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mv: cleanup empty WORKING_DIRECTORY 

Originally, moving from-in-to-out may leave an empty <source>
directory on-disk (this kind of directory is marked as
WORKING_DIRECTORY).

Cleanup such directories if they are empty (don't have any entries
under them).

Modify two tests that take <source> as WORKING_DIRECTORY to test
this behavior.

Suggested-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Shaoxuan Yuan <shaoxuan.yuan02@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Shaoxuan Yuan 2022-08-09 20:09:08 +08:00 committed by Junio C Hamano
parent 5784db1b22
commit b6f51e3db9
2 changed files with 31 additions and 0 deletions
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27
builtin/mv.c
View File

@ -171,6 +171,9 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
};
const char **source, **destination, **dest_path, **submodule_gitfile;
const char *dst_w_slash;
const char **src_dir = NULL;
int src_dir_nr = 0, src_dir_alloc = 0;
struct strbuf a_src_dir = STRBUF_INIT;
enum update_mode *modes, dst_mode = 0;
struct stat st;
struct string_list src_for_dst = STRING_LIST_INIT_NODUP;
@ -313,6 +316,10 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
/* last - first >= 1 */
modes[i] |= WORKING_DIRECTORY;
ALLOC_GROW(src_dir, src_dir_nr + 1, src_dir_alloc);
src_dir[src_dir_nr++] = src;
n = argc + last - first;
REALLOC_ARRAY(source, n);
REALLOC_ARRAY(destination, n);
@ -505,6 +512,26 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
}
}
/*
* cleanup the empty src_dirs
*/
for (i = 0; i < src_dir_nr; i++) {
int dummy;
strbuf_addstr(&a_src_dir, src_dir[i]);
/*
* if entries under a_src_dir are all moved away,
* recursively remove a_src_dir to cleanup
*/
if (index_range_of_same_dir(a_src_dir.buf, a_src_dir.len,
&dummy, &dummy) < 1) {
remove_dir_recursively(&a_src_dir, 0);
}
strbuf_reset(&a_src_dir);
}
strbuf_release(&a_src_dir);
free(src_dir);
if (gitmodules_modified)
stage_updated_gitmodules(&the_index);

4
t/t7002-mv-sparse-checkout.sh
View File

@ -442,6 +442,7 @@ test_expect_success 'move dirty path from in-cone to out-of-cone' '
test_expect_success 'move dir from in-cone to out-of-cone' '
test_when_finished "cleanup_sparse_checkout" &&
setup_sparse_checkout &&
mkdir sub/dir/deep &&
test_must_fail git mv sub/dir folder1 2>stderr &&
cat sparse_error_header >expect &&
@ -452,6 +453,7 @@ test_expect_success 'move dir from in-cone to out-of-cone' '
git mv --sparse sub/dir folder1 2>stderr &&
test_must_be_empty stderr &&
test_path_is_missing sub/dir &&
test_path_is_missing folder1 &&
git ls-files -t >actual &&
! grep "H sub/dir/e" actual &&
@ -461,6 +463,7 @@ test_expect_success 'move dir from in-cone to out-of-cone' '
test_expect_success 'move partially-dirty dir from in-cone to out-of-cone' '
test_when_finished "cleanup_sparse_checkout" &&
setup_sparse_checkout &&
mkdir sub/dir/deep &&
touch sub/dir/e2 sub/dir/e3 &&
git add sub/dir/e2 sub/dir/e3 &&
echo "modified" >>sub/dir/e2 &&
@ -476,6 +479,7 @@ test_expect_success 'move partially-dirty dir from in-cone to out-of-cone' '
git mv --sparse sub/dir folder1 2>stderr &&
test_path_is_missing sub/dir &&
test_path_is_missing folder1/dir/e &&
test_path_is_file folder1/dir/e2 &&
test_path_is_file folder1/dir/e3 &&