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Download uv from releases.astral.sh instead of GitHub releases #524

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Merged
edmorley merged 1 commit into from
Mar 12, 2026
Merged

Download uv from releases.astral.sh instead of GitHub releases #524

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Changed

- Updated uv from 0.10.7 to 0.10.9. ([#523](https://github.com/heroku/buildpacks-python/pull/523))
- Switched to downloading uv from `releases.astral.sh` instead of GitHub releases. ([#524](https://github.com/heroku/buildpacks-python/pull/524))

## [6.0.1] - 2026-03-03

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8 changes: 4 additions & 4 deletions src/errors.rs
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Expand Up @@ -516,15 +516,15 @@ fn on_uv_layer_error(error: UvLayerError) {
DownloadUnpackArchiveError::Request(ureq_error) => log_error(
"Unable to download uv",
formatdoc! {"
An error occurred while downloading uv from GitHub.
An error occurred while downloading uv from Astral's website.

In some cases, this happens due to a temporary issue with
the network connection or GitHub's API/CDN.
the network connection or Astral's CDN, Cloudflare.

Try building again to see if the error resolves itself.

If that doesn't help, check the status of GitHub here:
https://www.githubstatus.com
If that doesn't help, check the status of Cloudflare here:
https://www.cloudflarestatus.com

Details: {ureq_error}
"},
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2 changes: 1 addition & 1 deletion src/layers/uv.rs
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Expand Up @@ -87,7 +87,7 @@ pub(crate) fn install_uv(
// 1. It's currently slower than the glibc variant: https://github.com/astral-sh/uv/issues/10610
// 2. At the moment this buildpack only supports Ubuntu anyway (we only compile Python runtimes for Ubuntu).
let archive_url = format!(
"https://github.com/astral-sh/uv/releases/download/{UV_VERSION}/uv-{ARCH}-unknown-linux-gnu.tar.gz"
"https://releases.astral.sh/github/uv/releases/download/{UV_VERSION}/uv-{ARCH}-unknown-linux-gnu.tar.gz"
);
let layer_bin_dir = layer.path().join("bin");
utils::download_and_unpack_nested_gzip_archive(&archive_url, &layer_bin_dir, 1)
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