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t1092: add tests for status/add and sparse files

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Before moving to update 'git status' and 'git add' to work with sparse
indexes, add an explicit test that ensures the sparse-index works the
same as a normal sparse-checkout when the worktree contains directories
and files outside of the sparse cone.

Specifically, 'folder1/a' is a file in our test repo, but 'folder1' is
not in the sparse cone. When 'folder1/a' is modified, the file is not
shown as modified and adding it will fail. This is new behavior as of
a20f704 (add: warn when asked to update SKIP_WORKTREE entries,
2021-04-08). Before that change, these adds would be silently ignored.

Untracked files are fine: adding new files both with 'git add .' and
'git add folder1/' works just as in a full checkout. This may not be
entirely desirable, but we are not intending to change behavior at the
moment, only document it. A future change could alter the behavior to
be more sensible, and this test could be modified to satisfy the new
expected behavior.

Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2021-07-14 13:12:29 +00:00 committed by Junio C Hamano
parent e669ffb2b8
commit bf26c06f12
1 changed files with 38 additions and 0 deletions
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38
t/t1092-sparse-checkout-compatibility.sh
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@ -254,6 +254,44 @@ test_expect_success 'add, commit, checkout' '
test_all_match git checkout -
'
test_expect_success 'status/add: outside sparse cone' '
init_repos &&
# adding a "missing" file outside the cone should fail
test_sparse_match test_must_fail git add folder1/a &&
# folder1 is at HEAD, but outside the sparse cone
run_on_sparse mkdir folder1 &&
cp initial-repo/folder1/a sparse-checkout/folder1/a &&
cp initial-repo/folder1/a sparse-index/folder1/a &&
test_sparse_match git status &&
write_script edit-contents <<-\EOF &&
echo text >>$1
EOF
run_on_sparse ../edit-contents folder1/a &&
run_on_all ../edit-contents folder1/new &&
test_sparse_match git status --porcelain=v2 &&
# This "git add folder1/a" fails with a warning
# in the sparse repos, differing from the full
# repo. This is intentional.
test_sparse_match test_must_fail git add folder1/a &&
test_sparse_match test_must_fail git add --refresh folder1/a &&
test_all_match git status --porcelain=v2 &&
test_all_match git add . &&
test_all_match git status --porcelain=v2 &&
test_all_match git commit -m folder1/new &&
run_on_all ../edit-contents folder1/newer &&
test_all_match git add folder1/ &&
test_all_match git status --porcelain=v2 &&
test_all_match git commit -m folder1/newer
'
test_expect_success 'checkout and reset --hard' '
init_repos &&