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Merge pull request #5758 from mschwaig/fix-git-workspace-dirty-detection

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git fetcher: fix detection of dirty git workspaces
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Théophane Hufschmitt 2022-03-11 09:35:01 +01:00 • committed by GitHub
commit 7ebd6f1093
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2 changed files with 60 additions and 15 deletions
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23
tests/fetchGit.sh
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@ -11,7 +11,7 @@ repo=$TEST_ROOT/git
export _NIX_FORCE_HTTP=1
rm -rf $repo ${repo}-tmp $TEST_HOME/.cache/nix $TEST_ROOT/worktree $TEST_ROOT/shallow
rm -rf $repo ${repo}-tmp $TEST_HOME/.cache/nix $TEST_ROOT/worktree $TEST_ROOT/shallow $TEST_ROOT/minimal
git init $repo
git -C $repo config user.email "foobar@example.com"
@ -147,8 +147,13 @@ path3=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath")
# (check dirty-tree handling was used)
[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]]
[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).shortRev") = 0000000 ]]
# Making a dirty tree clean again and fetching it should
# record correct revision information. See: #4140
echo world > $repo/hello
[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = $rev2 ]]
# Committing shouldn't change store path, or switch to using 'master'
echo dev > $repo/hello
git -C $repo commit -m 'Bla5' -a
path4=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath")
[[ $(cat $path4/hello) = dev ]]
@ -170,6 +175,14 @@ NIX=$(command -v nix)
path5=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
[[ $path3 = $path5 ]]
# Fetching from a repo with only a specific revision and no branches should
# not fall back to copying files and record correct revision information. See: #5302
mkdir $TEST_ROOT/minimal
git -C $TEST_ROOT/minimal init
git -C $TEST_ROOT/minimal fetch $repo $rev2
git -C $TEST_ROOT/minimal checkout $rev2
[[ $(nix eval --impure --raw --expr "(builtins.fetchGit { url = $TEST_ROOT/minimal; }).rev") = $rev2 ]]
# Fetching a shallow repo shouldn't work by default, because we can't
# return a revCount.
git clone --depth 1 file://$repo $TEST_ROOT/shallow
@ -193,3 +206,11 @@ rev4_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$
# The name argument should be handled
path9=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; name = \"foo\"; }).outPath")
[[ $path9 =~ -foo$ ]]
# should fail if there is no repo
rm -rf $repo/.git
(! nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath")
# should succeed for a repo without commits
git init $repo
path10=$(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath")