chore(deps): bump release-drafter/release-drafter from 6.2.0 to 7.1.1

Bumps [release-drafter/release-drafter](https://github.com/release-drafter/release-drafter) from 6.2.0 to 7.1.1.
- [Release notes](https://github.com/release-drafter/release-drafter/releases)
- [Commits](6db134d15f...139054aeaa)

---
updated-dependencies:
- dependency-name: release-drafter/release-drafter
  dependency-version: 7.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release-drafter.yml

@@ -19,6 +19,6 @@ jobs:
       pull-requests: read
     steps:
       - name: 🚀 Run Release Drafter
-        uses: release-drafter/release-drafter@6db134d15f3909ccc9eefd369f02bd1e9cffdf97 # v6.2.0
+        uses: release-drafter/release-drafter@139054aeaa9adc52ab36ddf67437541f039b88e2 # v7.1.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -164,10 +164,22 @@ jobs:
       - name: Latest version gets installed
         run: |
           LATEST_VERSION=$(gh api -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" /repos/astral-sh/uv/releases/latest | jq -r '.tag_name')
+          UV_VERSION_OUTPUT=$(uv --version)
+
+          if [[ ! "$UV_VERSION_OUTPUT" =~ ^uv[[:space:]]+([^[:space:]]+) ]]; then
+            echo "Could not parse uv version from: $UV_VERSION_OUTPUT"
+            exit 1
+          fi
+
+          UV_VERSION="${BASH_REMATCH[1]}"
+
           echo "Latest version is $LATEST_VERSION"
-          if [ "$(uv --version)" != "uv $LATEST_VERSION" ]; then
+          echo "uv --version output is $UV_VERSION_OUTPUT"
-              echo "Wrong uv version: $(uv --version)"
+          echo "Parsed uv version is $UV_VERSION"
-              exit 1
+
+          if [ "$UV_VERSION" != "$LATEST_VERSION" ]; then
+            echo "Wrong uv version: $UV_VERSION_OUTPUT"
+            exit 1
           fi
         env:
           GH_TOKEN: ${{ github.token }}
@@ -796,12 +808,12 @@ jobs:
       - name: Install from custom manifest file
         uses: ./
         with:
-          manifest-file: "https://raw.githubusercontent.com/astral-sh/setup-uv/${{ github.ref }}/__tests__/download/custom-manifest.json"
+          manifest-file: "https://raw.githubusercontent.com/astral-sh/setup-uv/${{ github.ref }}/__tests__/download/custom-manifest.ndjson"
       - run: uv sync
         working-directory: __tests__/fixtures/uv-project
       - name: Correct version gets installed
         run: |
-          if [ "$(uv --version)" != "uv 0.7.12-alpha.1" ]; then
+          if [ "$(uv --version)" != "uv 0.9.26" ]; then
             echo "Wrong uv version: $(uv --version)"
             exit 1
           fi

README.md

@@ -114,7 +114,7 @@ Have a look under [Advanced Configuration](#advanced-configuration) for detailed
     # Custom path to set UV_TOOL_BIN_DIR to
     tool-bin-dir: ""
 
-    # URL to a custom manifest file (NDJSON preferred, legacy JSON array is deprecated)
+    # URL to a custom manifest file in the astral-sh/versions format
     manifest-file: ""
 
     # Add problem matchers
@@ -190,8 +190,8 @@ For more advanced configuration options, see our detailed documentation:
 
 ## How it works
 
-By default, this action resolves uv versions from
+By default, this action resolves uv versions from the
-[`astral-sh/versions`](https://github.com/astral-sh/versions) (NDJSON) and downloads uv from the
+[`astral-sh/versions`](https://github.com/astral-sh/versions) manifest and downloads uv from the
 official [GitHub Releases](https://github.com/astral-sh/uv).
 
 It then uses the [GitHub Actions Toolkit](https://github.com/actions/toolkit) to cache uv as a

__tests__/download/custom-manifest.json

@@ -1,9 +0,0 @@
-[
-  {
-    "arch": "x86_64",
-    "artifactName": "uv-x86_64-unknown-linux-gnu.tar.gz",
-    "downloadUrl": "https://release.pyx.dev/0.7.12-alpha.1/uv-x86_64-unknown-linux-gnu.tar.gz",
-    "platform": "unknown-linux-gnu",
-    "version": "0.7.12-alpha.1"
-  }
-]

__tests__/download/custom-manifest.ndjson

@@ -0,0 +1 @@
+{"version":"0.9.26","artifacts":[{"platform":"x86_64-unknown-linux-gnu","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-unknown-linux-gnu.tar.gz","archive_format":"tar.gz","sha256":"30ccbf0a66dc8727a02b0e245c583ee970bdafecf3a443c1686e1b30ec4939e8"}]}

__tests__/download/download-version.test.ts

@@ -32,29 +32,16 @@ jest.unstable_mockModule("@actions/tool-cache", () => ({
 }));
 
 // biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
-const mockGetLatestVersionFromNdjson = jest.fn<any>();
+const mockGetLatestVersion = jest.fn<any>();
 // biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
-const mockGetAllVersionsFromNdjson = jest.fn<any>();
+const mockGetAllVersions = jest.fn<any>();
 // biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
-const mockGetArtifactFromNdjson = jest.fn<any>();
+const mockGetArtifact = jest.fn<any>();
 
-jest.unstable_mockModule("../../src/download/versions-client", () => ({
+jest.unstable_mockModule("../../src/download/manifest", () => ({
-  getAllVersions: mockGetAllVersionsFromNdjson,
+  getAllVersions: mockGetAllVersions,
-  getArtifact: mockGetArtifactFromNdjson,
+  getArtifact: mockGetArtifact,
-  getLatestVersion: mockGetLatestVersionFromNdjson,
+  getLatestVersion: mockGetLatestVersion,
-}));
-
-// biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
-const mockGetAllManifestVersions = jest.fn<any>();
-// biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
-const mockGetLatestVersionInManifest = jest.fn<any>();
-// biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
-const mockGetManifestArtifact = jest.fn<any>();
-
-jest.unstable_mockModule("../../src/download/version-manifest", () => ({
-  getAllVersions: mockGetAllManifestVersions,
-  getLatestKnownVersion: mockGetLatestVersionInManifest,
-  getManifestArtifact: mockGetManifestArtifact,
 }));
 
 // biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
@@ -64,12 +51,9 @@ jest.unstable_mockModule("../../src/download/checksum/checksum", () => ({
   validateChecksum: mockValidateChecksum,
 }));
 
-const {
+const { downloadVersion, resolveVersion, rewriteToMirror } = await import(
-  downloadVersionFromManifest,
+  "../../src/download/download-version"
-  downloadVersionFromNdjson,
+);
-  resolveVersion,
-  rewriteToMirror,
-} = await import("../../src/download/download-version");
 
 describe("download-version", () => {
   beforeEach(() => {
@@ -79,12 +63,9 @@ describe("download-version", () => {
     mockExtractTar.mockReset();
     mockExtractZip.mockReset();
     mockCacheDir.mockReset();
-    mockGetLatestVersionFromNdjson.mockReset();
+    mockGetLatestVersion.mockReset();
-    mockGetAllVersionsFromNdjson.mockReset();
+    mockGetAllVersions.mockReset();
-    mockGetArtifactFromNdjson.mockReset();
+    mockGetArtifact.mockReset();
-    mockGetAllManifestVersions.mockReset();
-    mockGetLatestVersionInManifest.mockReset();
-    mockGetManifestArtifact.mockReset();
     mockValidateChecksum.mockReset();
 
     mockDownloadTool.mockResolvedValue("/tmp/downloaded");
@@ -94,36 +75,28 @@ describe("download-version", () => {
   });
 
   describe("resolveVersion", () => {
-    it("uses astral-sh/versions to resolve latest", async () => {
+    it("uses the default manifest to resolve latest", async () => {
-      mockGetLatestVersionFromNdjson.mockResolvedValue("0.9.26");
+      mockGetLatestVersion.mockResolvedValue("0.9.26");
 
       const version = await resolveVersion("latest", undefined);
 
       expect(version).toBe("0.9.26");
-      expect(mockGetLatestVersionFromNdjson).toHaveBeenCalledTimes(1);
+      expect(mockGetLatestVersion).toHaveBeenCalledTimes(1);
+      expect(mockGetLatestVersion).toHaveBeenCalledWith(undefined);
     });
 
-    it("uses astral-sh/versions to resolve available versions", async () => {
+    it("uses the default manifest to resolve available versions", async () => {
-      mockGetAllVersionsFromNdjson.mockResolvedValue(["0.9.26", "0.9.25"]);
+      mockGetAllVersions.mockResolvedValue(["0.9.26", "0.9.25"]);
 
       const version = await resolveVersion("^0.9.0", undefined);
 
       expect(version).toBe("0.9.26");
-      expect(mockGetAllVersionsFromNdjson).toHaveBeenCalledTimes(1);
+      expect(mockGetAllVersions).toHaveBeenCalledTimes(1);
-    });
+      expect(mockGetAllVersions).toHaveBeenCalledWith(undefined);
-
-    it("does not fall back when astral-sh/versions fails", async () => {
-      mockGetLatestVersionFromNdjson.mockRejectedValue(
-        new Error("NDJSON unavailable"),
-      );
-
-      await expect(resolveVersion("latest", undefined)).rejects.toThrow(
-        "NDJSON unavailable",
-      );
     });
 
     it("uses manifest-file when provided", async () => {
-      mockGetAllManifestVersions.mockResolvedValue(["0.9.26", "0.9.25"]);
+      mockGetAllVersions.mockResolvedValue(["0.9.26", "0.9.25"]);
 
       const version = await resolveVersion(
         "^0.9.0",
@@ -131,37 +104,35 @@ describe("download-version", () => {
       );
 
       expect(version).toBe("0.9.26");
-      expect(mockGetAllManifestVersions).toHaveBeenCalledWith(
+      expect(mockGetAllVersions).toHaveBeenCalledWith(
         "https://example.com/custom.ndjson",
       );
     });
   });
 
-  describe("downloadVersionFromNdjson", () => {
+  describe("downloadVersion", () => {
-    it("fails when NDJSON metadata lookup fails", async () => {
+    it("fails when manifest lookup fails", async () => {
-      mockGetArtifactFromNdjson.mockRejectedValue(
+      mockGetArtifact.mockRejectedValue(new Error("manifest unavailable"));
-        new Error("NDJSON unavailable"),
-      );
 
       await expect(
-        downloadVersionFromNdjson(
+        downloadVersion(
           "unknown-linux-gnu",
           "x86_64",
           "0.9.26",
           undefined,
           "token",
         ),
-      ).rejects.toThrow("NDJSON unavailable");
+      ).rejects.toThrow("manifest unavailable");
 
       expect(mockDownloadTool).not.toHaveBeenCalled();
       expect(mockValidateChecksum).not.toHaveBeenCalled();
     });
 
-    it("fails when no matching artifact exists in NDJSON metadata", async () => {
+    it("fails when no matching artifact exists in the default manifest", async () => {
-      mockGetArtifactFromNdjson.mockResolvedValue(undefined);
+      mockGetArtifact.mockResolvedValue(undefined);
 
       await expect(
-        downloadVersionFromNdjson(
+        downloadVersion(
           "unknown-linux-gnu",
           "x86_64",
           "0.9.26",
@@ -176,14 +147,14 @@ describe("download-version", () => {
       expect(mockValidateChecksum).not.toHaveBeenCalled();
     });
 
-    it("uses built-in checksums for default NDJSON downloads", async () => {
+    it("uses built-in checksums for default manifest downloads", async () => {
-      mockGetArtifactFromNdjson.mockResolvedValue({
+      mockGetArtifact.mockResolvedValue({
         archiveFormat: "tar.gz",
-        sha256: "ndjson-checksum-that-should-be-ignored",
+        checksum: "manifest-checksum-that-should-be-ignored",
-        url: "https://example.com/uv.tar.gz",
+        downloadUrl: "https://example.com/uv.tar.gz",
       });
 
-      await downloadVersionFromNdjson(
+      await downloadVersion(
         "unknown-linux-gnu",
         "x86_64",
         "0.9.26",
@@ -201,13 +172,14 @@ describe("download-version", () => {
     });
 
     it("rewrites GitHub Releases URLs to the Astral mirror", async () => {
-      mockGetArtifactFromNdjson.mockResolvedValue({
+      mockGetArtifact.mockResolvedValue({
         archiveFormat: "tar.gz",
-        sha256: "abc123",
+        checksum: "abc123",
-        url: "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-unknown-linux-gnu.tar.gz",
+        downloadUrl:
+          "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-unknown-linux-gnu.tar.gz",
       });
 
-      await downloadVersionFromNdjson(
+      await downloadVersion(
         "unknown-linux-gnu",
         "x86_64",
         "0.9.26",
@@ -223,13 +195,13 @@ describe("download-version", () => {
     });
 
     it("does not rewrite non-GitHub URLs", async () => {
-      mockGetArtifactFromNdjson.mockResolvedValue({
+      mockGetArtifact.mockResolvedValue({
         archiveFormat: "tar.gz",
-        sha256: "abc123",
+        checksum: "abc123",
-        url: "https://example.com/uv.tar.gz",
+        downloadUrl: "https://example.com/uv.tar.gz",
       });
 
-      await downloadVersionFromNdjson(
+      await downloadVersion(
         "unknown-linux-gnu",
         "x86_64",
         "0.9.26",
@@ -245,17 +217,18 @@ describe("download-version", () => {
     });
 
     it("falls back to GitHub Releases when the mirror fails", async () => {
-      mockGetArtifactFromNdjson.mockResolvedValue({
+      mockGetArtifact.mockResolvedValue({
         archiveFormat: "tar.gz",
-        sha256: "abc123",
+        checksum: "abc123",
-        url: "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-unknown-linux-gnu.tar.gz",
+        downloadUrl:
+          "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-unknown-linux-gnu.tar.gz",
       });
 
       mockDownloadTool
         .mockRejectedValueOnce(new Error("mirror unavailable"))
         .mockResolvedValueOnce("/tmp/downloaded");
 
-      await downloadVersionFromNdjson(
+      await downloadVersion(
         "unknown-linux-gnu",
         "x86_64",
         "0.9.26",
@@ -264,14 +237,12 @@ describe("download-version", () => {
       );
 
       expect(mockDownloadTool).toHaveBeenCalledTimes(2);
-      // Mirror request: no token
       expect(mockDownloadTool).toHaveBeenNthCalledWith(
         1,
         "https://releases.astral.sh/github/uv/releases/download/0.9.26/uv-x86_64-unknown-linux-gnu.tar.gz",
         undefined,
         undefined,
       );
-      // GitHub fallback: token restored
       expect(mockDownloadTool).toHaveBeenNthCalledWith(
         2,
         "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-unknown-linux-gnu.tar.gz",
@@ -284,16 +255,16 @@ describe("download-version", () => {
     });
 
     it("does not fall back for non-GitHub URLs", async () => {
-      mockGetArtifactFromNdjson.mockResolvedValue({
+      mockGetArtifact.mockResolvedValue({
         archiveFormat: "tar.gz",
-        sha256: "abc123",
+        checksum: "abc123",
-        url: "https://example.com/uv.tar.gz",
+        downloadUrl: "https://example.com/uv.tar.gz",
       });
 
       mockDownloadTool.mockRejectedValue(new Error("download failed"));
 
       await expect(
-        downloadVersionFromNdjson(
+        downloadVersion(
           "unknown-linux-gnu",
           "x86_64",
           "0.9.26",
@@ -304,6 +275,56 @@ describe("download-version", () => {
 
       expect(mockDownloadTool).toHaveBeenCalledTimes(1);
     });
+
+    it("uses manifest-file checksum metadata when checksum input is unset", async () => {
+      mockGetArtifact.mockResolvedValue({
+        archiveFormat: "tar.gz",
+        checksum: "manifest-checksum",
+        downloadUrl: "https://example.com/custom-uv.tar.gz",
+      });
+
+      await downloadVersion(
+        "unknown-linux-gnu",
+        "x86_64",
+        "0.9.26",
+        "",
+        "token",
+        "https://example.com/custom.ndjson",
+      );
+
+      expect(mockValidateChecksum).toHaveBeenCalledWith(
+        "manifest-checksum",
+        "/tmp/downloaded",
+        "x86_64",
+        "unknown-linux-gnu",
+        "0.9.26",
+      );
+    });
+
+    it("prefers checksum input over manifest-file checksum metadata", async () => {
+      mockGetArtifact.mockResolvedValue({
+        archiveFormat: "tar.gz",
+        checksum: "manifest-checksum",
+        downloadUrl: "https://example.com/custom-uv.tar.gz",
+      });
+
+      await downloadVersion(
+        "unknown-linux-gnu",
+        "x86_64",
+        "0.9.26",
+        "user-checksum",
+        "token",
+        "https://example.com/custom.ndjson",
+      );
+
+      expect(mockValidateChecksum).toHaveBeenCalledWith(
+        "user-checksum",
+        "/tmp/downloaded",
+        "x86_64",
+        "unknown-linux-gnu",
+        "0.9.26",
+      );
+    });
   });
 
   describe("rewriteToMirror", () => {
@@ -329,56 +350,4 @@ describe("download-version", () => {
       ).toBeUndefined();
     });
   });
-
-  describe("downloadVersionFromManifest", () => {
-    it("uses manifest-file checksum metadata when checksum input is unset", async () => {
-      mockGetManifestArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "manifest-checksum",
-        downloadUrl: "https://example.com/custom-uv.tar.gz",
-      });
-
-      await downloadVersionFromManifest(
-        "https://example.com/custom.ndjson",
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.9.26",
-        "",
-        "token",
-      );
-
-      expect(mockValidateChecksum).toHaveBeenCalledWith(
-        "manifest-checksum",
-        "/tmp/downloaded",
-        "x86_64",
-        "unknown-linux-gnu",
-        "0.9.26",
-      );
-    });
-
-    it("prefers checksum input over manifest-file checksum metadata", async () => {
-      mockGetManifestArtifact.mockResolvedValue({
-        archiveFormat: "tar.gz",
-        checksum: "manifest-checksum",
-        downloadUrl: "https://example.com/custom-uv.tar.gz",
-      });
-
-      await downloadVersionFromManifest(
-        "https://example.com/custom.ndjson",
-        "unknown-linux-gnu",
-        "x86_64",
-        "0.9.26",
-        "user-checksum",
-        "token",
-      );
-
-      expect(mockValidateChecksum).toHaveBeenCalledWith(
-        "user-checksum",
-        "/tmp/downloaded",
-        "x86_64",
-        "unknown-linux-gnu",
-        "0.9.26",
-      );
-    });
-  });
 });

__tests__/download/manifest.test.ts

@@ -0,0 +1,168 @@
+import { beforeEach, describe, expect, it, jest } from "@jest/globals";
+
+// biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
+const mockFetch = jest.fn<any>();
+
+jest.unstable_mockModule("@actions/core", () => ({
+  debug: jest.fn(),
+  info: jest.fn(),
+}));
+
+jest.unstable_mockModule("../../src/utils/fetch", () => ({
+  fetch: mockFetch,
+}));
+
+const {
+  clearManifestCache,
+  fetchManifest,
+  getAllVersions,
+  getArtifact,
+  getLatestVersion,
+  parseManifest,
+} = await import("../../src/download/manifest");
+
+const sampleManifestResponse = `{"version":"0.9.25","artifacts":[{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.25/uv-aarch64-apple-darwin.tar.gz","archive_format":"tar.gz","sha256":"606b3c6949d971709f2526fa0d9f0fd23ccf60e09f117999b406b424af18a6a6"}]}
+{"version":"0.9.26","artifacts":[{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin.tar.gz","archive_format":"tar.gz","sha256":"fcf0a9ea6599c6ae28a4c854ac6da76f2c889354d7c36ce136ef071f7ab9721f"},{"platform":"x86_64-pc-windows-msvc","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-pc-windows-msvc.zip","archive_format":"zip","sha256":"eb02fd95d8e0eed462b4a67ecdd320d865b38c560bffcda9a0b87ec944bdf036"}]}`;
+
+const multiVariantManifestResponse = `{"version":"0.9.26","artifacts":[{"platform":"aarch64-apple-darwin","variant":"python-managed","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin-managed.tar.gz","archive_format":"tar.gz","sha256":"managed-checksum"},{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin.zip","archive_format":"zip","sha256":"default-checksum"}]}`;
+
+function createMockResponse(
+  ok: boolean,
+  status: number,
+  statusText: string,
+  data: string,
+) {
+  return {
+    ok,
+    status,
+    statusText,
+    text: async () => data,
+  };
+}
+
+describe("manifest", () => {
+  beforeEach(() => {
+    clearManifestCache();
+    mockFetch.mockReset();
+  });
+
+  describe("fetchManifest", () => {
+    it("fetches and parses manifest data", async () => {
+      mockFetch.mockResolvedValue(
+        createMockResponse(true, 200, "OK", sampleManifestResponse),
+      );
+
+      const versions = await fetchManifest();
+
+      expect(versions).toHaveLength(2);
+      expect(versions[0]?.version).toBe("0.9.25");
+      expect(versions[1]?.version).toBe("0.9.26");
+    });
+
+    it("throws on a failed fetch", async () => {
+      mockFetch.mockResolvedValue(
+        createMockResponse(false, 500, "Internal Server Error", ""),
+      );
+
+      await expect(fetchManifest()).rejects.toThrow(
+        "Failed to fetch manifest data: 500 Internal Server Error",
+      );
+    });
+
+    it("caches results per URL", async () => {
+      mockFetch.mockResolvedValue(
+        createMockResponse(true, 200, "OK", sampleManifestResponse),
+      );
+
+      await fetchManifest("https://example.com/custom.ndjson");
+      await fetchManifest("https://example.com/custom.ndjson");
+
+      expect(mockFetch).toHaveBeenCalledTimes(1);
+    });
+  });
+
+  describe("getAllVersions", () => {
+    it("returns all version strings", async () => {
+      mockFetch.mockResolvedValue(
+        createMockResponse(true, 200, "OK", sampleManifestResponse),
+      );
+
+      const versions = await getAllVersions(
+        "https://example.com/custom.ndjson",
+      );
+
+      expect(versions).toEqual(["0.9.25", "0.9.26"]);
+    });
+  });
+
+  describe("getArtifact", () => {
+    beforeEach(() => {
+      mockFetch.mockResolvedValue(
+        createMockResponse(true, 200, "OK", sampleManifestResponse),
+      );
+    });
+
+    it("finds an artifact by version and platform", async () => {
+      const artifact = await getArtifact("0.9.26", "aarch64", "apple-darwin");
+
+      expect(artifact).toEqual({
+        archiveFormat: "tar.gz",
+        checksum:
+          "fcf0a9ea6599c6ae28a4c854ac6da76f2c889354d7c36ce136ef071f7ab9721f",
+        downloadUrl:
+          "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin.tar.gz",
+      });
+    });
+
+    it("finds a windows artifact", async () => {
+      const artifact = await getArtifact("0.9.26", "x86_64", "pc-windows-msvc");
+
+      expect(artifact).toEqual({
+        archiveFormat: "zip",
+        checksum:
+          "eb02fd95d8e0eed462b4a67ecdd320d865b38c560bffcda9a0b87ec944bdf036",
+        downloadUrl:
+          "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-pc-windows-msvc.zip",
+      });
+    });
+
+    it("prefers the default variant when multiple artifacts share a platform", async () => {
+      mockFetch.mockResolvedValue(
+        createMockResponse(true, 200, "OK", multiVariantManifestResponse),
+      );
+
+      const artifact = await getArtifact("0.9.26", "aarch64", "apple-darwin");
+
+      expect(artifact).toEqual({
+        archiveFormat: "zip",
+        checksum: "default-checksum",
+        downloadUrl:
+          "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin.zip",
+      });
+    });
+
+    it("returns undefined for an unknown version", async () => {
+      const artifact = await getArtifact("0.0.1", "aarch64", "apple-darwin");
+
+      expect(artifact).toBeUndefined();
+    });
+
+    it("returns undefined for an unknown platform", async () => {
+      const artifact = await getArtifact(
+        "0.9.26",
+        "aarch64",
+        "unknown-linux-musl",
+      );
+
+      expect(artifact).toBeUndefined();
+    });
+  });
+
+  describe("parseManifest", () => {
+    it("throws for malformed manifest data", () => {
+      expect(() => parseManifest('{"version":"0.1.0"', "test-source")).toThrow(
+        "Failed to parse manifest data from test-source",
+      );
+    });
+  });
+});

__tests__/download/version-manifest.test.ts

@@ -1,136 +0,0 @@
-import { beforeEach, describe, expect, it, jest } from "@jest/globals";
-
-const mockWarning = jest.fn();
-
-jest.unstable_mockModule("@actions/core", () => ({
-  debug: jest.fn(),
-  info: jest.fn(),
-  warning: mockWarning,
-}));
-
-// biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
-const mockFetch = jest.fn<any>();
-jest.unstable_mockModule("../../src/utils/fetch", () => ({
-  fetch: mockFetch,
-}));
-
-const {
-  clearManifestCache,
-  getAllVersions,
-  getLatestKnownVersion,
-  getManifestArtifact,
-} = await import("../../src/download/version-manifest");
-
-const legacyManifestResponse = JSON.stringify([
-  {
-    arch: "x86_64",
-    artifactName: "uv-x86_64-unknown-linux-gnu.tar.gz",
-    downloadUrl:
-      "https://example.com/releases/download/0.7.12-alpha.1/uv-x86_64-unknown-linux-gnu.tar.gz",
-    platform: "unknown-linux-gnu",
-    version: "0.7.12-alpha.1",
-  },
-  {
-    arch: "x86_64",
-    artifactName: "uv-x86_64-unknown-linux-gnu.tar.gz",
-    downloadUrl:
-      "https://example.com/releases/download/0.7.13/uv-x86_64-unknown-linux-gnu.tar.gz",
-    platform: "unknown-linux-gnu",
-    version: "0.7.13",
-  },
-]);
-
-const ndjsonManifestResponse = `{"version":"0.10.0","artifacts":[{"platform":"x86_64-unknown-linux-gnu","variant":"default","url":"https://example.com/releases/download/0.10.0/uv-x86_64-unknown-linux-gnu.tar.gz","archive_format":"tar.gz","sha256":"checksum-100"}]}
-{"version":"0.9.30","artifacts":[{"platform":"x86_64-unknown-linux-gnu","variant":"default","url":"https://example.com/releases/download/0.9.30/uv-x86_64-unknown-linux-gnu.tar.gz","archive_format":"tar.gz","sha256":"checksum-0930"}]}`;
-
-const multiVariantManifestResponse = `{"version":"0.10.0","artifacts":[{"platform":"x86_64-unknown-linux-gnu","variant":"managed-python","url":"https://example.com/releases/download/0.10.0/uv-x86_64-unknown-linux-gnu-managed-python.tar.gz","archive_format":"tar.gz","sha256":"checksum-managed"},{"platform":"x86_64-unknown-linux-gnu","variant":"default","url":"https://example.com/releases/download/0.10.0/uv-x86_64-unknown-linux-gnu-default.zip","archive_format":"zip","sha256":"checksum-default"}]}`;
-
-function createMockResponse(
-  ok: boolean,
-  status: number,
-  statusText: string,
-  data: string,
-) {
-  return {
-    ok,
-    status,
-    statusText,
-    text: async () => data,
-  };
-}
-
-describe("version-manifest", () => {
-  beforeEach(() => {
-    clearManifestCache();
-    mockFetch.mockReset();
-    mockWarning.mockReset();
-  });
-
-  it("supports the legacy JSON manifest format", async () => {
-    mockFetch.mockResolvedValue(
-      createMockResponse(true, 200, "OK", legacyManifestResponse),
-    );
-
-    const latest = await getLatestKnownVersion(
-      "https://example.com/legacy.json",
-    );
-    const artifact = await getManifestArtifact(
-      "https://example.com/legacy.json",
-      "0.7.13",
-      "x86_64",
-      "unknown-linux-gnu",
-    );
-
-    expect(latest).toBe("0.7.13");
-    expect(artifact).toEqual({
-      archiveFormat: undefined,
-      checksum: undefined,
-      downloadUrl:
-        "https://example.com/releases/download/0.7.13/uv-x86_64-unknown-linux-gnu.tar.gz",
-    });
-    expect(mockWarning).toHaveBeenCalledTimes(1);
-  });
-
-  it("supports NDJSON manifests", async () => {
-    mockFetch.mockResolvedValue(
-      createMockResponse(true, 200, "OK", ndjsonManifestResponse),
-    );
-
-    const versions = await getAllVersions("https://example.com/custom.ndjson");
-    const artifact = await getManifestArtifact(
-      "https://example.com/custom.ndjson",
-      "0.10.0",
-      "x86_64",
-      "unknown-linux-gnu",
-    );
-
-    expect(versions).toEqual(["0.10.0", "0.9.30"]);
-    expect(artifact).toEqual({
-      archiveFormat: "tar.gz",
-      checksum: "checksum-100",
-      downloadUrl:
-        "https://example.com/releases/download/0.10.0/uv-x86_64-unknown-linux-gnu.tar.gz",
-    });
-    expect(mockWarning).not.toHaveBeenCalled();
-  });
-
-  it("prefers the default variant when a manifest contains multiple variants", async () => {
-    mockFetch.mockResolvedValue(
-      createMockResponse(true, 200, "OK", multiVariantManifestResponse),
-    );
-
-    const artifact = await getManifestArtifact(
-      "https://example.com/multi-variant.ndjson",
-      "0.10.0",
-      "x86_64",
-      "unknown-linux-gnu",
-    );
-
-    expect(artifact).toEqual({
-      archiveFormat: "zip",
-      checksum: "checksum-default",
-      downloadUrl:
-        "https://example.com/releases/download/0.10.0/uv-x86_64-unknown-linux-gnu-default.zip",
-    });
-  });
-});

__tests__/download/versions-client.test.ts

@@ -1,170 +0,0 @@
-import { beforeEach, describe, expect, it, jest } from "@jest/globals";
-
-// biome-ignore lint/suspicious/noExplicitAny: Mock requires flexible typing in tests.
-const mockFetch = jest.fn<any>();
-
-jest.unstable_mockModule("../../src/utils/fetch", () => ({
-  fetch: mockFetch,
-}));
-
-const {
-  clearCache,
-  fetchVersionData,
-  getAllVersions,
-  getArtifact,
-  getLatestVersion,
-  parseVersionData,
-} = await import("../../src/download/versions-client");
-
-const sampleNdjsonResponse = `{"version":"0.9.26","artifacts":[{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin.tar.gz","archive_format":"tar.gz","sha256":"fcf0a9ea6599c6ae28a4c854ac6da76f2c889354d7c36ce136ef071f7ab9721f"},{"platform":"x86_64-pc-windows-msvc","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-pc-windows-msvc.zip","archive_format":"zip","sha256":"eb02fd95d8e0eed462b4a67ecdd320d865b38c560bffcda9a0b87ec944bdf036"}]}
-{"version":"0.9.25","artifacts":[{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.25/uv-aarch64-apple-darwin.tar.gz","archive_format":"tar.gz","sha256":"606b3c6949d971709f2526fa0d9f0fd23ccf60e09f117999b406b424af18a6a6"}]}`;
-
-const multiVariantNdjsonResponse = `{"version":"0.9.26","artifacts":[{"platform":"aarch64-apple-darwin","variant":"python-managed","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin-managed.tar.gz","archive_format":"tar.gz","sha256":"managed-checksum"},{"platform":"aarch64-apple-darwin","variant":"default","url":"https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin.zip","archive_format":"zip","sha256":"default-checksum"}]}`;
-
-function createMockResponse(
-  ok: boolean,
-  status: number,
-  statusText: string,
-  data: string,
-) {
-  return {
-    ok,
-    status,
-    statusText,
-    text: async () => data,
-  };
-}
-
-describe("versions-client", () => {
-  beforeEach(() => {
-    clearCache();
-    mockFetch.mockReset();
-  });
-
-  describe("fetchVersionData", () => {
-    it("should fetch and parse NDJSON data", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleNdjsonResponse),
-      );
-
-      const versions = await fetchVersionData();
-
-      expect(versions).toHaveLength(2);
-      expect(versions[0].version).toBe("0.9.26");
-      expect(versions[1].version).toBe("0.9.25");
-    });
-
-    it("should throw error on failed fetch", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(false, 500, "Internal Server Error", ""),
-      );
-
-      await expect(fetchVersionData()).rejects.toThrow(
-        "Failed to fetch version data: 500 Internal Server Error",
-      );
-    });
-
-    it("should cache results", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleNdjsonResponse),
-      );
-
-      await fetchVersionData();
-      await fetchVersionData();
-
-      expect(mockFetch).toHaveBeenCalledTimes(1);
-    });
-  });
-
-  describe("getLatestVersion", () => {
-    it("should return the first version (newest)", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleNdjsonResponse),
-      );
-
-      const latest = await getLatestVersion();
-
-      expect(latest).toBe("0.9.26");
-    });
-  });
-
-  describe("getAllVersions", () => {
-    it("should return all version strings", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleNdjsonResponse),
-      );
-
-      const versions = await getAllVersions();
-
-      expect(versions).toEqual(["0.9.26", "0.9.25"]);
-    });
-  });
-
-  describe("getArtifact", () => {
-    beforeEach(() => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", sampleNdjsonResponse),
-      );
-    });
-
-    it("should find artifact by version and platform", async () => {
-      const artifact = await getArtifact("0.9.26", "aarch64", "apple-darwin");
-
-      expect(artifact).toEqual({
-        archiveFormat: "tar.gz",
-        sha256:
-          "fcf0a9ea6599c6ae28a4c854ac6da76f2c889354d7c36ce136ef071f7ab9721f",
-        url: "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin.tar.gz",
-      });
-    });
-
-    it("should find windows artifact", async () => {
-      const artifact = await getArtifact("0.9.26", "x86_64", "pc-windows-msvc");
-
-      expect(artifact).toEqual({
-        archiveFormat: "zip",
-        sha256:
-          "eb02fd95d8e0eed462b4a67ecdd320d865b38c560bffcda9a0b87ec944bdf036",
-        url: "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-x86_64-pc-windows-msvc.zip",
-      });
-    });
-
-    it("should prefer the default variant when multiple artifacts share a platform", async () => {
-      mockFetch.mockResolvedValue(
-        createMockResponse(true, 200, "OK", multiVariantNdjsonResponse),
-      );
-
-      const artifact = await getArtifact("0.9.26", "aarch64", "apple-darwin");
-
-      expect(artifact).toEqual({
-        archiveFormat: "zip",
-        sha256: "default-checksum",
-        url: "https://github.com/astral-sh/uv/releases/download/0.9.26/uv-aarch64-apple-darwin.zip",
-      });
-    });
-
-    it("should return undefined for unknown version", async () => {
-      const artifact = await getArtifact("0.0.1", "aarch64", "apple-darwin");
-
-      expect(artifact).toBeUndefined();
-    });
-
-    it("should return undefined for unknown platform", async () => {
-      const artifact = await getArtifact(
-        "0.9.26",
-        "aarch64",
-        "unknown-linux-musl",
-      );
-
-      expect(artifact).toBeUndefined();
-    });
-  });
-
-  describe("parseVersionData", () => {
-    it("should throw for malformed NDJSON", () => {
-      expect(() =>
-        parseVersionData('{"version":"0.1.0"', "test-source"),
-      ).toThrow("Failed to parse version data from test-source");
-    });
-  });
-});

action.yml

@@ -75,7 +75,7 @@ inputs:
     description: "Custom path to set UV_TOOL_BIN_DIR to."
     required: false
   manifest-file:
-    description: "URL to a custom manifest file. Supports the astral-sh/versions NDJSON format and the legacy JSON array format (deprecated)."
+    description: "URL to a custom manifest file in the astral-sh/versions format."
     required: false
   add-problem-matchers:
     description: "Add problem matchers."

dist/setup/index.cjs

@@ -91886,7 +91886,7 @@ var semver5 = __toESM(require_semver5(), 1);
 var TOOL_CACHE_NAME = "uv";
 var STATE_UV_PATH = "uv-path";
 var STATE_UV_VERSION = "uv-version";
-var VERSIONS_NDJSON_URL = "https://raw.githubusercontent.com/astral-sh/versions/main/v1/uv.ndjson";
+var VERSIONS_MANIFEST_URL = "https://raw.githubusercontent.com/astral-sh/versions/main/v1/uv.ndjson";
 var GITHUB_RELEASES_PREFIX = "https://github.com/astral-sh/uv/releases/download/";
 var ASTRAL_MIRROR_PREFIX = "https://releases.astral.sh/github/uv/releases/download/";
 
@@ -91896,6 +91896,75 @@ var fs11 = __toESM(require("node:fs"), 1);
 
 // src/download/checksum/known-checksums.ts
 var KNOWN_CHECKSUMS = {
+  "aarch64-apple-darwin-0.11.1": "f7815f739ed5d0e4202e6292acedb8659b9ae7de663d07188d8c6cbd7f96303f",
+  "aarch64-pc-windows-msvc-0.11.1": "b789db0c1504dd3b02c090bd5783487497cc46cc2eb71754874cdd1ef59eb52a",
+  "aarch64-unknown-linux-gnu-0.11.1": "1340e62da1ee3c1109764340e1247e8a1a232c30dde4a0f0548976dcaa90f06d",
+  "aarch64-unknown-linux-musl-0.11.1": "bd04ffce77ee8d77f39823c13606183581847c2f5dcd704f2ea0f15e376b1a27",
+  "arm-unknown-linux-musleabihf-0.11.1": "625c0e756e2374fce864ceaa6beedd5821e276e2b6307f2b719f2d62b449b89c",
+  "armv7-unknown-linux-gnueabihf-0.11.1": "baf8daaab20b0502d1853dbfd916afb0762c024ae7f0df1c2deb2a1a1c1c3467",
+  "armv7-unknown-linux-musleabihf-0.11.1": "684c25b74e83bcb1b177152379cfe2c974ba731aa5af278e1d161e41709f8bcf",
+  "i686-pc-windows-msvc-0.11.1": "3c07858a08c54e4e5753239354c7b07ae69071b2b6f5aa2cc970e612adcb4740",
+  "i686-unknown-linux-gnu-0.11.1": "6e83167c05708570563b10b6cc7e8c289daef5f51fde0b152e41af2a7ef70813",
+  "i686-unknown-linux-musl-0.11.1": "b0d5152635c257fec76f95cb9268112b47ff70bd33a23866295a4f2ed9f46b7f",
+  "powerpc64le-unknown-linux-gnu-0.11.1": "e42d2abfac46f57564789e2bfa6dbea4ae3135892e36ae066ba0ae77b69bb676",
+  "riscv64gc-unknown-linux-gnu-0.11.1": "5e2c757b35dab015ad37f74ee3e060208390b5f4defb6684876f1be0664f3f6e",
+  "riscv64gc-unknown-linux-musl-0.11.1": "6f590a824aed363cbec4079f7ddab87b5685119e0f5f0e71cd114c7b7c326199",
+  "s390x-unknown-linux-gnu-0.11.1": "4208173c74e29572b799178709b5ed5828b24888659f944a4b47c0aaf78b42d2",
+  "x86_64-apple-darwin-0.11.1": "2103670e8e949605e51926c7b953923ff6f6befbfb55aee928f5e760c9c910f8",
+  "x86_64-pc-windows-msvc-0.11.1": "6659250cebbd3bb6ee48bcb21a3f0c6656450d63fb97f0f069bcb532bdb688ed",
+  "x86_64-unknown-linux-gnu-0.11.1": "7c0c8069053e6e99e5911ff32b916be571f3419cd8e11bd28fb7da2c7dcaa553",
+  "x86_64-unknown-linux-musl-0.11.1": "4e949471a95b37088a1ff1a585f69abed4d3cd3f921f50709a46b6ba62986d38",
+  "aarch64-apple-darwin-0.11.0": "0c0f32c6a3473c5928aff96c3233715edfc79290e892f255cac93710cde7b91a",
+  "aarch64-pc-windows-msvc-0.11.0": "95419e04a3ef5f13fb2a06bd6d787ba80a9d8981d6f097780e5a979817a2879d",
+  "aarch64-unknown-linux-gnu-0.11.0": "8e179ca110343a17f801444ff9ef117dba56ef5fc9f6a4c9bb77b318ddba5f24",
+  "aarch64-unknown-linux-musl-0.11.0": "658be4b8ec905635f1295468d4d5120d9e1ab1722eec9a104473ce993590babe",
+  "arm-unknown-linux-musleabihf-0.11.0": "bfdcbd5fa41c8a9877a72c2b55a95da2bc79933885ef56c699b65bb2ed9cea91",
+  "armv7-unknown-linux-gnueabihf-0.11.0": "0cad4e1b6769e48aa1e80cf639ddcc7c1bfe9ed017e95868fed185a8d818c949",
+  "armv7-unknown-linux-musleabihf-0.11.0": "2aa9da83c6c0cf8a06bc9df14d51056284fa067ef5390b4db79998ff12f3bee7",
+  "i686-pc-windows-msvc-0.11.0": "3b09d70e686087e096dbd8a2af21b922a2cac7d613dc053c3281c3ddbb961961",
+  "i686-unknown-linux-gnu-0.11.0": "59928a0267501c20d9f9942f5f1d81a991ec55e29a19e002ae3d5c178c674c89",
+  "i686-unknown-linux-musl-0.11.0": "1f438d6f6f851f0dabad3307ce7fd46541ecc5c42ebb664f382eb6c9a424a67d",
+  "powerpc64le-unknown-linux-gnu-0.11.0": "29f17fb43595492b1a36cda57df7adad74183132df32799d32897268ff4e26dd",
+  "riscv64gc-unknown-linux-gnu-0.11.0": "84ef37dda1003c5b65fa6c8f84242d35a7fcc84cc5ea9490d702edc36cad1f67",
+  "s390x-unknown-linux-gnu-0.11.0": "b25be62f3b642348a2fece5c658624586661b8d1103891ab6903768b0529edc4",
+  "x86_64-apple-darwin-0.11.0": "31aaec764166af8885cf99321fd6ed24fef80225a6f26ed1ae8ce04111688a7e",
+  "x86_64-pc-windows-msvc-0.11.0": "e21d00b172df83531564a95e75a2bdc0c59b471dbb3515f0c1b4d6ef657dc451",
+  "x86_64-unknown-linux-gnu-0.11.0": "cc0fbb42b3642125f600a55b0b095bea65cddaadb94c6ea2b6ba5d79c5825089",
+  "x86_64-unknown-linux-musl-0.11.0": "bf6b0757c73d1726faa2a819b155d4d864919a95766720215d78fdcd09d42d26",
+  "aarch64-apple-darwin-0.10.12": "ae738b5661a900579ec621d3918c0ef17bdec0da2a8a6d8b161137cd15f25414",
+  "aarch64-pc-windows-msvc-0.10.12": "e79881e2c4f98a0f3a37b8770bf224e8fee70f6dcf8fc17055d8291bb1b0b867",
+  "aarch64-unknown-linux-gnu-0.10.12": "0ed7d20f49f6b9b60d45fdfcac28f3ac01a671a6ef08672401ed2833423fea2a",
+  "aarch64-unknown-linux-musl-0.10.12": "55bd1c1c10ec8b95a8c184f5e18b566703c6ab105f0fc118aaa4d748aabf28e4",
+  "arm-unknown-linux-musleabihf-0.10.12": "9714e5059b05110a1c7ddbc18c971c13e0260e10551b7b77d82cbf907a4ebd9b",
+  "armv7-unknown-linux-gnueabihf-0.10.12": "eaa02f36d5112029601b18ac3d1a0c03a83bb20cb4154c2f5345f777fa6c4101",
+  "armv7-unknown-linux-musleabihf-0.10.12": "bd735652298c6e62cdd2ac939babe176a3356613e6803baa33d0bc10e8d9e4ed",
+  "i686-pc-windows-msvc-0.10.12": "2312e75b9c77befdc1bff30da18f16df03083452852952553bee91da362c1a1d",
+  "i686-unknown-linux-gnu-0.10.12": "8501844b34e3a28cfbba5a4b857eebd696d952e0bb4160357451ad80f3f49db8",
+  "i686-unknown-linux-musl-0.10.12": "56cad78abcf5b710d2f7b9f774fcfd6bbed340d2aa9d9fc9e3b515542ec5e953",
+  "powerpc64le-unknown-linux-gnu-0.10.12": "3c8017d9112221c83f43e8a15a58099663c0b2bdeabc8b43bb800413dfa21218",
+  "riscv64gc-unknown-linux-gnu-0.10.12": "b1ca482b6b5dd7bf6ab733a3695cb0ab5b8e992ca96527efae93aa78fcc52a9b",
+  "s390x-unknown-linux-gnu-0.10.12": "e1a0345eefe6fd3300948cd6f18aab092f9b88a243782113e645ce96530a6693",
+  "x86_64-apple-darwin-0.10.12": "17443e293f2ae407bb2d8d34b875ebfe0ae01cf1296de5647e69e7b2e2b428f0",
+  "x86_64-pc-windows-msvc-0.10.12": "4c1d55501869b3330d4aabf45ad6024ce2367e0f3af83344395702d272c22e88",
+  "x86_64-unknown-linux-gnu-0.10.12": "ec72570c9d1f33021aa80b176d7baba390de2cfeb1abcbefca346d563bf17484",
+  "x86_64-unknown-linux-musl-0.10.12": "adccf40b5d1939a5e0093081ec2307ea24235adf7c2d96b122c561fa37711c46",
+  "aarch64-apple-darwin-0.10.11": "437a7d498dd6564d5bf986074249ba1fc600e73da55ae04d7bd4c24d5f149b95",
+  "aarch64-pc-windows-msvc-0.10.11": "6a3eec4105c775dd87c11ef8ec41564648273751ff807c8955c24ddbcc636d03",
+  "aarch64-unknown-linux-gnu-0.10.11": "23003df007937dd607409c8ddf010baa82bad2673e60e254632ca5b04edcce13",
+  "aarch64-unknown-linux-musl-0.10.11": "5d80a7f6343d2676dfde1e5126582070a2bbc62df6f60d5527a169be3788532a",
+  "arm-unknown-linux-musleabihf-0.10.11": "d3c248497c450d22a39c1d43a4a358c0c852e6056f5f49be96495eea41afb96c",
+  "armv7-unknown-linux-gnueabihf-0.10.11": "7895a6470dfba051af4e74253599482fc0b37141b5d229956b383365e1a22902",
+  "armv7-unknown-linux-musleabihf-0.10.11": "d2880c08acfdaef0985488972c8b14969f7139c27545046e2f6202f0e0f4d9d8",
+  "i686-pc-windows-msvc-0.10.11": "c17f3dc3b2c47490057f17a1f0c37270f11a7b7cedf9bf2c0f841ce02bc7001b",
+  "i686-unknown-linux-gnu-0.10.11": "1ab69ff7dd104a902731758ee05b782dfd9bdb263384e61650de638f33f586df",
+  "i686-unknown-linux-musl-0.10.11": "cffb80d303fc1655e259d0b769c489f452e97425a6b6d3393d766413783a1d8c",
+  "powerpc64le-unknown-linux-gnu-0.10.11": "ddc6a20670e60219e947b1b04813be80d7e9f4c4a0234231c8ed9298eec04aa6",
+  "riscv64gc-unknown-linux-gnu-0.10.11": "c0719473cf5f8b475e917b8dfef6ae5d876b86a00a82ef91e47a02f561399f4f",
+  "s390x-unknown-linux-gnu-0.10.11": "305ee734c585918515a22fe43b7cf253c38d468771373a0c02364d67498e07b2",
+  "x86_64-apple-darwin-0.10.11": "ff90020b554cf02ef8008535c9aab6ef27bb7be6b075359300dec79c361df897",
+  "x86_64-pc-windows-msvc-0.10.11": "9ee74df98582f37fdd6069e1caac80d2616f9a489f5dbb2b1c152f30be69c58e",
+  "x86_64-unknown-linux-gnu-0.10.11": "5a360b0de092ddf4131f5313d0411b48c4e95e8107e40c3f8f2e9fcb636b3583",
+  "x86_64-unknown-linux-musl-0.10.11": "d78246139dc6cf3ed6d03c84da762686bced7ad1de67977ee372a45b95a1f6d0",
   "aarch64-apple-darwin-0.10.10": "8a09f0ef51ee7f7170731b4cb8bde5bf9ba6da5304f49a7df6cdab42a1f37b5d",
   "aarch64-pc-windows-msvc-0.10.10": "2c6fe113f14574bc27f085751c68d3485589fcc3c3c64ed85dd1eecc2f87cffc",
   "aarch64-unknown-linux-gnu-0.10.10": "2b80457b950deda12e8d5dc3b9b7494ac143eae47f1fb11b1c6e5a8495a6421e",
@@ -96339,7 +96408,7 @@ async function validateFileCheckSum(filePath, expected) {
   });
 }
 
-// src/download/version-manifest.ts
+// src/download/manifest.ts
 var semver4 = __toESM(require_semver5(), 1);
 
 // src/utils/fetch.ts
@@ -96360,45 +96429,6 @@ var fetch = async (url2, opts) => await (0, import_undici2.fetch)(url2, {
   ...opts
 });
 
-// src/download/legacy-version-manifest.ts
-var warnedLegacyManifestUrls = /* @__PURE__ */ new Set();
-function parseLegacyManifestEntries(parsedEntries, manifestUrl) {
-  warnAboutLegacyManifestFormat(manifestUrl);
-  return parsedEntries.map((entry, index) => {
-    if (!isLegacyManifestEntry(entry)) {
-      throw new Error(
-        `Invalid legacy manifest-file entry at index ${index} in ${manifestUrl}.`
-      );
-    }
-    return {
-      arch: entry.arch,
-      checksum: entry.checksum,
-      downloadUrl: entry.downloadUrl,
-      platform: entry.platform,
-      version: entry.version
-    };
-  });
-}
-function warnAboutLegacyManifestFormat(manifestUrl) {
-  if (warnedLegacyManifestUrls.has(manifestUrl)) {
-    return;
-  }
-  warnedLegacyManifestUrls.add(manifestUrl);
-  warning(
-    `manifest-file ${manifestUrl} uses the legacy JSON array format, which is deprecated. Please migrate to the astral-sh/versions NDJSON format before the next major release.`
-  );
-}
-function isLegacyManifestEntry(value) {
-  if (!isRecord(value)) {
-    return false;
-  }
-  const checksumIsValid = typeof value.checksum === "string" || value.checksum === void 0;
-  return typeof value.arch === "string" && checksumIsValid && typeof value.downloadUrl === "string" && typeof value.platform === "string" && typeof value.version === "string";
-}
-function isRecord(value) {
-  return typeof value === "object" && value !== null;
-}
-
 // src/download/variant-selection.ts
 function selectDefaultVariant(entries, duplicateEntryDescription) {
   const firstEntry = entries[0];
@@ -96425,73 +96455,88 @@ function formatVariants(entries) {
   return entries.map((entry) => entry.variant ?? "default").sort((left, right) => left.localeCompare(right)).join(", ");
 }
 
-// src/download/versions-client.ts
+// src/download/manifest.ts
-var cachedVersionData = /* @__PURE__ */ new Map();
+var cachedManifestData = /* @__PURE__ */ new Map();
-async function fetchVersionData(url2 = VERSIONS_NDJSON_URL) {
+async function fetchManifest(manifestUrl = VERSIONS_MANIFEST_URL) {
-  const cachedVersions = cachedVersionData.get(url2);
+  const cachedVersions = cachedManifestData.get(manifestUrl);
   if (cachedVersions !== void 0) {
-    debug(`Using cached NDJSON version data from ${url2}`);
+    debug(`Using cached manifest data from ${manifestUrl}`);
     return cachedVersions;
   }
-  info(`Fetching version data from ${url2} ...`);
+  info(`Fetching manifest data from ${manifestUrl} ...`);
-  const response = await fetch(url2, {});
+  const response = await fetch(manifestUrl, {});
   if (!response.ok) {
     throw new Error(
-      `Failed to fetch version data: ${response.status} ${response.statusText}`
+      `Failed to fetch manifest data: ${response.status} ${response.statusText}`
     );
   }
   const body2 = await response.text();
-  const versions = parseVersionData(body2, url2);
+  const versions = parseManifest(body2, manifestUrl);
-  cachedVersionData.set(url2, versions);
+  cachedManifestData.set(manifestUrl, versions);
   return versions;
 }
-function parseVersionData(data, sourceDescription) {
+function parseManifest(data, sourceDescription) {
+  const trimmed = data.trim();
+  if (trimmed === "") {
+    throw new Error(`Manifest at ${sourceDescription} is empty.`);
+  }
+  if (trimmed.startsWith("[")) {
+    throw new Error(
+      `Legacy JSON array manifests are no longer supported in ${sourceDescription}. Use the astral-sh/versions manifest format instead.`
+    );
+  }
   const versions = [];
   for (const [index, line] of data.split("\n").entries()) {
-    const trimmed = line.trim();
+    const record = line.trim();
-    if (trimmed === "") {
+    if (record === "") {
       continue;
     }
     let parsed;
     try {
-      parsed = JSON.parse(trimmed);
+      parsed = JSON.parse(record);
     } catch (error2) {
       throw new Error(
-        `Failed to parse version data from ${sourceDescription} at line ${index + 1}: ${error2.message}`
+        `Failed to parse manifest data from ${sourceDescription} at line ${index + 1}: ${error2.message}`
       );
     }
-    if (!isNdjsonVersion(parsed)) {
+    if (!isManifestVersion(parsed)) {
       throw new Error(
-        `Invalid NDJSON record in ${sourceDescription} at line ${index + 1}.`
+        `Invalid manifest record in ${sourceDescription} at line ${index + 1}.`
       );
     }
     versions.push(parsed);
   }
   if (versions.length === 0) {
-    throw new Error(`No version data found in ${sourceDescription}.`);
+    throw new Error(`No manifest data found in ${sourceDescription}.`);
   }
   return versions;
 }
-async function getLatestVersion() {
+async function getLatestVersion(manifestUrl = VERSIONS_MANIFEST_URL) {
-  const versions = await fetchVersionData();
+  const versions = await fetchManifest(manifestUrl);
-  const latestVersion = versions[0]?.version;
+  const [firstVersion, ...remainingVersions] = versions.map(
-  if (!latestVersion) {
+    (versionData) => versionData.version
-    throw new Error("No versions found in NDJSON data");
+  );
+  if (firstVersion === void 0) {
+    throw new Error("No versions found in manifest data");
   }
-  debug(`Latest version from NDJSON: ${latestVersion}`);
+  const latestVersion = remainingVersions.reduce(
+    (latest, current) => semver4.gt(current, latest) ? current : latest,
+    firstVersion
+  );
+  debug(`Latest version from manifest: ${latestVersion}`);
   return latestVersion;
 }
-async function getAllVersions() {
+async function getAllVersions(manifestUrl = VERSIONS_MANIFEST_URL) {
-  const versions = await fetchVersionData();
+  const versions = await fetchManifest(manifestUrl);
   return versions.map((versionData) => versionData.version);
 }
-async function getArtifact(version4, arch3, platform2) {
+async function getArtifact(version4, arch3, platform2, manifestUrl = VERSIONS_MANIFEST_URL) {
-  const versions = await fetchVersionData();
+  const versions = await fetchManifest(manifestUrl);
   const versionData = versions.find(
     (candidate) => candidate.version === version4
   );
   if (!versionData) {
-    debug(`Version ${version4} not found in NDJSON data`);
+    debug(`Version ${version4} not found in manifest ${manifestUrl}`);
     return void 0;
   }
   const targetPlatform = `${arch3}-${platform2}`;
@@ -96504,143 +96549,36 @@ async function getArtifact(version4, arch3, platform2) {
     );
     return void 0;
   }
-  const artifact = selectArtifact(matchingArtifacts, version4, targetPlatform);
+  const artifact = selectDefaultVariant(
-  return {
+    matchingArtifacts,
-    archiveFormat: artifact.archive_format,
-    sha256: artifact.sha256,
-    url: artifact.url
-  };
-}
-function selectArtifact(artifacts, version4, targetPlatform) {
-  return selectDefaultVariant(
-    artifacts,
     `Multiple artifacts found for ${targetPlatform} in version ${version4}`
   );
+  return {
+    archiveFormat: artifact.archive_format,
+    checksum: artifact.sha256,
+    downloadUrl: artifact.url
+  };
 }
-function isNdjsonVersion(value) {
+function isManifestVersion(value) {
-  if (!isRecord2(value)) {
+  if (!isRecord(value)) {
     return false;
   }
   if (typeof value.version !== "string" || !Array.isArray(value.artifacts)) {
     return false;
   }
-  return value.artifacts.every(isNdjsonArtifact);
+  return value.artifacts.every(isManifestArtifact);
 }
-function isNdjsonArtifact(value) {
+function isManifestArtifact(value) {
-  if (!isRecord2(value)) {
+  if (!isRecord(value)) {
     return false;
   }
   const variantIsValid = typeof value.variant === "string" || value.variant === void 0;
   return typeof value.archive_format === "string" && typeof value.platform === "string" && typeof value.sha256 === "string" && typeof value.url === "string" && variantIsValid;
 }
-function isRecord2(value) {
+function isRecord(value) {
   return typeof value === "object" && value !== null;
 }
 
-// src/download/version-manifest.ts
-var cachedManifestEntries = /* @__PURE__ */ new Map();
-async function getLatestKnownVersion(manifestUrl) {
-  const versions = await getAllVersions2(manifestUrl);
-  const latestVersion = versions.reduce(
-    (latest, current) => semver4.gt(current, latest) ? current : latest
-  );
-  return latestVersion;
-}
-async function getAllVersions2(manifestUrl) {
-  const manifestEntries = await getManifestEntries(manifestUrl);
-  return [...new Set(manifestEntries.map((entry) => entry.version))];
-}
-async function getManifestArtifact(manifestUrl, version4, arch3, platform2) {
-  const manifestEntries = await getManifestEntries(manifestUrl);
-  const entry = selectManifestEntry(
-    manifestEntries,
-    manifestUrl,
-    version4,
-    arch3,
-    platform2
-  );
-  if (!entry) {
-    return void 0;
-  }
-  return {
-    archiveFormat: entry.archiveFormat,
-    checksum: entry.checksum,
-    downloadUrl: entry.downloadUrl
-  };
-}
-async function getManifestEntries(manifestUrl) {
-  const cachedEntries = cachedManifestEntries.get(manifestUrl);
-  if (cachedEntries !== void 0) {
-    debug(`Using cached manifest-file from: ${manifestUrl}`);
-    return cachedEntries;
-  }
-  info(`Fetching manifest-file from: ${manifestUrl}`);
-  const response = await fetch(manifestUrl, {});
-  if (!response.ok) {
-    throw new Error(
-      `Failed to fetch manifest-file: ${response.status} ${response.statusText}`
-    );
-  }
-  const data = await response.text();
-  const parsedEntries = parseManifestEntries(data, manifestUrl);
-  cachedManifestEntries.set(manifestUrl, parsedEntries);
-  return parsedEntries;
-}
-function parseManifestEntries(data, manifestUrl) {
-  const trimmed = data.trim();
-  if (trimmed === "") {
-    throw new Error(`manifest-file at ${manifestUrl} is empty.`);
-  }
-  const parsedAsJson = tryParseJson(trimmed);
-  if (Array.isArray(parsedAsJson)) {
-    return parseLegacyManifestEntries(parsedAsJson, manifestUrl);
-  }
-  const versions = parseVersionData(trimmed, manifestUrl);
-  return mapNdjsonVersionsToManifestEntries(versions, manifestUrl);
-}
-function mapNdjsonVersionsToManifestEntries(versions, manifestUrl) {
-  const manifestEntries = [];
-  for (const versionData of versions) {
-    for (const artifact of versionData.artifacts) {
-      const [arch3, ...platformParts] = artifact.platform.split("-");
-      if (arch3 === void 0 || platformParts.length === 0) {
-        throw new Error(
-          `Invalid artifact platform '${artifact.platform}' in manifest-file ${manifestUrl}.`
-        );
-      }
-      manifestEntries.push({
-        arch: arch3,
-        archiveFormat: artifact.archive_format,
-        checksum: artifact.sha256,
-        downloadUrl: artifact.url,
-        platform: platformParts.join("-"),
-        variant: artifact.variant,
-        version: versionData.version
-      });
-    }
-  }
-  return manifestEntries;
-}
-function selectManifestEntry(manifestEntries, manifestUrl, version4, arch3, platform2) {
-  const matches = manifestEntries.filter(
-    (candidate) => candidate.version === version4 && candidate.arch === arch3 && candidate.platform === platform2
-  );
-  if (matches.length === 0) {
-    return void 0;
-  }
-  return selectDefaultVariant(
-    matches,
-    `manifest-file ${manifestUrl} contains multiple artifacts for version ${version4}, arch ${arch3}, platform ${platform2}`
-  );
-}
-function tryParseJson(value) {
-  try {
-    return JSON.parse(value);
-  } catch {
-    return void 0;
-  }
-}
-
 // src/download/download-version.ts
 function tryGetFromToolCache(arch3, version4) {
   debug(`Trying to get uv from tool cache for ${version4}...`);
@@ -96653,24 +96591,25 @@ function tryGetFromToolCache(arch3, version4) {
   const installedPath = find(TOOL_CACHE_NAME, resolvedVersion, arch3);
   return { installedPath, version: resolvedVersion };
 }
-async function downloadVersionFromNdjson(platform2, arch3, version4, checkSum2, githubToken2) {
+async function downloadVersion(platform2, arch3, version4, checkSum2, githubToken2, manifestUrl) {
-  const artifact = await getArtifact(version4, arch3, platform2);
+  const artifact = await getArtifact(version4, arch3, platform2, manifestUrl);
   if (!artifact) {
     throw new Error(
-      `Could not find artifact for version ${version4}, arch ${arch3}, platform ${platform2} in ${VERSIONS_NDJSON_URL} .`
+      getMissingArtifactMessage(version4, arch3, platform2, manifestUrl)
     );
   }
-  const mirrorUrl = rewriteToMirror(artifact.url);
+  const checksum = manifestUrl === void 0 ? checkSum2 : resolveChecksum(checkSum2, artifact.checksum);
-  const downloadUrl = mirrorUrl ?? artifact.url;
+  const mirrorUrl = rewriteToMirror(artifact.downloadUrl);
+  const downloadUrl = mirrorUrl ?? artifact.downloadUrl;
   const downloadToken = mirrorUrl !== void 0 ? void 0 : githubToken2;
   try {
-    return await downloadVersion(
+    return await downloadArtifact(
       downloadUrl,
       `uv-${arch3}-${platform2}`,
       platform2,
       arch3,
       version4,
-      checkSum2,
+      checksum,
       downloadToken
     );
   } catch (err) {
@@ -96680,13 +96619,13 @@ async function downloadVersionFromNdjson(platform2, arch3, version4, checkSum2,
     warning(
       `Failed to download from mirror, falling back to GitHub Releases: ${err.message}`
     );
-    return await downloadVersion(
+    return await downloadArtifact(
-      artifact.url,
+      artifact.downloadUrl,
       `uv-${arch3}-${platform2}`,
       platform2,
       arch3,
       version4,
-      checkSum2,
+      checksum,
       githubToken2
     );
   }
@@ -96697,29 +96636,7 @@ function rewriteToMirror(url2) {
   }
   return ASTRAL_MIRROR_PREFIX + url2.slice(GITHUB_RELEASES_PREFIX.length);
 }
-async function downloadVersionFromManifest(manifestUrl, platform2, arch3, version4, checkSum2, githubToken2) {
+async function downloadArtifact(downloadUrl, artifactName, platform2, arch3, version4, checksum, githubToken2) {
-  const artifact = await getManifestArtifact(
-    manifestUrl,
-    version4,
-    arch3,
-    platform2
-  );
-  if (!artifact) {
-    throw new Error(
-      `manifest-file does not contain version ${version4}, arch ${arch3}, platform ${platform2}.`
-    );
-  }
-  return await downloadVersion(
-    artifact.downloadUrl,
-    `uv-${arch3}-${platform2}`,
-    platform2,
-    arch3,
-    version4,
-    resolveChecksum(checkSum2, artifact.checksum),
-    githubToken2
-  );
-}
-async function downloadVersion(downloadUrl, artifactName, platform2, arch3, version4, checksum, githubToken2) {
   info(`Downloading uv from "${downloadUrl}" ...`);
   const downloadPath = await downloadTool(
     downloadUrl,
@@ -96752,6 +96669,12 @@ async function downloadVersion(downloadUrl, artifactName, platform2, arch3, vers
   );
   return { cachedToolDir, version: version4 };
 }
+function getMissingArtifactMessage(version4, arch3, platform2, manifestUrl) {
+  if (manifestUrl === void 0) {
+    return `Could not find artifact for version ${version4}, arch ${arch3}, platform ${platform2} in ${VERSIONS_MANIFEST_URL} .`;
+  }
+  return `manifest-file does not contain version ${version4}, arch ${arch3}, platform ${platform2}.`;
+}
 function resolveChecksum(checkSum2, manifestChecksum) {
   return checkSum2 !== void 0 && checkSum2 !== "" ? checkSum2 : manifestChecksum;
 }
@@ -96760,23 +96683,16 @@ function getExtension(platform2) {
 }
 async function resolveVersion(versionInput, manifestUrl, resolutionStrategy2 = "highest") {
   debug(`Resolving version: ${versionInput}`);
-  let version4;
   const isSimpleMinimumVersionSpecifier = versionInput.includes(">") && !versionInput.includes(",");
   const resolveVersionSpecifierToLatest = isSimpleMinimumVersionSpecifier && resolutionStrategy2 === "highest";
   if (resolveVersionSpecifierToLatest) {
     info("Found minimum version specifier, using latest version");
   }
-  if (manifestUrl !== void 0) {
+  const version4 = versionInput === "latest" || resolveVersionSpecifierToLatest ? await getLatestVersion(manifestUrl) : versionInput;
-    version4 = versionInput === "latest" || resolveVersionSpecifierToLatest ? await getLatestKnownVersion(manifestUrl) : versionInput;
-  } else {
-    version4 = versionInput === "latest" || resolveVersionSpecifierToLatest ? await getLatestVersion() : versionInput;
-  }
   if (isExplicitVersion(version4)) {
     debug(`Version ${version4} is an explicit version.`);
-    if (resolveVersionSpecifierToLatest) {
+    if (resolveVersionSpecifierToLatest && !pep440.satisfies(version4, versionInput)) {
-      if (!pep440.satisfies(version4, versionInput)) {
+      throw new Error(`No version found for ${versionInput}`);
-        throw new Error(`No version found for ${versionInput}`);
-      }
     }
     return version4;
   }
@@ -96793,10 +96709,10 @@ async function getAvailableVersions(manifestUrl) {
     info(
       `Getting available versions from manifest-file ${manifestUrl} ...`
     );
-    return await getAllVersions2(manifestUrl);
+  } else {
+    info(`Getting available versions from ${VERSIONS_MANIFEST_URL} ...`);
   }
-  info(`Getting available versions from ${VERSIONS_NDJSON_URL} ...`);
+  return await getAllVersions(manifestUrl);
-  return await getAllVersions();
 }
 function maxSatisfying2(versions, version4) {
   const maxSemver = evaluateVersions(versions, version4);
@@ -96990,7 +96906,7 @@ function detectEmptyWorkdir() {
   }
 }
 async function setupUv(platform2, arch3, checkSum2, githubToken2) {
-  const resolvedVersion = await determineVersion(manifestFile);
+  const resolvedVersion = await determineVersion();
   const toolCacheResult = tryGetFromToolCache(arch3, resolvedVersion);
   if (toolCacheResult.installedPath) {
     info(`Found uv in tool-cache for ${toolCacheResult.version}`);
@@ -96999,28 +96915,29 @@ async function setupUv(platform2, arch3, checkSum2, githubToken2) {
       version: toolCacheResult.version
     };
   }
-  const downloadVersionResult = manifestFile !== void 0 ? await downloadVersionFromManifest(
+  const downloadResult = await downloadVersion(
-    manifestFile,
     platform2,
     arch3,
     resolvedVersion,
     checkSum2,
-    githubToken2
+    githubToken2,
-  ) : await downloadVersionFromNdjson(
+    manifestFile
-    platform2,
-    arch3,
-    resolvedVersion,
-    checkSum2,
-    githubToken2
   );
   return {
-    uvDir: downloadVersionResult.cachedToolDir,
+    uvDir: downloadResult.cachedToolDir,
-    version: downloadVersionResult.version
+    version: downloadResult.version
   };
 }
-async function determineVersion(manifestFile2) {
+async function determineVersion() {
+  return await resolveVersion(
+    getRequestedVersion(),
+    manifestFile,
+    resolutionStrategy
+  );
+}
+function getRequestedVersion() {
   if (version3 !== "") {
-    return await resolveVersion(version3, manifestFile2, resolutionStrategy);
+    return version3;
   }
   if (versionFile !== "") {
     const versionFromFile = getUvVersionFromFile(versionFile);
@@ -97029,11 +96946,7 @@ async function determineVersion(manifestFile2) {
         `Could not determine uv version from file: ${versionFile}`
       );
     }
-    return await resolveVersion(
+    return versionFromFile;
-      versionFromFile,
-      manifestFile2,
-      resolutionStrategy
-    );
   }
   const versionFromUvToml = getUvVersionFromFile(
     `${workingDirectory}${path15.sep}uv.toml`
@@ -97046,11 +96959,7 @@ async function determineVersion(manifestFile2) {
       "Could not determine uv version from uv.toml or pyproject.toml. Falling back to latest."
     );
   }
-  return await resolveVersion(
+  return versionFromUvToml || versionFromPyproject || "latest";
-    versionFromUvToml || versionFromPyproject || "latest",
-    manifestFile2,
-    resolutionStrategy
-  );
 }
 function addUvToPathAndOutput(cachedPath) {
   setOutput("uv-path", `${cachedPath}${path15.sep}uv`);

dist/update-known-checksums/index.cjs

@@ -19064,8 +19064,8 @@ var require_semver = __commonJS({
         return exports2.compareBuild(b, a, loose);
       });
     }
-    exports2.gt = gt;
+    exports2.gt = gt2;
-    function gt(a, b, loose) {
+    function gt2(a, b, loose) {
       return compare(a, b, loose) > 0;
     }
     exports2.lt = lt;
@@ -19110,7 +19110,7 @@ var require_semver = __commonJS({
         case "!=":
           return neq(a, b, loose);
         case ">":
-          return gt(a, b, loose);
+          return gt2(a, b, loose);
         case ">=":
           return gte(a, b, loose);
         case "<":
@@ -19608,7 +19608,7 @@ var require_semver = __commonJS({
             /* fallthrough */
             case "":
             case ">=":
-              if (!minver || gt(minver, compver)) {
+              if (!minver || gt2(minver, compver)) {
                 minver = compver;
               }
               break;
@@ -19649,7 +19649,7 @@ var require_semver = __commonJS({
       var gtfn, ltefn, ltfn, comp, ecomp;
       switch (hilo) {
         case ">":
-          gtfn = gt;
+          gtfn = gt2;
           ltefn = lte2;
           ltfn = lt;
           comp = ">";
@@ -19658,7 +19658,7 @@ var require_semver = __commonJS({
         case "<":
           gtfn = lt;
           ltefn = gte;
-          ltfn = gt;
+          ltfn = gt2;
           comp = "<";
           ecomp = "<=";
           break;
@@ -44945,10 +44945,79 @@ function info(message) {
 }
 
 // src/update-known-checksums.ts
-var semver = __toESM(require_semver(), 1);
+var semver2 = __toESM(require_semver(), 1);
 
 // src/download/checksum/known-checksums.ts
 var KNOWN_CHECKSUMS = {
+  "aarch64-apple-darwin-0.11.1": "f7815f739ed5d0e4202e6292acedb8659b9ae7de663d07188d8c6cbd7f96303f",
+  "aarch64-pc-windows-msvc-0.11.1": "b789db0c1504dd3b02c090bd5783487497cc46cc2eb71754874cdd1ef59eb52a",
+  "aarch64-unknown-linux-gnu-0.11.1": "1340e62da1ee3c1109764340e1247e8a1a232c30dde4a0f0548976dcaa90f06d",
+  "aarch64-unknown-linux-musl-0.11.1": "bd04ffce77ee8d77f39823c13606183581847c2f5dcd704f2ea0f15e376b1a27",
+  "arm-unknown-linux-musleabihf-0.11.1": "625c0e756e2374fce864ceaa6beedd5821e276e2b6307f2b719f2d62b449b89c",
+  "armv7-unknown-linux-gnueabihf-0.11.1": "baf8daaab20b0502d1853dbfd916afb0762c024ae7f0df1c2deb2a1a1c1c3467",
+  "armv7-unknown-linux-musleabihf-0.11.1": "684c25b74e83bcb1b177152379cfe2c974ba731aa5af278e1d161e41709f8bcf",
+  "i686-pc-windows-msvc-0.11.1": "3c07858a08c54e4e5753239354c7b07ae69071b2b6f5aa2cc970e612adcb4740",
+  "i686-unknown-linux-gnu-0.11.1": "6e83167c05708570563b10b6cc7e8c289daef5f51fde0b152e41af2a7ef70813",
+  "i686-unknown-linux-musl-0.11.1": "b0d5152635c257fec76f95cb9268112b47ff70bd33a23866295a4f2ed9f46b7f",
+  "powerpc64le-unknown-linux-gnu-0.11.1": "e42d2abfac46f57564789e2bfa6dbea4ae3135892e36ae066ba0ae77b69bb676",
+  "riscv64gc-unknown-linux-gnu-0.11.1": "5e2c757b35dab015ad37f74ee3e060208390b5f4defb6684876f1be0664f3f6e",
+  "riscv64gc-unknown-linux-musl-0.11.1": "6f590a824aed363cbec4079f7ddab87b5685119e0f5f0e71cd114c7b7c326199",
+  "s390x-unknown-linux-gnu-0.11.1": "4208173c74e29572b799178709b5ed5828b24888659f944a4b47c0aaf78b42d2",
+  "x86_64-apple-darwin-0.11.1": "2103670e8e949605e51926c7b953923ff6f6befbfb55aee928f5e760c9c910f8",
+  "x86_64-pc-windows-msvc-0.11.1": "6659250cebbd3bb6ee48bcb21a3f0c6656450d63fb97f0f069bcb532bdb688ed",
+  "x86_64-unknown-linux-gnu-0.11.1": "7c0c8069053e6e99e5911ff32b916be571f3419cd8e11bd28fb7da2c7dcaa553",
+  "x86_64-unknown-linux-musl-0.11.1": "4e949471a95b37088a1ff1a585f69abed4d3cd3f921f50709a46b6ba62986d38",
+  "aarch64-apple-darwin-0.11.0": "0c0f32c6a3473c5928aff96c3233715edfc79290e892f255cac93710cde7b91a",
+  "aarch64-pc-windows-msvc-0.11.0": "95419e04a3ef5f13fb2a06bd6d787ba80a9d8981d6f097780e5a979817a2879d",
+  "aarch64-unknown-linux-gnu-0.11.0": "8e179ca110343a17f801444ff9ef117dba56ef5fc9f6a4c9bb77b318ddba5f24",
+  "aarch64-unknown-linux-musl-0.11.0": "658be4b8ec905635f1295468d4d5120d9e1ab1722eec9a104473ce993590babe",
+  "arm-unknown-linux-musleabihf-0.11.0": "bfdcbd5fa41c8a9877a72c2b55a95da2bc79933885ef56c699b65bb2ed9cea91",
+  "armv7-unknown-linux-gnueabihf-0.11.0": "0cad4e1b6769e48aa1e80cf639ddcc7c1bfe9ed017e95868fed185a8d818c949",
+  "armv7-unknown-linux-musleabihf-0.11.0": "2aa9da83c6c0cf8a06bc9df14d51056284fa067ef5390b4db79998ff12f3bee7",
+  "i686-pc-windows-msvc-0.11.0": "3b09d70e686087e096dbd8a2af21b922a2cac7d613dc053c3281c3ddbb961961",
+  "i686-unknown-linux-gnu-0.11.0": "59928a0267501c20d9f9942f5f1d81a991ec55e29a19e002ae3d5c178c674c89",
+  "i686-unknown-linux-musl-0.11.0": "1f438d6f6f851f0dabad3307ce7fd46541ecc5c42ebb664f382eb6c9a424a67d",
+  "powerpc64le-unknown-linux-gnu-0.11.0": "29f17fb43595492b1a36cda57df7adad74183132df32799d32897268ff4e26dd",
+  "riscv64gc-unknown-linux-gnu-0.11.0": "84ef37dda1003c5b65fa6c8f84242d35a7fcc84cc5ea9490d702edc36cad1f67",
+  "s390x-unknown-linux-gnu-0.11.0": "b25be62f3b642348a2fece5c658624586661b8d1103891ab6903768b0529edc4",
+  "x86_64-apple-darwin-0.11.0": "31aaec764166af8885cf99321fd6ed24fef80225a6f26ed1ae8ce04111688a7e",
+  "x86_64-pc-windows-msvc-0.11.0": "e21d00b172df83531564a95e75a2bdc0c59b471dbb3515f0c1b4d6ef657dc451",
+  "x86_64-unknown-linux-gnu-0.11.0": "cc0fbb42b3642125f600a55b0b095bea65cddaadb94c6ea2b6ba5d79c5825089",
+  "x86_64-unknown-linux-musl-0.11.0": "bf6b0757c73d1726faa2a819b155d4d864919a95766720215d78fdcd09d42d26",
+  "aarch64-apple-darwin-0.10.12": "ae738b5661a900579ec621d3918c0ef17bdec0da2a8a6d8b161137cd15f25414",
+  "aarch64-pc-windows-msvc-0.10.12": "e79881e2c4f98a0f3a37b8770bf224e8fee70f6dcf8fc17055d8291bb1b0b867",
+  "aarch64-unknown-linux-gnu-0.10.12": "0ed7d20f49f6b9b60d45fdfcac28f3ac01a671a6ef08672401ed2833423fea2a",
+  "aarch64-unknown-linux-musl-0.10.12": "55bd1c1c10ec8b95a8c184f5e18b566703c6ab105f0fc118aaa4d748aabf28e4",
+  "arm-unknown-linux-musleabihf-0.10.12": "9714e5059b05110a1c7ddbc18c971c13e0260e10551b7b77d82cbf907a4ebd9b",
+  "armv7-unknown-linux-gnueabihf-0.10.12": "eaa02f36d5112029601b18ac3d1a0c03a83bb20cb4154c2f5345f777fa6c4101",
+  "armv7-unknown-linux-musleabihf-0.10.12": "bd735652298c6e62cdd2ac939babe176a3356613e6803baa33d0bc10e8d9e4ed",
+  "i686-pc-windows-msvc-0.10.12": "2312e75b9c77befdc1bff30da18f16df03083452852952553bee91da362c1a1d",
+  "i686-unknown-linux-gnu-0.10.12": "8501844b34e3a28cfbba5a4b857eebd696d952e0bb4160357451ad80f3f49db8",
+  "i686-unknown-linux-musl-0.10.12": "56cad78abcf5b710d2f7b9f774fcfd6bbed340d2aa9d9fc9e3b515542ec5e953",
+  "powerpc64le-unknown-linux-gnu-0.10.12": "3c8017d9112221c83f43e8a15a58099663c0b2bdeabc8b43bb800413dfa21218",
+  "riscv64gc-unknown-linux-gnu-0.10.12": "b1ca482b6b5dd7bf6ab733a3695cb0ab5b8e992ca96527efae93aa78fcc52a9b",
+  "s390x-unknown-linux-gnu-0.10.12": "e1a0345eefe6fd3300948cd6f18aab092f9b88a243782113e645ce96530a6693",
+  "x86_64-apple-darwin-0.10.12": "17443e293f2ae407bb2d8d34b875ebfe0ae01cf1296de5647e69e7b2e2b428f0",
+  "x86_64-pc-windows-msvc-0.10.12": "4c1d55501869b3330d4aabf45ad6024ce2367e0f3af83344395702d272c22e88",
+  "x86_64-unknown-linux-gnu-0.10.12": "ec72570c9d1f33021aa80b176d7baba390de2cfeb1abcbefca346d563bf17484",
+  "x86_64-unknown-linux-musl-0.10.12": "adccf40b5d1939a5e0093081ec2307ea24235adf7c2d96b122c561fa37711c46",
+  "aarch64-apple-darwin-0.10.11": "437a7d498dd6564d5bf986074249ba1fc600e73da55ae04d7bd4c24d5f149b95",
+  "aarch64-pc-windows-msvc-0.10.11": "6a3eec4105c775dd87c11ef8ec41564648273751ff807c8955c24ddbcc636d03",
+  "aarch64-unknown-linux-gnu-0.10.11": "23003df007937dd607409c8ddf010baa82bad2673e60e254632ca5b04edcce13",
+  "aarch64-unknown-linux-musl-0.10.11": "5d80a7f6343d2676dfde1e5126582070a2bbc62df6f60d5527a169be3788532a",
+  "arm-unknown-linux-musleabihf-0.10.11": "d3c248497c450d22a39c1d43a4a358c0c852e6056f5f49be96495eea41afb96c",
+  "armv7-unknown-linux-gnueabihf-0.10.11": "7895a6470dfba051af4e74253599482fc0b37141b5d229956b383365e1a22902",
+  "armv7-unknown-linux-musleabihf-0.10.11": "d2880c08acfdaef0985488972c8b14969f7139c27545046e2f6202f0e0f4d9d8",
+  "i686-pc-windows-msvc-0.10.11": "c17f3dc3b2c47490057f17a1f0c37270f11a7b7cedf9bf2c0f841ce02bc7001b",
+  "i686-unknown-linux-gnu-0.10.11": "1ab69ff7dd104a902731758ee05b782dfd9bdb263384e61650de638f33f586df",
+  "i686-unknown-linux-musl-0.10.11": "cffb80d303fc1655e259d0b769c489f452e97425a6b6d3393d766413783a1d8c",
+  "powerpc64le-unknown-linux-gnu-0.10.11": "ddc6a20670e60219e947b1b04813be80d7e9f4c4a0234231c8ed9298eec04aa6",
+  "riscv64gc-unknown-linux-gnu-0.10.11": "c0719473cf5f8b475e917b8dfef6ae5d876b86a00a82ef91e47a02f561399f4f",
+  "s390x-unknown-linux-gnu-0.10.11": "305ee734c585918515a22fe43b7cf253c38d468771373a0c02364d67498e07b2",
+  "x86_64-apple-darwin-0.10.11": "ff90020b554cf02ef8008535c9aab6ef27bb7be6b075359300dec79c361df897",
+  "x86_64-pc-windows-msvc-0.10.11": "9ee74df98582f37fdd6069e1caac80d2616f9a489f5dbb2b1c152f30be69c58e",
+  "x86_64-unknown-linux-gnu-0.10.11": "5a360b0de092ddf4131f5313d0411b48c4e95e8107e40c3f8f2e9fcb636b3583",
+  "x86_64-unknown-linux-musl-0.10.11": "d78246139dc6cf3ed6d03c84da762686bced7ad1de67977ee372a45b95a1f6d0",
   "aarch64-apple-darwin-0.10.10": "8a09f0ef51ee7f7170731b4cb8bde5bf9ba6da5304f49a7df6cdab42a1f37b5d",
   "aarch64-pc-windows-msvc-0.10.10": "2c6fe113f14574bc27f085751c68d3485589fcc3c3c64ed85dd1eecc2f87cffc",
   "aarch64-unknown-linux-gnu-0.10.10": "2b80457b950deda12e8d5dc3b9b7494ac143eae47f1fb11b1c6e5a8495a6421e",
@@ -49376,8 +49445,11 @@ async function updateChecksums(filePath, checksumEntries) {
   await import_node_fs.promises.writeFile(filePath, content);
 }
 
+// src/download/manifest.ts
+var semver = __toESM(require_semver(), 1);
+
 // src/utils/constants.ts
-var VERSIONS_NDJSON_URL = "https://raw.githubusercontent.com/astral-sh/versions/main/v1/uv.ndjson";
+var VERSIONS_MANIFEST_URL = "https://raw.githubusercontent.com/astral-sh/versions/main/v1/uv.ndjson";
 
 // src/utils/fetch.ts
 var import_undici2 = __toESM(require_undici2(), 1);
@@ -49397,72 +49469,87 @@ var fetch = async (url, opts) => await (0, import_undici2.fetch)(url, {
   ...opts
 });
 
-// src/download/versions-client.ts
+// src/download/manifest.ts
-var cachedVersionData = /* @__PURE__ */ new Map();
+var cachedManifestData = /* @__PURE__ */ new Map();
-async function fetchVersionData(url = VERSIONS_NDJSON_URL) {
+async function fetchManifest(manifestUrl = VERSIONS_MANIFEST_URL) {
-  const cachedVersions = cachedVersionData.get(url);
+  const cachedVersions = cachedManifestData.get(manifestUrl);
   if (cachedVersions !== void 0) {
-    debug(`Using cached NDJSON version data from ${url}`);
+    debug(`Using cached manifest data from ${manifestUrl}`);
     return cachedVersions;
   }
-  info(`Fetching version data from ${url} ...`);
+  info(`Fetching manifest data from ${manifestUrl} ...`);
-  const response = await fetch(url, {});
+  const response = await fetch(manifestUrl, {});
   if (!response.ok) {
     throw new Error(
-      `Failed to fetch version data: ${response.status} ${response.statusText}`
+      `Failed to fetch manifest data: ${response.status} ${response.statusText}`
     );
   }
   const body = await response.text();
-  const versions = parseVersionData(body, url);
+  const versions = parseManifest(body, manifestUrl);
-  cachedVersionData.set(url, versions);
+  cachedManifestData.set(manifestUrl, versions);
   return versions;
 }
-function parseVersionData(data, sourceDescription) {
+function parseManifest(data, sourceDescription) {
+  const trimmed = data.trim();
+  if (trimmed === "") {
+    throw new Error(`Manifest at ${sourceDescription} is empty.`);
+  }
+  if (trimmed.startsWith("[")) {
+    throw new Error(
+      `Legacy JSON array manifests are no longer supported in ${sourceDescription}. Use the astral-sh/versions manifest format instead.`
+    );
+  }
   const versions = [];
   for (const [index, line] of data.split("\n").entries()) {
-    const trimmed = line.trim();
+    const record = line.trim();
-    if (trimmed === "") {
+    if (record === "") {
       continue;
     }
     let parsed;
     try {
-      parsed = JSON.parse(trimmed);
+      parsed = JSON.parse(record);
     } catch (error) {
       throw new Error(
-        `Failed to parse version data from ${sourceDescription} at line ${index + 1}: ${error.message}`
+        `Failed to parse manifest data from ${sourceDescription} at line ${index + 1}: ${error.message}`
       );
     }
-    if (!isNdjsonVersion(parsed)) {
+    if (!isManifestVersion(parsed)) {
       throw new Error(
-        `Invalid NDJSON record in ${sourceDescription} at line ${index + 1}.`
+        `Invalid manifest record in ${sourceDescription} at line ${index + 1}.`
       );
     }
     versions.push(parsed);
   }
   if (versions.length === 0) {
-    throw new Error(`No version data found in ${sourceDescription}.`);
+    throw new Error(`No manifest data found in ${sourceDescription}.`);
   }
   return versions;
 }
-async function getLatestVersion() {
+async function getLatestVersion(manifestUrl = VERSIONS_MANIFEST_URL) {
-  const versions = await fetchVersionData();
+  const versions = await fetchManifest(manifestUrl);
-  const latestVersion = versions[0]?.version;
+  const [firstVersion, ...remainingVersions] = versions.map(
-  if (!latestVersion) {
+    (versionData) => versionData.version
-    throw new Error("No versions found in NDJSON data");
+  );
+  if (firstVersion === void 0) {
+    throw new Error("No versions found in manifest data");
   }
-  debug(`Latest version from NDJSON: ${latestVersion}`);
+  const latestVersion = remainingVersions.reduce(
+    (latest, current) => semver.gt(current, latest) ? current : latest,
+    firstVersion
+  );
+  debug(`Latest version from manifest: ${latestVersion}`);
   return latestVersion;
 }
-function isNdjsonVersion(value) {
+function isManifestVersion(value) {
   if (!isRecord(value)) {
     return false;
   }
   if (typeof value.version !== "string" || !Array.isArray(value.artifacts)) {
     return false;
   }
-  return value.artifacts.every(isNdjsonArtifact);
+  return value.artifacts.every(isManifestArtifact);
 }
-function isNdjsonArtifact(value) {
+function isManifestArtifact(value) {
   if (!isRecord(value)) {
     return false;
   }
@@ -49484,14 +49571,14 @@ async function run() {
   }
   const latestVersion = await getLatestVersion();
   const latestKnownVersion = getLatestKnownVersionFromChecksums();
-  if (semver.lte(latestVersion, latestKnownVersion)) {
+  if (semver2.lte(latestVersion, latestKnownVersion)) {
     info(
       `Latest release (${latestVersion}) is not newer than the latest known version (${latestKnownVersion}). Skipping update.`
     );
     return;
   }
-  const versions = await fetchVersionData();
+  const versions = await fetchManifest();
-  const checksumEntries = extractChecksumsFromNdjson(versions);
+  const checksumEntries = extractChecksumsFromManifest(versions);
   await updateChecksums(checksumFilePath, checksumEntries);
   setOutput("latest-version", latestVersion);
 }
@@ -49503,7 +49590,7 @@ function getLatestKnownVersionFromChecksums() {
       versions.add(version);
     }
   }
-  const latestVersion = [...versions].sort(semver.rcompare)[0];
+  const latestVersion = [...versions].sort(semver2.rcompare)[0];
   if (!latestVersion) {
     throw new Error("Could not determine latest known version from checksums.");
   }
@@ -49512,7 +49599,7 @@ function getLatestKnownVersionFromChecksums() {
 function extractVersionFromChecksumKey(key) {
   return key.match(VERSION_IN_CHECKSUM_KEY_PATTERN)?.[1];
 }
-function extractChecksumsFromNdjson(versions) {
+function extractChecksumsFromManifest(versions) {
   const checksums = [];
   for (const version of versions) {
     for (const artifact of version.artifacts) {

docs/customization.md

@@ -19,14 +19,14 @@ are automatically verified by this action. The sha256 hashes can be found on the
 ## Manifest file
 
 By default, setup-uv reads version metadata from
-[`astral-sh/versions`](https://github.com/astral-sh/versions) (NDJSON format).
+[`astral-sh/versions`](https://github.com/astral-sh/versions).
 
 The `manifest-file` input lets you override that source with your own URL, for example to test
 custom uv builds or alternate download locations.
 
 ### Format
 
-The manifest file must be in NDJSON format, where each line is a JSON object representing a version and its artifacts. For example:
+The manifest file must use the same format as `astral-sh/versions`: one JSON object per line, where each object represents a version and its artifacts. The versions must be sorted in descending order. For example:
 
 ```json
 {"version":"0.10.7","artifacts":[{"platform":"x86_64-unknown-linux-gnu","variant":"default","url":"https://example.com/uv-x86_64-unknown-linux-gnu.tar.gz","archive_format":"tar.gz","sha256":"..."}]}
@@ -37,23 +37,6 @@ setup-uv currently only supports `default` as the `variant`.
 
 The `archive_format` field is currently ignored.
 
-### Legacy format: JSON array (deprecated)
-
-The previous JSON array format is still supported for compatibility, but deprecated and will be
-removed in a future major release.
-
-```json
-[
-  {
-    "version": "0.7.13",
-    "artifactName": "uv-aarch64-apple-darwin.tar.gz",
-    "arch": "aarch64",
-    "platform": "apple-darwin",
-    "downloadUrl": "https://github.com/astral-sh/uv/releases/download/0.7.13/uv-aarch64-apple-darwin.tar.gz"
-  }
-]
-```
-
 ```yaml
 - name: Use a custom manifest file
   uses: astral-sh/setup-uv@v7

src/download/checksum/known-checksums.ts

@@ -1,5 +1,143 @@
 // AUTOGENERATED_DO_NOT_EDIT
 export const KNOWN_CHECKSUMS: { [key: string]: string } = {
+  "aarch64-apple-darwin-0.11.1":
+    "f7815f739ed5d0e4202e6292acedb8659b9ae7de663d07188d8c6cbd7f96303f",
+  "aarch64-pc-windows-msvc-0.11.1":
+    "b789db0c1504dd3b02c090bd5783487497cc46cc2eb71754874cdd1ef59eb52a",
+  "aarch64-unknown-linux-gnu-0.11.1":
+    "1340e62da1ee3c1109764340e1247e8a1a232c30dde4a0f0548976dcaa90f06d",
+  "aarch64-unknown-linux-musl-0.11.1":
+    "bd04ffce77ee8d77f39823c13606183581847c2f5dcd704f2ea0f15e376b1a27",
+  "arm-unknown-linux-musleabihf-0.11.1":
+    "625c0e756e2374fce864ceaa6beedd5821e276e2b6307f2b719f2d62b449b89c",
+  "armv7-unknown-linux-gnueabihf-0.11.1":
+    "baf8daaab20b0502d1853dbfd916afb0762c024ae7f0df1c2deb2a1a1c1c3467",
+  "armv7-unknown-linux-musleabihf-0.11.1":
+    "684c25b74e83bcb1b177152379cfe2c974ba731aa5af278e1d161e41709f8bcf",
+  "i686-pc-windows-msvc-0.11.1":
+    "3c07858a08c54e4e5753239354c7b07ae69071b2b6f5aa2cc970e612adcb4740",
+  "i686-unknown-linux-gnu-0.11.1":
+    "6e83167c05708570563b10b6cc7e8c289daef5f51fde0b152e41af2a7ef70813",
+  "i686-unknown-linux-musl-0.11.1":
+    "b0d5152635c257fec76f95cb9268112b47ff70bd33a23866295a4f2ed9f46b7f",
+  "powerpc64le-unknown-linux-gnu-0.11.1":
+    "e42d2abfac46f57564789e2bfa6dbea4ae3135892e36ae066ba0ae77b69bb676",
+  "riscv64gc-unknown-linux-gnu-0.11.1":
+    "5e2c757b35dab015ad37f74ee3e060208390b5f4defb6684876f1be0664f3f6e",
+  "riscv64gc-unknown-linux-musl-0.11.1":
+    "6f590a824aed363cbec4079f7ddab87b5685119e0f5f0e71cd114c7b7c326199",
+  "s390x-unknown-linux-gnu-0.11.1":
+    "4208173c74e29572b799178709b5ed5828b24888659f944a4b47c0aaf78b42d2",
+  "x86_64-apple-darwin-0.11.1":
+    "2103670e8e949605e51926c7b953923ff6f6befbfb55aee928f5e760c9c910f8",
+  "x86_64-pc-windows-msvc-0.11.1":
+    "6659250cebbd3bb6ee48bcb21a3f0c6656450d63fb97f0f069bcb532bdb688ed",
+  "x86_64-unknown-linux-gnu-0.11.1":
+    "7c0c8069053e6e99e5911ff32b916be571f3419cd8e11bd28fb7da2c7dcaa553",
+  "x86_64-unknown-linux-musl-0.11.1":
+    "4e949471a95b37088a1ff1a585f69abed4d3cd3f921f50709a46b6ba62986d38",
+  "aarch64-apple-darwin-0.11.0":
+    "0c0f32c6a3473c5928aff96c3233715edfc79290e892f255cac93710cde7b91a",
+  "aarch64-pc-windows-msvc-0.11.0":
+    "95419e04a3ef5f13fb2a06bd6d787ba80a9d8981d6f097780e5a979817a2879d",
+  "aarch64-unknown-linux-gnu-0.11.0":
+    "8e179ca110343a17f801444ff9ef117dba56ef5fc9f6a4c9bb77b318ddba5f24",
+  "aarch64-unknown-linux-musl-0.11.0":
+    "658be4b8ec905635f1295468d4d5120d9e1ab1722eec9a104473ce993590babe",
+  "arm-unknown-linux-musleabihf-0.11.0":
+    "bfdcbd5fa41c8a9877a72c2b55a95da2bc79933885ef56c699b65bb2ed9cea91",
+  "armv7-unknown-linux-gnueabihf-0.11.0":
+    "0cad4e1b6769e48aa1e80cf639ddcc7c1bfe9ed017e95868fed185a8d818c949",
+  "armv7-unknown-linux-musleabihf-0.11.0":
+    "2aa9da83c6c0cf8a06bc9df14d51056284fa067ef5390b4db79998ff12f3bee7",
+  "i686-pc-windows-msvc-0.11.0":
+    "3b09d70e686087e096dbd8a2af21b922a2cac7d613dc053c3281c3ddbb961961",
+  "i686-unknown-linux-gnu-0.11.0":
+    "59928a0267501c20d9f9942f5f1d81a991ec55e29a19e002ae3d5c178c674c89",
+  "i686-unknown-linux-musl-0.11.0":
+    "1f438d6f6f851f0dabad3307ce7fd46541ecc5c42ebb664f382eb6c9a424a67d",
+  "powerpc64le-unknown-linux-gnu-0.11.0":
+    "29f17fb43595492b1a36cda57df7adad74183132df32799d32897268ff4e26dd",
+  "riscv64gc-unknown-linux-gnu-0.11.0":
+    "84ef37dda1003c5b65fa6c8f84242d35a7fcc84cc5ea9490d702edc36cad1f67",
+  "s390x-unknown-linux-gnu-0.11.0":
+    "b25be62f3b642348a2fece5c658624586661b8d1103891ab6903768b0529edc4",
+  "x86_64-apple-darwin-0.11.0":
+    "31aaec764166af8885cf99321fd6ed24fef80225a6f26ed1ae8ce04111688a7e",
+  "x86_64-pc-windows-msvc-0.11.0":
+    "e21d00b172df83531564a95e75a2bdc0c59b471dbb3515f0c1b4d6ef657dc451",
+  "x86_64-unknown-linux-gnu-0.11.0":
+    "cc0fbb42b3642125f600a55b0b095bea65cddaadb94c6ea2b6ba5d79c5825089",
+  "x86_64-unknown-linux-musl-0.11.0":
+    "bf6b0757c73d1726faa2a819b155d4d864919a95766720215d78fdcd09d42d26",
+  "aarch64-apple-darwin-0.10.12":
+    "ae738b5661a900579ec621d3918c0ef17bdec0da2a8a6d8b161137cd15f25414",
+  "aarch64-pc-windows-msvc-0.10.12":
+    "e79881e2c4f98a0f3a37b8770bf224e8fee70f6dcf8fc17055d8291bb1b0b867",
+  "aarch64-unknown-linux-gnu-0.10.12":
+    "0ed7d20f49f6b9b60d45fdfcac28f3ac01a671a6ef08672401ed2833423fea2a",
+  "aarch64-unknown-linux-musl-0.10.12":
+    "55bd1c1c10ec8b95a8c184f5e18b566703c6ab105f0fc118aaa4d748aabf28e4",
+  "arm-unknown-linux-musleabihf-0.10.12":
+    "9714e5059b05110a1c7ddbc18c971c13e0260e10551b7b77d82cbf907a4ebd9b",
+  "armv7-unknown-linux-gnueabihf-0.10.12":
+    "eaa02f36d5112029601b18ac3d1a0c03a83bb20cb4154c2f5345f777fa6c4101",
+  "armv7-unknown-linux-musleabihf-0.10.12":
+    "bd735652298c6e62cdd2ac939babe176a3356613e6803baa33d0bc10e8d9e4ed",
+  "i686-pc-windows-msvc-0.10.12":
+    "2312e75b9c77befdc1bff30da18f16df03083452852952553bee91da362c1a1d",
+  "i686-unknown-linux-gnu-0.10.12":
+    "8501844b34e3a28cfbba5a4b857eebd696d952e0bb4160357451ad80f3f49db8",
+  "i686-unknown-linux-musl-0.10.12":
+    "56cad78abcf5b710d2f7b9f774fcfd6bbed340d2aa9d9fc9e3b515542ec5e953",
+  "powerpc64le-unknown-linux-gnu-0.10.12":
+    "3c8017d9112221c83f43e8a15a58099663c0b2bdeabc8b43bb800413dfa21218",
+  "riscv64gc-unknown-linux-gnu-0.10.12":
+    "b1ca482b6b5dd7bf6ab733a3695cb0ab5b8e992ca96527efae93aa78fcc52a9b",
+  "s390x-unknown-linux-gnu-0.10.12":
+    "e1a0345eefe6fd3300948cd6f18aab092f9b88a243782113e645ce96530a6693",
+  "x86_64-apple-darwin-0.10.12":
+    "17443e293f2ae407bb2d8d34b875ebfe0ae01cf1296de5647e69e7b2e2b428f0",
+  "x86_64-pc-windows-msvc-0.10.12":
+    "4c1d55501869b3330d4aabf45ad6024ce2367e0f3af83344395702d272c22e88",
+  "x86_64-unknown-linux-gnu-0.10.12":
+    "ec72570c9d1f33021aa80b176d7baba390de2cfeb1abcbefca346d563bf17484",
+  "x86_64-unknown-linux-musl-0.10.12":
+    "adccf40b5d1939a5e0093081ec2307ea24235adf7c2d96b122c561fa37711c46",
+  "aarch64-apple-darwin-0.10.11":
+    "437a7d498dd6564d5bf986074249ba1fc600e73da55ae04d7bd4c24d5f149b95",
+  "aarch64-pc-windows-msvc-0.10.11":
+    "6a3eec4105c775dd87c11ef8ec41564648273751ff807c8955c24ddbcc636d03",
+  "aarch64-unknown-linux-gnu-0.10.11":
+    "23003df007937dd607409c8ddf010baa82bad2673e60e254632ca5b04edcce13",
+  "aarch64-unknown-linux-musl-0.10.11":
+    "5d80a7f6343d2676dfde1e5126582070a2bbc62df6f60d5527a169be3788532a",
+  "arm-unknown-linux-musleabihf-0.10.11":
+    "d3c248497c450d22a39c1d43a4a358c0c852e6056f5f49be96495eea41afb96c",
+  "armv7-unknown-linux-gnueabihf-0.10.11":
+    "7895a6470dfba051af4e74253599482fc0b37141b5d229956b383365e1a22902",
+  "armv7-unknown-linux-musleabihf-0.10.11":
+    "d2880c08acfdaef0985488972c8b14969f7139c27545046e2f6202f0e0f4d9d8",
+  "i686-pc-windows-msvc-0.10.11":
+    "c17f3dc3b2c47490057f17a1f0c37270f11a7b7cedf9bf2c0f841ce02bc7001b",
+  "i686-unknown-linux-gnu-0.10.11":
+    "1ab69ff7dd104a902731758ee05b782dfd9bdb263384e61650de638f33f586df",
+  "i686-unknown-linux-musl-0.10.11":
+    "cffb80d303fc1655e259d0b769c489f452e97425a6b6d3393d766413783a1d8c",
+  "powerpc64le-unknown-linux-gnu-0.10.11":
+    "ddc6a20670e60219e947b1b04813be80d7e9f4c4a0234231c8ed9298eec04aa6",
+  "riscv64gc-unknown-linux-gnu-0.10.11":
+    "c0719473cf5f8b475e917b8dfef6ae5d876b86a00a82ef91e47a02f561399f4f",
+  "s390x-unknown-linux-gnu-0.10.11":
+    "305ee734c585918515a22fe43b7cf253c38d468771373a0c02364d67498e07b2",
+  "x86_64-apple-darwin-0.10.11":
+    "ff90020b554cf02ef8008535c9aab6ef27bb7be6b075359300dec79c361df897",
+  "x86_64-pc-windows-msvc-0.10.11":
+    "9ee74df98582f37fdd6069e1caac80d2616f9a489f5dbb2b1c152f30be69c58e",
+  "x86_64-unknown-linux-gnu-0.10.11":
+    "5a360b0de092ddf4131f5313d0411b48c4e95e8107e40c3f8f2e9fcb636b3583",
+  "x86_64-unknown-linux-musl-0.10.11":
+    "d78246139dc6cf3ed6d03c84da762686bced7ad1de67977ee372a45b95a1f6d0",
   "aarch64-apple-darwin-0.10.10":
     "8a09f0ef51ee7f7170731b4cb8bde5bf9ba6da5304f49a7df6cdab42a1f37b5d",
   "aarch64-pc-windows-msvc-0.10.10":

src/download/download-version.ts

@@ -8,20 +8,11 @@ import {
   ASTRAL_MIRROR_PREFIX,
   GITHUB_RELEASES_PREFIX,
   TOOL_CACHE_NAME,
-  VERSIONS_NDJSON_URL,
+  VERSIONS_MANIFEST_URL,
 } from "../utils/constants";
 import type { Architecture, Platform } from "../utils/platforms";
 import { validateChecksum } from "./checksum/checksum";
-import {
+import { getAllVersions, getArtifact, getLatestVersion } from "./manifest";
-  getAllVersions as getAllManifestVersions,
-  getLatestKnownVersion as getLatestVersionInManifest,
-  getManifestArtifact,
-} from "./version-manifest";
-import {
-  getAllVersions as getAllVersionsFromNdjson,
-  getArtifact as getArtifactFromNdjson,
-  getLatestVersion as getLatestVersionFromNdjson,
-} from "./versions-client";
 
 export function tryGetFromToolCache(
   arch: Architecture,
@@ -38,36 +29,42 @@ export function tryGetFromToolCache(
   return { installedPath, version: resolvedVersion };
 }
 
-export async function downloadVersionFromNdjson(
+export async function downloadVersion(
   platform: Platform,
   arch: Architecture,
   version: string,
   checkSum: string | undefined,
   githubToken: string,
+  manifestUrl?: string,
 ): Promise<{ version: string; cachedToolDir: string }> {
-  const artifact = await getArtifactFromNdjson(version, arch, platform);
+  const artifact = await getArtifact(version, arch, platform, manifestUrl);
 
   if (!artifact) {
     throw new Error(
-      `Could not find artifact for version ${version}, arch ${arch}, platform ${platform} in ${VERSIONS_NDJSON_URL} .`,
+      getMissingArtifactMessage(version, arch, platform, manifestUrl),
     );
   }
 
-  const mirrorUrl = rewriteToMirror(artifact.url);
+  // For the default astral-sh/versions source, checksum validation relies on
-  const downloadUrl = mirrorUrl ?? artifact.url;
+  // user input or the built-in KNOWN_CHECKSUMS table, not manifest sha256 values.
+  const checksum =
+    manifestUrl === undefined
+      ? checkSum
+      : resolveChecksum(checkSum, artifact.checksum);
+
+  const mirrorUrl = rewriteToMirror(artifact.downloadUrl);
+  const downloadUrl = mirrorUrl ?? artifact.downloadUrl;
   // Don't send the GitHub token to the Astral mirror.
   const downloadToken = mirrorUrl !== undefined ? undefined : githubToken;
 
-  // For the default astral-sh/versions source, checksum validation relies on
-  // user input or the built-in KNOWN_CHECKSUMS table, not NDJSON sha256 values.
   try {
-    return await downloadVersion(
+    return await downloadArtifact(
       downloadUrl,
       `uv-${arch}-${platform}`,
       platform,
       arch,
       version,
-      checkSum,
+      checksum,
       downloadToken,
     );
   } catch (err) {
@@ -79,13 +76,13 @@ export async function downloadVersionFromNdjson(
       `Failed to download from mirror, falling back to GitHub Releases: ${(err as Error).message}`,
     );
 
-    return await downloadVersion(
+    return await downloadArtifact(
-      artifact.url,
+      artifact.downloadUrl,
       `uv-${arch}-${platform}`,
       platform,
       arch,
       version,
-      checkSum,
+      checksum,
       githubToken,
     );
   }
@@ -99,41 +96,11 @@ export function rewriteToMirror(url: string): string | undefined {
   if (!url.startsWith(GITHUB_RELEASES_PREFIX)) {
     return undefined;
   }
+
   return ASTRAL_MIRROR_PREFIX + url.slice(GITHUB_RELEASES_PREFIX.length);
 }
 
-export async function downloadVersionFromManifest(
+async function downloadArtifact(
-  manifestUrl: string,
-  platform: Platform,
-  arch: Architecture,
-  version: string,
-  checkSum: string | undefined,
-  githubToken: string,
-): Promise<{ version: string; cachedToolDir: string }> {
-  const artifact = await getManifestArtifact(
-    manifestUrl,
-    version,
-    arch,
-    platform,
-  );
-  if (!artifact) {
-    throw new Error(
-      `manifest-file does not contain version ${version}, arch ${arch}, platform ${platform}.`,
-    );
-  }
-
-  return await downloadVersion(
-    artifact.downloadUrl,
-    `uv-${arch}-${platform}`,
-    platform,
-    arch,
-    version,
-    resolveChecksum(checkSum, artifact.checksum),
-    githubToken,
-  );
-}
-
-async function downloadVersion(
   downloadUrl: string,
   artifactName: string,
   platform: Platform,
@@ -177,13 +144,26 @@ async function downloadVersion(
     version,
     arch,
   );
-  return { cachedToolDir, version: version };
+  return { cachedToolDir, version };
+}
+
+function getMissingArtifactMessage(
+  version: string,
+  arch: Architecture,
+  platform: Platform,
+  manifestUrl?: string,
+): string {
+  if (manifestUrl === undefined) {
+    return `Could not find artifact for version ${version}, arch ${arch}, platform ${platform} in ${VERSIONS_MANIFEST_URL} .`;
+  }
+
+  return `manifest-file does not contain version ${version}, arch ${arch}, platform ${platform}.`;
 }
 
 function resolveChecksum(
   checkSum: string | undefined,
-  manifestChecksum?: string,
+  manifestChecksum: string,
-): string | undefined {
+): string {
   return checkSum !== undefined && checkSum !== ""
     ? checkSum
     : manifestChecksum;
@@ -199,31 +179,27 @@ export async function resolveVersion(
   resolutionStrategy: "highest" | "lowest" = "highest",
 ): Promise<string> {
   core.debug(`Resolving version: ${versionInput}`);
-  let version: string;
   const isSimpleMinimumVersionSpecifier =
     versionInput.includes(">") && !versionInput.includes(",");
   const resolveVersionSpecifierToLatest =
     isSimpleMinimumVersionSpecifier && resolutionStrategy === "highest";
+
   if (resolveVersionSpecifierToLatest) {
     core.info("Found minimum version specifier, using latest version");
   }
-  if (manifestUrl !== undefined) {
+
-    version =
+  const version =
-      versionInput === "latest" || resolveVersionSpecifierToLatest
+    versionInput === "latest" || resolveVersionSpecifierToLatest
-        ? await getLatestVersionInManifest(manifestUrl)
+      ? await getLatestVersion(manifestUrl)
-        : versionInput;
+      : versionInput;
-  } else {
+
-    version =
-      versionInput === "latest" || resolveVersionSpecifierToLatest
-        ? await getLatestVersionFromNdjson()
-        : versionInput;
-  }
   if (tc.isExplicitVersion(version)) {
     core.debug(`Version ${version} is an explicit version.`);
-    if (resolveVersionSpecifierToLatest) {
+    if (
-      if (!pep440.satisfies(version, versionInput)) {
+      resolveVersionSpecifierToLatest &&
-        throw new Error(`No version found for ${versionInput}`);
+      !pep440.satisfies(version, versionInput)
-      }
+    ) {
+      throw new Error(`No version found for ${versionInput}`);
     }
     return version;
   }
@@ -249,11 +225,11 @@ async function getAvailableVersions(
     core.info(
       `Getting available versions from manifest-file ${manifestUrl} ...`,
     );
-    return await getAllManifestVersions(manifestUrl);
+  } else {
+    core.info(`Getting available versions from ${VERSIONS_MANIFEST_URL} ...`);
   }
 
-  core.info(`Getting available versions from ${VERSIONS_NDJSON_URL} ...`);
+  return await getAllVersions(manifestUrl);
-  return await getAllVersionsFromNdjson();
 }
 
 function maxSatisfying(

src/download/legacy-version-manifest.ts

@@ -1,80 +0,0 @@
-import * as core from "@actions/core";
-
-export interface ManifestEntry {
-  arch: string;
-  platform: string;
-  version: string;
-  downloadUrl: string;
-  checksum?: string;
-  variant?: string;
-  archiveFormat?: string;
-}
-
-interface LegacyManifestEntry {
-  arch: string;
-  platform: string;
-  version: string;
-  downloadUrl: string;
-  checksum?: string;
-}
-
-const warnedLegacyManifestUrls = new Set<string>();
-
-export function parseLegacyManifestEntries(
-  parsedEntries: unknown[],
-  manifestUrl: string,
-): ManifestEntry[] {
-  warnAboutLegacyManifestFormat(manifestUrl);
-
-  return parsedEntries.map((entry, index) => {
-    if (!isLegacyManifestEntry(entry)) {
-      throw new Error(
-        `Invalid legacy manifest-file entry at index ${index} in ${manifestUrl}.`,
-      );
-    }
-
-    return {
-      arch: entry.arch,
-      checksum: entry.checksum,
-      downloadUrl: entry.downloadUrl,
-      platform: entry.platform,
-      version: entry.version,
-    };
-  });
-}
-
-export function clearLegacyManifestWarnings(): void {
-  warnedLegacyManifestUrls.clear();
-}
-
-function warnAboutLegacyManifestFormat(manifestUrl: string): void {
-  if (warnedLegacyManifestUrls.has(manifestUrl)) {
-    return;
-  }
-
-  warnedLegacyManifestUrls.add(manifestUrl);
-  core.warning(
-    `manifest-file ${manifestUrl} uses the legacy JSON array format, which is deprecated. Please migrate to the astral-sh/versions NDJSON format before the next major release.`,
-  );
-}
-
-function isLegacyManifestEntry(value: unknown): value is LegacyManifestEntry {
-  if (!isRecord(value)) {
-    return false;
-  }
-
-  const checksumIsValid =
-    typeof value.checksum === "string" || value.checksum === undefined;
-
-  return (
-    typeof value.arch === "string" &&
-    checksumIsValid &&
-    typeof value.downloadUrl === "string" &&
-    typeof value.platform === "string" &&
-    typeof value.version === "string"
-  );
-}
-
-function isRecord(value: unknown): value is Record<string, unknown> {
-  return typeof value === "object" && value !== null;
-}

src/download/manifest.ts

@@ -0,0 +1,208 @@
+import * as core from "@actions/core";
+import * as semver from "semver";
+import { VERSIONS_MANIFEST_URL } from "../utils/constants";
+import { fetch } from "../utils/fetch";
+import { selectDefaultVariant } from "./variant-selection";
+
+export interface ManifestArtifact {
+  platform: string;
+  variant?: string;
+  url: string;
+  archive_format: string;
+  sha256: string;
+}
+
+export interface ManifestVersion {
+  version: string;
+  artifacts: ManifestArtifact[];
+}
+
+export interface ArtifactResult {
+  archiveFormat: string;
+  checksum: string;
+  downloadUrl: string;
+}
+
+const cachedManifestData = new Map<string, ManifestVersion[]>();
+
+export async function fetchManifest(
+  manifestUrl: string = VERSIONS_MANIFEST_URL,
+): Promise<ManifestVersion[]> {
+  const cachedVersions = cachedManifestData.get(manifestUrl);
+  if (cachedVersions !== undefined) {
+    core.debug(`Using cached manifest data from ${manifestUrl}`);
+    return cachedVersions;
+  }
+
+  core.info(`Fetching manifest data from ${manifestUrl} ...`);
+  const response = await fetch(manifestUrl, {});
+  if (!response.ok) {
+    throw new Error(
+      `Failed to fetch manifest data: ${response.status} ${response.statusText}`,
+    );
+  }
+
+  const body = await response.text();
+  const versions = parseManifest(body, manifestUrl);
+  cachedManifestData.set(manifestUrl, versions);
+  return versions;
+}
+
+export function parseManifest(
+  data: string,
+  sourceDescription: string,
+): ManifestVersion[] {
+  const trimmed = data.trim();
+  if (trimmed === "") {
+    throw new Error(`Manifest at ${sourceDescription} is empty.`);
+  }
+
+  if (trimmed.startsWith("[")) {
+    throw new Error(
+      `Legacy JSON array manifests are no longer supported in ${sourceDescription}. Use the astral-sh/versions manifest format instead.`,
+    );
+  }
+
+  const versions: ManifestVersion[] = [];
+
+  for (const [index, line] of data.split("\n").entries()) {
+    const record = line.trim();
+    if (record === "") {
+      continue;
+    }
+
+    let parsed: unknown;
+    try {
+      parsed = JSON.parse(record);
+    } catch (error) {
+      throw new Error(
+        `Failed to parse manifest data from ${sourceDescription} at line ${index + 1}: ${(error as Error).message}`,
+      );
+    }
+
+    if (!isManifestVersion(parsed)) {
+      throw new Error(
+        `Invalid manifest record in ${sourceDescription} at line ${index + 1}.`,
+      );
+    }
+
+    versions.push(parsed);
+  }
+
+  if (versions.length === 0) {
+    throw new Error(`No manifest data found in ${sourceDescription}.`);
+  }
+
+  return versions;
+}
+
+export async function getLatestVersion(
+  manifestUrl: string = VERSIONS_MANIFEST_URL,
+): Promise<string> {
+  const versions = await fetchManifest(manifestUrl);
+  const [firstVersion, ...remainingVersions] = versions.map(
+    (versionData) => versionData.version,
+  );
+
+  if (firstVersion === undefined) {
+    throw new Error("No versions found in manifest data");
+  }
+
+  const latestVersion = remainingVersions.reduce(
+    (latest, current) => (semver.gt(current, latest) ? current : latest),
+    firstVersion,
+  );
+
+  core.debug(`Latest version from manifest: ${latestVersion}`);
+  return latestVersion;
+}
+
+export async function getAllVersions(
+  manifestUrl: string = VERSIONS_MANIFEST_URL,
+): Promise<string[]> {
+  const versions = await fetchManifest(manifestUrl);
+  return versions.map((versionData) => versionData.version);
+}
+
+export async function getArtifact(
+  version: string,
+  arch: string,
+  platform: string,
+  manifestUrl: string = VERSIONS_MANIFEST_URL,
+): Promise<ArtifactResult | undefined> {
+  const versions = await fetchManifest(manifestUrl);
+  const versionData = versions.find(
+    (candidate) => candidate.version === version,
+  );
+  if (!versionData) {
+    core.debug(`Version ${version} not found in manifest ${manifestUrl}`);
+    return undefined;
+  }
+
+  const targetPlatform = `${arch}-${platform}`;
+  const matchingArtifacts = versionData.artifacts.filter(
+    (candidate) => candidate.platform === targetPlatform,
+  );
+
+  if (matchingArtifacts.length === 0) {
+    core.debug(
+      `Artifact for ${targetPlatform} not found in version ${version}. Available platforms: ${versionData.artifacts
+        .map((candidate) => candidate.platform)
+        .join(", ")}`,
+    );
+    return undefined;
+  }
+
+  const artifact = selectDefaultVariant(
+    matchingArtifacts,
+    `Multiple artifacts found for ${targetPlatform} in version ${version}`,
+  );
+
+  return {
+    archiveFormat: artifact.archive_format,
+    checksum: artifact.sha256,
+    downloadUrl: artifact.url,
+  };
+}
+
+export function clearManifestCache(manifestUrl?: string): void {
+  if (manifestUrl === undefined) {
+    cachedManifestData.clear();
+    return;
+  }
+
+  cachedManifestData.delete(manifestUrl);
+}
+
+function isManifestVersion(value: unknown): value is ManifestVersion {
+  if (!isRecord(value)) {
+    return false;
+  }
+
+  if (typeof value.version !== "string" || !Array.isArray(value.artifacts)) {
+    return false;
+  }
+
+  return value.artifacts.every(isManifestArtifact);
+}
+
+function isManifestArtifact(value: unknown): value is ManifestArtifact {
+  if (!isRecord(value)) {
+    return false;
+  }
+
+  const variantIsValid =
+    typeof value.variant === "string" || value.variant === undefined;
+
+  return (
+    typeof value.archive_format === "string" &&
+    typeof value.platform === "string" &&
+    typeof value.sha256 === "string" &&
+    typeof value.url === "string" &&
+    variantIsValid
+  );
+}
+
+function isRecord(value: unknown): value is Record<string, unknown> {
+  return typeof value === "object" && value !== null;
+}

src/download/version-manifest.ts

@@ -1,169 +0,0 @@
-import * as core from "@actions/core";
-import * as semver from "semver";
-import { fetch } from "../utils/fetch";
-import {
-  clearLegacyManifestWarnings,
-  type ManifestEntry,
-  parseLegacyManifestEntries,
-} from "./legacy-version-manifest";
-import { selectDefaultVariant } from "./variant-selection";
-import { type NdjsonVersion, parseVersionData } from "./versions-client";
-
-export interface ManifestArtifact {
-  downloadUrl: string;
-  checksum?: string;
-  archiveFormat?: string;
-}
-
-const cachedManifestEntries = new Map<string, ManifestEntry[]>();
-
-export async function getLatestKnownVersion(
-  manifestUrl: string,
-): Promise<string> {
-  const versions = await getAllVersions(manifestUrl);
-  const latestVersion = versions.reduce((latest, current) =>
-    semver.gt(current, latest) ? current : latest,
-  );
-
-  return latestVersion;
-}
-
-export async function getAllVersions(manifestUrl: string): Promise<string[]> {
-  const manifestEntries = await getManifestEntries(manifestUrl);
-  return [...new Set(manifestEntries.map((entry) => entry.version))];
-}
-
-export async function getManifestArtifact(
-  manifestUrl: string,
-  version: string,
-  arch: string,
-  platform: string,
-): Promise<ManifestArtifact | undefined> {
-  const manifestEntries = await getManifestEntries(manifestUrl);
-  const entry = selectManifestEntry(
-    manifestEntries,
-    manifestUrl,
-    version,
-    arch,
-    platform,
-  );
-
-  if (!entry) {
-    return undefined;
-  }
-
-  return {
-    archiveFormat: entry.archiveFormat,
-    checksum: entry.checksum,
-    downloadUrl: entry.downloadUrl,
-  };
-}
-
-export function clearManifestCache(): void {
-  cachedManifestEntries.clear();
-  clearLegacyManifestWarnings();
-}
-
-async function getManifestEntries(
-  manifestUrl: string,
-): Promise<ManifestEntry[]> {
-  const cachedEntries = cachedManifestEntries.get(manifestUrl);
-  if (cachedEntries !== undefined) {
-    core.debug(`Using cached manifest-file from: ${manifestUrl}`);
-    return cachedEntries;
-  }
-
-  core.info(`Fetching manifest-file from: ${manifestUrl}`);
-  const response = await fetch(manifestUrl, {});
-  if (!response.ok) {
-    throw new Error(
-      `Failed to fetch manifest-file: ${response.status} ${response.statusText}`,
-    );
-  }
-
-  const data = await response.text();
-  const parsedEntries = parseManifestEntries(data, manifestUrl);
-  cachedManifestEntries.set(manifestUrl, parsedEntries);
-
-  return parsedEntries;
-}
-
-function parseManifestEntries(
-  data: string,
-  manifestUrl: string,
-): ManifestEntry[] {
-  const trimmed = data.trim();
-  if (trimmed === "") {
-    throw new Error(`manifest-file at ${manifestUrl} is empty.`);
-  }
-
-  const parsedAsJson = tryParseJson(trimmed);
-  if (Array.isArray(parsedAsJson)) {
-    return parseLegacyManifestEntries(parsedAsJson, manifestUrl);
-  }
-
-  const versions = parseVersionData(trimmed, manifestUrl);
-  return mapNdjsonVersionsToManifestEntries(versions, manifestUrl);
-}
-
-function mapNdjsonVersionsToManifestEntries(
-  versions: NdjsonVersion[],
-  manifestUrl: string,
-): ManifestEntry[] {
-  const manifestEntries: ManifestEntry[] = [];
-
-  for (const versionData of versions) {
-    for (const artifact of versionData.artifacts) {
-      const [arch, ...platformParts] = artifact.platform.split("-");
-      if (arch === undefined || platformParts.length === 0) {
-        throw new Error(
-          `Invalid artifact platform '${artifact.platform}' in manifest-file ${manifestUrl}.`,
-        );
-      }
-
-      manifestEntries.push({
-        arch,
-        archiveFormat: artifact.archive_format,
-        checksum: artifact.sha256,
-        downloadUrl: artifact.url,
-        platform: platformParts.join("-"),
-        variant: artifact.variant,
-        version: versionData.version,
-      });
-    }
-  }
-
-  return manifestEntries;
-}
-
-function selectManifestEntry(
-  manifestEntries: ManifestEntry[],
-  manifestUrl: string,
-  version: string,
-  arch: string,
-  platform: string,
-): ManifestEntry | undefined {
-  const matches = manifestEntries.filter(
-    (candidate) =>
-      candidate.version === version &&
-      candidate.arch === arch &&
-      candidate.platform === platform,
-  );
-
-  if (matches.length === 0) {
-    return undefined;
-  }
-
-  return selectDefaultVariant(
-    matches,
-    `manifest-file ${manifestUrl} contains multiple artifacts for version ${version}, arch ${arch}, platform ${platform}`,
-  );
-}
-
-function tryParseJson(value: string): unknown {
-  try {
-    return JSON.parse(value);
-  } catch {
-    return undefined;
-  }
-}

src/download/versions-client.ts

@@ -1,191 +0,0 @@
-import * as core from "@actions/core";
-import { VERSIONS_NDJSON_URL } from "../utils/constants";
-import { fetch } from "../utils/fetch";
-import { selectDefaultVariant } from "./variant-selection";
-
-export interface NdjsonArtifact {
-  platform: string;
-  variant?: string;
-  url: string;
-  archive_format: string;
-  sha256: string;
-}
-
-export interface NdjsonVersion {
-  version: string;
-  artifacts: NdjsonArtifact[];
-}
-
-export interface ArtifactResult {
-  url: string;
-  sha256: string;
-  archiveFormat: string;
-}
-
-const cachedVersionData = new Map<string, NdjsonVersion[]>();
-
-export async function fetchVersionData(
-  url: string = VERSIONS_NDJSON_URL,
-): Promise<NdjsonVersion[]> {
-  const cachedVersions = cachedVersionData.get(url);
-  if (cachedVersions !== undefined) {
-    core.debug(`Using cached NDJSON version data from ${url}`);
-    return cachedVersions;
-  }
-
-  core.info(`Fetching version data from ${url} ...`);
-  const response = await fetch(url, {});
-  if (!response.ok) {
-    throw new Error(
-      `Failed to fetch version data: ${response.status} ${response.statusText}`,
-    );
-  }
-
-  const body = await response.text();
-  const versions = parseVersionData(body, url);
-  cachedVersionData.set(url, versions);
-  return versions;
-}
-
-export function parseVersionData(
-  data: string,
-  sourceDescription: string,
-): NdjsonVersion[] {
-  const versions: NdjsonVersion[] = [];
-
-  for (const [index, line] of data.split("\n").entries()) {
-    const trimmed = line.trim();
-    if (trimmed === "") {
-      continue;
-    }
-
-    let parsed: unknown;
-    try {
-      parsed = JSON.parse(trimmed);
-    } catch (error) {
-      throw new Error(
-        `Failed to parse version data from ${sourceDescription} at line ${index + 1}: ${(error as Error).message}`,
-      );
-    }
-
-    if (!isNdjsonVersion(parsed)) {
-      throw new Error(
-        `Invalid NDJSON record in ${sourceDescription} at line ${index + 1}.`,
-      );
-    }
-
-    versions.push(parsed);
-  }
-
-  if (versions.length === 0) {
-    throw new Error(`No version data found in ${sourceDescription}.`);
-  }
-
-  return versions;
-}
-
-export async function getLatestVersion(): Promise<string> {
-  const versions = await fetchVersionData();
-  const latestVersion = versions[0]?.version;
-  if (!latestVersion) {
-    throw new Error("No versions found in NDJSON data");
-  }
-
-  core.debug(`Latest version from NDJSON: ${latestVersion}`);
-  return latestVersion;
-}
-
-export async function getAllVersions(): Promise<string[]> {
-  const versions = await fetchVersionData();
-  return versions.map((versionData) => versionData.version);
-}
-
-export async function getArtifact(
-  version: string,
-  arch: string,
-  platform: string,
-): Promise<ArtifactResult | undefined> {
-  const versions = await fetchVersionData();
-  const versionData = versions.find(
-    (candidate) => candidate.version === version,
-  );
-  if (!versionData) {
-    core.debug(`Version ${version} not found in NDJSON data`);
-    return undefined;
-  }
-
-  const targetPlatform = `${arch}-${platform}`;
-  const matchingArtifacts = versionData.artifacts.filter(
-    (candidate) => candidate.platform === targetPlatform,
-  );
-
-  if (matchingArtifacts.length === 0) {
-    core.debug(
-      `Artifact for ${targetPlatform} not found in version ${version}. Available platforms: ${versionData.artifacts
-        .map((candidate) => candidate.platform)
-        .join(", ")}`,
-    );
-    return undefined;
-  }
-
-  const artifact = selectArtifact(matchingArtifacts, version, targetPlatform);
-
-  return {
-    archiveFormat: artifact.archive_format,
-    sha256: artifact.sha256,
-    url: artifact.url,
-  };
-}
-
-export function clearCache(url?: string): void {
-  if (url === undefined) {
-    cachedVersionData.clear();
-    return;
-  }
-
-  cachedVersionData.delete(url);
-}
-
-function selectArtifact(
-  artifacts: NdjsonArtifact[],
-  version: string,
-  targetPlatform: string,
-): NdjsonArtifact {
-  return selectDefaultVariant(
-    artifacts,
-    `Multiple artifacts found for ${targetPlatform} in version ${version}`,
-  );
-}
-
-function isNdjsonVersion(value: unknown): value is NdjsonVersion {
-  if (!isRecord(value)) {
-    return false;
-  }
-
-  if (typeof value.version !== "string" || !Array.isArray(value.artifacts)) {
-    return false;
-  }
-
-  return value.artifacts.every(isNdjsonArtifact);
-}
-
-function isNdjsonArtifact(value: unknown): value is NdjsonArtifact {
-  if (!isRecord(value)) {
-    return false;
-  }
-
-  const variantIsValid =
-    typeof value.variant === "string" || value.variant === undefined;
-
-  return (
-    typeof value.archive_format === "string" &&
-    typeof value.platform === "string" &&
-    typeof value.sha256 === "string" &&
-    typeof value.url === "string" &&
-    variantIsValid
-  );
-}
-
-function isRecord(value: unknown): value is Record<string, unknown> {
-  return typeof value === "object" && value !== null;
-}

src/setup-uv.ts

@@ -4,8 +4,7 @@ import * as core from "@actions/core";
 import * as exec from "@actions/exec";
 import { restoreCache } from "./cache/restore-cache";
 import {
-  downloadVersionFromManifest,
+  downloadVersion,
-  downloadVersionFromNdjson,
   resolveVersion,
   tryGetFromToolCache,
 } from "./download/download-version";
@@ -132,7 +131,7 @@ async function setupUv(
   checkSum: string | undefined,
   githubToken: string,
 ): Promise<{ uvDir: string; version: string }> {
-  const resolvedVersion = await determineVersion(manifestFile);
+  const resolvedVersion = await determineVersion();
   const toolCacheResult = tryGetFromToolCache(arch, resolvedVersion);
   if (toolCacheResult.installedPath) {
     core.info(`Found uv in tool-cache for ${toolCacheResult.version}`);
@@ -142,36 +141,34 @@ async function setupUv(
     };
   }
 
-  const downloadVersionResult =
+  const downloadResult = await downloadVersion(
-    manifestFile !== undefined
+    platform,
-      ? await downloadVersionFromManifest(
+    arch,
-          manifestFile,
+    resolvedVersion,
-          platform,
+    checkSum,
-          arch,
+    githubToken,
-          resolvedVersion,
+    manifestFile,
-          checkSum,
+  );
-          githubToken,
-        )
-      : await downloadVersionFromNdjson(
-          platform,
-          arch,
-          resolvedVersion,
-          checkSum,
-          githubToken,
-        );
 
   return {
-    uvDir: downloadVersionResult.cachedToolDir,
+    uvDir: downloadResult.cachedToolDir,
-    version: downloadVersionResult.version,
+    version: downloadResult.version,
   };
 }
 
-async function determineVersion(
+async function determineVersion(): Promise<string> {
-  manifestFile: string | undefined,
+  return await resolveVersion(
-): Promise<string> {
+    getRequestedVersion(),
+    manifestFile,
+    resolutionStrategy,
+  );
+}
+
+function getRequestedVersion(): string {
   if (versionInput !== "") {
-    return await resolveVersion(versionInput, manifestFile, resolutionStrategy);
+    return versionInput;
   }
+
   if (versionFileInput !== "") {
     const versionFromFile = getUvVersionFromFile(versionFileInput);
     if (versionFromFile === undefined) {
@@ -179,28 +176,23 @@ async function determineVersion(
         `Could not determine uv version from file: ${versionFileInput}`,
       );
     }
-    return await resolveVersion(
+    return versionFromFile;
-      versionFromFile,
-      manifestFile,
-      resolutionStrategy,
-    );
   }
+
   const versionFromUvToml = getUvVersionFromFile(
     `${workingDirectory}${path.sep}uv.toml`,
   );
   const versionFromPyproject = getUvVersionFromFile(
     `${workingDirectory}${path.sep}pyproject.toml`,
   );
+
   if (versionFromUvToml === undefined && versionFromPyproject === undefined) {
     core.info(
       "Could not determine uv version from uv.toml or pyproject.toml. Falling back to latest.",
     );
   }
-  return await resolveVersion(
+
-    versionFromUvToml || versionFromPyproject || "latest",
+  return versionFromUvToml || versionFromPyproject || "latest";
-    manifestFile,
-    resolutionStrategy,
-  );
 }
 
 function addUvToPathAndOutput(cachedPath: string): void {

src/update-known-checksums.ts

@@ -6,10 +6,10 @@ import {
   updateChecksums,
 } from "./download/checksum/update-known-checksums";
 import {
-  fetchVersionData,
+  fetchManifest,
   getLatestVersion,
-  type NdjsonVersion,
+  type ManifestVersion,
-} from "./download/versions-client";
+} from "./download/manifest";
 
 const VERSION_IN_CHECKSUM_KEY_PATTERN =
   /-(\d+\.\d+\.\d+(?:[-+][0-9A-Za-z.-]+)?)$/;
@@ -32,8 +32,8 @@ async function run(): Promise<void> {
     return;
   }
 
-  const versions = await fetchVersionData();
+  const versions = await fetchManifest();
-  const checksumEntries = extractChecksumsFromNdjson(versions);
+  const checksumEntries = extractChecksumsFromManifest(versions);
   await updateChecksums(checksumFilePath, checksumEntries);
 
   core.setOutput("latest-version", latestVersion);
@@ -61,8 +61,8 @@ function extractVersionFromChecksumKey(key: string): string | undefined {
   return key.match(VERSION_IN_CHECKSUM_KEY_PATTERN)?.[1];
 }
 
-function extractChecksumsFromNdjson(
+function extractChecksumsFromManifest(
-  versions: NdjsonVersion[],
+  versions: ManifestVersion[],
 ): ChecksumEntry[] {
   const checksums: ChecksumEntry[] = [];
 

src/utils/constants.ts

@@ -1,7 +1,7 @@
 export const TOOL_CACHE_NAME = "uv";
 export const STATE_UV_PATH = "uv-path";
 export const STATE_UV_VERSION = "uv-version";
-export const VERSIONS_NDJSON_URL =
+export const VERSIONS_MANIFEST_URL =
   "https://raw.githubusercontent.com/astral-sh/versions/main/v1/uv.ndjson";
 
 /** GitHub Releases URL prefix for uv artifacts. */