Gitea Actions action download 404 (gitea.com) in CI

Gitea fetched the action from the configured source and got HTTP 404. The action name, owner, or tag does not exist at that source, so the download URL points at nothing.

What this error means

A run fails while downloading an action with a 404 for a URL under the configured actions host (such as https://gitea.com/...). The reference is wrong for that source.

failed to download action: unexpected status code 404 for
https://gitea.com/actions/setup-go/archive/v5.tar.gz

Common causes

The action is not mirrored at the configured source

DEFAULT_ACTIONS_URL points at gitea.com (or a mirror) that does not host that owner/action, so the archive URL 404s.

A wrong owner, name, or tag in uses

A typo or a nonexistent tag builds a download URL that no source can satisfy.

How to fix it

Correct the uses reference or its source

1. Confirm the action owner/name and tag exist at the configured source.
2. Either fix uses: to a real reference, or switch DEFAULT_ACTIONS_URL to a source that hosts it.
3. Re-run and confirm the archive downloads.

# reference a tag that exists at the configured source
- uses: actions/setup-go@v5

Point uses at a full URL when mixing sources

Gitea supports absolute action URLs, so you can pull a specific action from a host that actually has it.

- uses: https://github.com/actions/setup-go@v5

How to prevent it

• Keep uses references consistent with the configured actions source.
• Mirror the exact tags your workflows reference.
• Prefer pinned tags that you have verified exist at the source.

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