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add: skip tracked paths outside sparse-checkout cone

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When 'git add' adds a tracked file that is outside of the
sparse-checkout cone, it checks the SKIP_WORKTREE bit to see if the file
exists outside of the sparse-checkout cone. This is usually correct,
except in the case of a merge conflict outside of the cone.

Modify add_pathspec_matched_against_index() to be more careful about
paths by checking the sparse-checkout patterns in addition to the
SKIP_WORKTREE bit. This causes 'git add' to no longer allow files
outside of the cone that removed the SKIP_WORKTREE bit due to a merge
conflict.

With only this change, users will only be able to add the file after
adding the file to the sparse-checkout cone. A later change will allow
users to force adding even though the file is outside of the
sparse-checkout cone.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee
2021-09-24 15:39:07 +00:00
committed by Junio C Hamano
parent 105e8b014b
commit 49fdd51a23
5 changed files with 34 additions and 10 deletions
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12
t/t3705-add-sparse-checkout.sh
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@ -158,6 +158,18 @@ test_expect_success 'do not warn when pathspec matches dense entries' '
git ls-files --error-unmatch dense_entry
'
test_expect_success 'git add fails outside of sparse-checkout definition' '
test_when_finished git sparse-checkout disable &&
test_commit a &&
git sparse-checkout init &&
git sparse-checkout set a &&
echo >>sparse_entry &&
git update-index --no-skip-worktree sparse_entry &&
test_must_fail git add sparse_entry &&
test_sparse_entry_unstaged
'
test_expect_success 'add obeys advice.updateSparsePath' '
setup_sparse_entry &&
test_must_fail git -c advice.updateSparsePath=false add sparse_entry 2>stderr &&