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Fetch uv from Astral's mirror by default (#809)

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This PR tries fetching the uv artifact from `releases.astral.sh` by
default, only in cases where the artifact would otherwise have come from
`https://github.com/astral-sh/uv/releases/download/`. The checksums are
supposed to be the same for the mirror, and can still come from
`raw.githubusercontent.com/astral-sh/versions`. If the download fails,
we fall back to the original URL.

This avoids hitting GitHub's Releases API which is prone to rate
limiting. As far as I can tell, together with
https://github.com/astral-sh/setup-uv/pull/802 this PR makes a github
token entirely unnecessary for this action.


Towards https://github.com/astral-sh/uv/issues/18503.
This commit is contained in:
Zsolt Dollenstein
2026-03-16 12:38:17 +00:00
committed by GitHub
parent 9f00d186ce
commit 37802adc94
4 changed files with 228 additions and 20 deletions
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47
dist/setup/index.cjs generated vendored
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@@ -91887,6 +91887,8 @@ 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 GITHUB_RELEASES_PREFIX = "https://github.com/astral-sh/uv/releases/download/";
var ASTRAL_MIRROR_PREFIX = "https://releases.astral.sh/github/uv/releases/download/";
// src/download/checksum/checksum.ts
var crypto6 = __toESM(require("node:crypto"), 1);
@@ -96658,15 +96660,42 @@ async function downloadVersionFromNdjson(platform2, arch3, version4, checkSum2,
`Could not find artifact for version ${version4}, arch ${arch3}, platform ${platform2} in ${VERSIONS_NDJSON_URL} .`
);
}
return await downloadVersion(
artifact.url,
`uv-${arch3}-${platform2}`,
platform2,
arch3,
version4,
checkSum2,
githubToken2
);
const mirrorUrl = rewriteToMirror(artifact.url);
const downloadUrl = mirrorUrl ?? artifact.url;
const downloadToken = mirrorUrl !== void 0 ? void 0 : githubToken2;
try {
return await downloadVersion(
downloadUrl,
`uv-${arch3}-${platform2}`,
platform2,
arch3,
version4,
checkSum2,
downloadToken
);
} catch (err) {
if (mirrorUrl === void 0) {
throw err;
}
warning(
`Failed to download from mirror, falling back to GitHub Releases: ${err.message}`
);
return await downloadVersion(
artifact.url,
`uv-${arch3}-${platform2}`,
platform2,
arch3,
version4,
checkSum2,
githubToken2
);
}
}
function rewriteToMirror(url2) {
if (!url2.startsWith(GITHUB_RELEASES_PREFIX)) {
return void 0;
}
return ASTRAL_MIRROR_PREFIX + url2.slice(GITHUB_RELEASES_PREFIX.length);
}
async function downloadVersionFromManifest(manifestUrl, platform2, arch3, version4, checkSum2, githubToken2) {
const artifact = await getManifestArtifact(