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Merge pull request #14673 from NixOS/backport-14672-to-2.32-maintenance

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[Backport 2.32-maintenance] libfetchers: Fix fetchGit with ref = "HEAD"
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internal-nix-ci[bot] 2025-11-30 02:13:00 +00:00 • committed by GitHub
commit bd0522c15b
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2 changed files with 5 additions and 1 deletions
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2
src/libfetchers/git.cc
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@ -682,7 +682,7 @@ struct GitInputScheme : InputScheme
auto fetchRef = getAllRefsAttr(input) ? "refs/*:refs/*"
: input.getRev() ? input.getRev()->gitRev()
: ref.compare(0, 5, "refs/") == 0 ? fmt("%1%:%1%", ref)
: ref == "HEAD" ? ref
: ref == "HEAD" ? "HEAD:HEAD"
: fmt("%1%:%1%", "refs/heads/" + ref);
repo->fetch(repoUrl.to_string(), fetchRef, shallow);

4
tests/functional/fetchGit.sh
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@ -228,6 +228,10 @@ path8=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$rep
rev4=$(git -C "$repo" rev-parse HEAD)
rev4_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).rev")
[[ $rev4 = "$rev4_nix" ]]
export _NIX_FORCE_HTTP=1
rev4_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).rev")
[[ $rev4 = "$rev4_nix" ]]
unset _NIX_FORCE_HTTP
# The name argument should be handled
path9=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; name = \"foo\"; }).outPath")