Commit 6a536e20 authored by karthik nayak's avatar karthik nayak Committed by Junio C Hamano

git: treat "git -C '<path>'" as a no-op when <path> is empty

'git -C ""' unhelpfully dies with error "Cannot change to ''",
whereas the shell treats `cd ""' as a no-op.  Taking the shell's
behavior as a precedent, teach git to treat `-C ""' as a no-op, as
Helped-by: default avatarJunio C Hamano <>
Helped-by: Eric Sunshine's avatarEric Sunshine <>
Signed-off-by: karthik nayak's avatarKarthik Nayak <>
Signed-off-by: default avatarJunio C Hamano <>
parent 9874fca7
......@@ -204,10 +204,12 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
fprintf(stderr, "No directory given for -C.\n" );
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;
} else {
......@@ -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 &&
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