git-commit-vandalism/t/t2205-add-worktree-config.sh
Goss Geppert 27128996b8 dir: traverse into repository
Since 8d92fb2927 (dir: replace exponential algorithm with a linear one,
2020-04-01) traversing into a repository's directory tree when the
traversal began outside the repository's standard location has failed
because the encountered repository was identified as a nested foreign
repository.

Prior to this commit, the failure to traverse into a repository's
default worktree location was observable from a user's perspective under
either of the following conditions (there may be others):

    1) Set the `core.worktree` location to a parent directory of the
       default worktree; or
    2) Use the `--git_dir` option while the working directory is outside
       the repository's default worktree location

Under either of these conditions, symptoms of the failure to traverse
into the repository's default worktree location include the inability to
add files to the index or get a list of untracked files via ls-files.

This commit adds a check to determine whether a nested repository that
is encountered in recursing a path is actually `the_repository`.  If so,
we simply treat the directory as if it doesn't contain a nested
repository.

The commit includes test-cases to reduce the likelihood of future
regressions.

Signed-off-by: Goss Geppert <ggossdev@gmail.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-06-21 22:47:33 -07:00

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#!/bin/sh
test_description='directory traversal respects user config
This test verifies the traversal of the directory tree when the traversal begins
outside the repository. Two instances for which this can occur are tested:
1) The user manually sets the worktree. For this instance, the test sets
the worktree two levels above the `.git` directory and checks whether we
are able to add to the index those files that are in either (1) the
manually configured worktree directory or (2) the standard worktree
location with respect to the `.git` directory (i.e. ensuring that the
encountered `.git` directory is not treated as belonging to a foreign
nested repository).
2) The user manually sets the `git_dir` while the working directory is
outside the repository. The test checks that files inside the
repository can be added to the index.
'
. ./test-lib.sh
test_expect_success '1a: setup--config worktree' '
mkdir test1 &&
(
cd test1 &&
test_create_repo repo &&
git --git-dir="repo/.git" config core.worktree "$(pwd)" &&
mkdir -p outside-tracked outside-untracked &&
mkdir -p repo/inside-tracked repo/inside-untracked &&
>file-tracked &&
>file-untracked &&
>outside-tracked/file &&
>outside-untracked/file &&
>repo/file-tracked &&
>repo/file-untracked &&
>repo/inside-tracked/file &&
>repo/inside-untracked/file &&
cat >expect-tracked-unsorted <<-EOF &&
../file-tracked
../outside-tracked/file
file-tracked
inside-tracked/file
EOF
cat >expect-untracked-unsorted <<-EOF &&
../file-untracked
../outside-untracked/file
file-untracked
inside-untracked/file
EOF
cat >expect-all-dir-unsorted <<-EOF &&
../file-untracked
../file-tracked
../outside-untracked/
../outside-tracked/
./
EOF
cat expect-tracked-unsorted expect-untracked-unsorted >expect-all-unsorted &&
cat >.gitignore <<-EOF
.gitignore
actual-*
expect-*
EOF
)
'
test_expect_success '1b: pre-add all' '
(
cd test1 &&
local parent_dir="$(pwd)" &&
git -C repo ls-files -o --exclude-standard "$parent_dir" >actual-all-unsorted &&
sort actual-all-unsorted >actual-all &&
sort expect-all-unsorted >expect-all &&
test_cmp expect-all actual-all
)
'
test_expect_success '1c: pre-add dir all' '
(
cd test1 &&
local parent_dir="$(pwd)" &&
git -C repo ls-files -o --directory --exclude-standard "$parent_dir" >actual-all-dir-unsorted &&
sort actual-all-dir-unsorted >actual-all &&
sort expect-all-dir-unsorted >expect-all &&
test_cmp expect-all actual-all
)
'
test_expect_success '1d: post-add tracked' '
(
cd test1 &&
local parent_dir="$(pwd)" &&
(
cd repo &&
git add file-tracked &&
git add inside-tracked &&
git add ../outside-tracked &&
git add "$parent_dir/file-tracked" &&
git ls-files "$parent_dir" >../actual-tracked-unsorted
) &&
sort actual-tracked-unsorted >actual-tracked &&
sort expect-tracked-unsorted >expect-tracked &&
test_cmp expect-tracked actual-tracked
)
'
test_expect_success '1e: post-add untracked' '
(
cd test1 &&
local parent_dir="$(pwd)" &&
git -C repo ls-files -o --exclude-standard "$parent_dir" >actual-untracked-unsorted &&
sort actual-untracked-unsorted >actual-untracked &&
sort expect-untracked-unsorted >expect-untracked &&
test_cmp expect-untracked actual-untracked
)
'
test_expect_success '2a: setup--set git-dir' '
mkdir test2 &&
(
cd test2 &&
test_create_repo repo &&
# create two foreign repositories that should remain untracked
test_create_repo repo-outside &&
test_create_repo repo/repo-inside &&
mkdir -p repo/inside-tracked repo/inside-untracked &&
>repo/file-tracked &&
>repo/file-untracked &&
>repo/inside-tracked/file &&
>repo/inside-untracked/file &&
>repo-outside/file &&
>repo/repo-inside/file &&
cat >expect-tracked-unsorted <<-EOF &&
repo/file-tracked
repo/inside-tracked/file
EOF
cat >expect-untracked-unsorted <<-EOF &&
repo/file-untracked
repo/inside-untracked/file
repo/repo-inside/
repo-outside/
EOF
cat >expect-all-dir-unsorted <<-EOF &&
repo/
repo-outside/
EOF
cat expect-tracked-unsorted expect-untracked-unsorted >expect-all-unsorted &&
cat >.gitignore <<-EOF
.gitignore
actual-*
expect-*
EOF
)
'
test_expect_success '2b: pre-add all' '
(
cd test2 &&
git --git-dir=repo/.git ls-files -o --exclude-standard >actual-all-unsorted &&
sort actual-all-unsorted >actual-all &&
sort expect-all-unsorted >expect-all &&
test_cmp expect-all actual-all
)
'
test_expect_success '2c: pre-add dir all' '
(
cd test2 &&
git --git-dir=repo/.git ls-files -o --directory --exclude-standard >actual-all-dir-unsorted &&
sort actual-all-dir-unsorted >actual-all &&
sort expect-all-dir-unsorted >expect-all &&
test_cmp expect-all actual-all
)
'
test_expect_success '2d: post-add tracked' '
(
cd test2 &&
git --git-dir=repo/.git add repo/file-tracked &&
git --git-dir=repo/.git add repo/inside-tracked &&
git --git-dir=repo/.git ls-files >actual-tracked-unsorted &&
sort actual-tracked-unsorted >actual-tracked &&
sort expect-tracked-unsorted >expect-tracked &&
test_cmp expect-tracked actual-tracked
)
'
test_expect_success '2e: post-add untracked' '
(
cd test2 &&
git --git-dir=repo/.git ls-files -o --exclude-standard >actual-untracked-unsorted &&
sort actual-untracked-unsorted >actual-untracked &&
sort expect-untracked-unsorted >expect-untracked &&
test_cmp expect-untracked actual-untracked
)
'
test_expect_success '3a: setup--add repo dir' '
mkdir test3 &&
(
cd test3 &&
test_create_repo repo &&
mkdir -p repo/inside-tracked repo/inside-ignored &&
>repo/file-tracked &&
>repo/file-ignored &&
>repo/inside-tracked/file &&
>repo/inside-ignored/file &&
cat >.gitignore <<-EOF &&
.gitignore
actual-*
expect-*
*ignored
EOF
cat >expect-tracked-unsorted <<-EOF &&
repo/file-tracked
repo/inside-tracked/file
EOF
cat >expect-ignored-unsorted <<-EOF
repo/file-ignored
repo/inside-ignored/
.gitignore
actual-ignored-unsorted
expect-ignored-unsorted
expect-tracked-unsorted
EOF
)
'
test_expect_success '3b: ignored' '
(
cd test3 &&
git --git-dir=repo/.git ls-files -io --directory --exclude-standard >actual-ignored-unsorted &&
sort actual-ignored-unsorted >actual-ignored &&
sort expect-ignored-unsorted >expect-ignored &&
test_cmp expect-ignored actual-ignored
)
'
test_expect_success '3c: add repo' '
(
cd test3 &&
git --git-dir=repo/.git add repo &&
git --git-dir=repo/.git ls-files >actual-tracked-unsorted &&
sort actual-tracked-unsorted >actual-tracked &&
sort expect-tracked-unsorted >expect-tracked &&
test_cmp expect-tracked actual-tracked
)
'
test_done