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Merge pull request #4676 from bjornfor/fix-fetchgit-ref-head

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fetchGit: don't prefix "refs/heads/" on ref = "HEAD"
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Eelco Dolstra 2021-03-30 12:07:05 +02:00 committed by GitHub
parent 3ab5e8a391 f2a799b16d
commit e7810665a7
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2 changed files with 13 additions and 1 deletions
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2
src/libfetchers/git.cc
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@ -364,6 +364,8 @@ struct GitInputScheme : InputScheme
auto fetchRef = allRefs
? "refs/*"
: ref->compare(0, 5, "refs/") == 0
? *ref
: ref == "HEAD"
? *ref
: "refs/heads/" + *ref;
runProgram("git", true, { "-C", repoDir, "fetch", "--quiet", "--force", "--", actualUrl, fmt("%s:%s", fetchRef, fetchRef) });

10
tests/fetchGit.sh
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@ -179,3 +179,13 @@ git clone --depth 1 file://$repo $TEST_ROOT/shallow
path6=$(nix eval --impure --raw --expr "(builtins.fetchTree { type = \"git\"; url = \"file://$TEST_ROOT/shallow\"; ref = \"dev\"; shallow = true; }).outPath")
[[ $path3 = $path6 ]]
[[ $(nix eval --impure --expr "(builtins.fetchTree { type = \"git\"; url = \"file://$TEST_ROOT/shallow\"; ref = \"dev\"; shallow = true; }).revCount or 123") == 123 ]]
# Explicit ref = "HEAD" should work, and produce the same outPath as without ref
path7=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).outPath")
path8=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; }).outPath")
[[ $path7 = $path8 ]]
# ref = "HEAD" should fetch the HEAD revision
rev4=$(git -C $repo rev-parse HEAD)
rev4_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).rev")
[[ $rev4 = $rev4_nix ]]