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git fetcher: use resolveRef for getting revision of reference

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* Add regression test
* Fix 'no repo' test so it doesn't succeed if the data is still in cache
* Use git_revparse_single inside git-utils instead of reimplementing the same logic.
This commit is contained in:
Bouke van der Bijl 2024-03-14 14:04:51 +01:00
parent c152c2767a
commit 60c2d15f5a
3 changed files with 14 additions and 21 deletions
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9
tests/functional/fetchGit.sh
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@ -43,10 +43,18 @@ path0_=$(nix eval --impure --raw --expr "(builtins.fetchTree git+file://$TEST_RO
export _NIX_FORCE_HTTP=1
[[ $(tail -n 1 $path0/hello) = "hello" ]]
# Nuke the cache
rm -rf $TEST_HOME/.cache/nix
# Fetch the default branch.
path=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath")
[[ $(cat $path/hello) = world ]]
# Fetch when the cache has packed-refs
# Regression test of #8822
git -C $TEST_HOME/.cache/nix/gitv3/*/ pack-refs --all
path=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath")
# Fetch a rev from another branch
git -C $repo checkout -b devtest
echo "different file" >> $TEST_ROOT/git/differentbranch
@ -251,6 +259,7 @@ path12=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = file://$repo
# should fail if there is no repo
rm -rf $repo/.git
rm -rf $TEST_HOME/.cache/nix
(! nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath")
# should succeed for a repo without commits