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t: expand tests around sparse merges and clean

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With the current implementation of 'git sparse-checkout clean', we
notice that a file that was in a conflicted state does not get cleaned
up because of some internal details around the SKIP_WORKTREE bit.

This test is documenting the current behavior before we update it in the
following change.

Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee
2025-09-12 10:30:11 +00:00
committed by Junio C Hamano
parent 66c11bd46a
commit 592d2a93af
1 changed files with 34 additions and 22 deletions
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56
t/t1091-sparse-checkout-builtin.sh
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@@ -1183,35 +1183,47 @@ test_expect_success 'clean with sparse file states' '
test_must_be_empty out
'
test_expect_success 'clean with merge conflict status' '
git clone repo clean-merge &&
test_expect_success 'sparse-checkout operations with merge conflicts' '
git clone repo merge &&
echo dirty >clean-merge/deep/deeper2/a &&
touch clean-merge/folder2/extra &&
(
cd merge &&
mkdir -p folder1/even/more/dirs &&
echo base >folder1/even/more/dirs/file &&
git add folder1 &&
git commit -m "base" &&
cat >input <<-EOF &&
0 $ZERO_OID folder1/a
100644 $(git -C clean-merge rev-parse HEAD:folder1/a) 1 folder1/a
EOF
git -C clean-merge update-index --index-info <input &&
git checkout -b right&&
echo right >folder1/even/more/dirs/file &&
git commit -a -m "right" &&
git -C clean-merge sparse-checkout set deep/deeper1 &&
git checkout -b left HEAD~1 &&
echo left >folder1/even/more/dirs/file &&
git commit -a -m "left" &&
test_must_fail git -C clean-merge sparse-checkout clean -f 2>err &&
grep "failed to convert index to a sparse index" err &&
git checkout -b merge &&
git sparse-checkout set deep/deeper1 &&
mkdir -p clean-merge/folder1/ &&
echo merged >clean-merge/folder1/a &&
git -C clean-merge add --sparse folder1/a &&
test_must_fail git merge -m "will-conflict" right &&
# deletes folder2/ but leaves staged change in folder1
# and dirty change in deep/deeper2/
cat >expect <<-\EOF &&
Removing folder2/
EOF
test_must_fail git sparse-checkout clean -f 2>err &&
grep "failed to convert index to a sparse index" err &&
git -C clean-merge sparse-checkout clean -f >out &&
test_cmp expect out
echo merged >folder1/even/more/dirs/file &&
git add --sparse folder1 &&
git merge --continue &&
test_path_exists folder1/even/more/dirs/file &&
# clean does not remove the file, because the
# SKIP_WORKTREE bit was not cleared by the merge command.
git sparse-checkout clean -f >out &&
test_line_count = 0 out &&
test_path_exists folder1/even/more/dirs/file &&
git sparse-checkout reapply &&
test_path_is_missing folder1
)
'
test_done