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Merge branch 'kn/git-cd-to-empty'

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"git -C '' subcmd" refused to work in the current directory, unlike
"cd ''" which silently behaves as a no-op.

* kn/git-cd-to-empty:
  git: treat "git -C '<path>'" as a no-op when <path> is empty
This commit is contained in:
Junio C Hamano 2015-03-20 13:11:46 -07:00
parent f57610a1ff 6a536e2076
commit d6c988ddfa
2 changed files with 16 additions and 4 deletions
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10
git.c
View file

@ -204,10 +204,12 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
fprintf(stderr, "No directory given for -C.\n" );
usage(git_usage_string);
}
if (chdir((*argv)[1]))
die_errno("Cannot change to '%s'", (*argv)[1]);
if (envchanged)
*envchanged = 1;
if ((*argv)[1][0]) {
if (chdir((*argv)[1]))
die_errno("Cannot change to '%s'", (*argv)[1]);
if (envchanged)
*envchanged = 1;
}
(*argv)++;
(*argc)--;
} else {

10
t/t0056-git-C.sh
View file

@ -14,6 +14,16 @@ test_expect_success '"git -C <path>" runs git from the directory <path>' '
test_cmp expected actual
'
test_expect_success '"git -C <path>" with an empty <path> is a no-op' '
(
mkdir -p dir1/subdir &&
cd dir1/subdir &&
git -C "" rev-parse --show-prefix >actual &&
echo subdir/ >expect &&
test_cmp expect actual
)
'
test_expect_success 'Multiple -C options: "-C dir1 -C dir2" is equivalent to "-C dir1/dir2"' '
test_create_repo dir1/dir2 &&
echo 1 >dir1/dir2/b.txt &&