forked from lix-project/lix
24 lines
830 B
Markdown
24 lines
830 B
Markdown
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---
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synopsis: restore backwards-compatibility of `builtins.fetchGit` with Nix 2.3
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issues: [5291, 5128]
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credits: [ma27]
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category: Fixes
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---
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Compatibility with `builtins.fetchGit` from Nix 2.3 has been restored as follows:
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* Until now, each `ref` was prefixed with `refs/heads` unless it starts with `refs/` itself.
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Now, this is not done if the `ref` looks like a commit hash.
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* Specifying `builtins.fetchGit { ref = "a-tag"; /* … */ }` was broken because `refs/heads` was appended.
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Now, the fetcher doesn't turn a ref into `refs/heads/ref`, but into `refs/*/ref`. That way,
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the value in `ref` can be either a tag or a branch.
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* The ref resolution happens the same way as in git:
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* If `refs/ref` exists, it's used.
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* If a tag `refs/tags/ref` exists, it's used.
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* If a branch `refs/heads/ref` exists, it's used.
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