[PATCH] git-mv: special case destination "."

[Johannes Schindelin <Johannes.Schindelin@gmx.de>]

Since the normalized basename of "." is "", the check for directory
failed erroneously.

Noticed by Fredrik Kuivinen.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

---

	> Subject: Re: Another git-mv bug

	... and another fix.

	On Fri, 18 Aug 2006, Fredrik Kuivinen wrote:

	> In a Git repository:
	> 
	>     $ git mv templates/info--exclude .
	>     fatal: renaming templates/info--exclude failed: No such file or directory

 builtin-mv.c  |    5 ++++-
 t/t7001-mv.sh |    4 ++++
 2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/builtin-mv.c b/builtin-mv.c
index c0c8764..b2ecc26 100644
--- a/builtin-mv.c
+++ b/builtin-mv.c
@@ -114,7 +114,10 @@ int cmd_mv(int argc, const char **argv, 
 	modes = xcalloc(count, sizeof(enum update_mode));
 	dest_path = copy_pathspec(prefix, argv + argc - 1, 1, 0);
 
-	if (!lstat(dest_path[0], &st) &&
+	if (dest_path[0][0] == '\0')
+		/* special case: "." was normalized to "" */
+		destination = copy_pathspec(dest_path[0], argv + i, count, 1);
+	else if (!lstat(dest_path[0], &st) &&
 			S_ISDIR(st.st_mode)) {
 		dest_path[0] = add_slash(dest_path[0]);
 		destination = copy_pathspec(dest_path[0], argv + i, count, 1);
diff --git a/t/t7001-mv.sh b/t/t7001-mv.sh
index e5e0bb9..b7fcdb3 100755
--- a/t/t7001-mv.sh
+++ b/t/t7001-mv.sh
@@ -82,4 +82,8 @@ test_expect_failure \
     'do not move directory over existing directory' \
     'mkdir path0 && mkdir path0/path2 && git-mv path2 path0'
 
+test_expect_success \
+    'move into "."' \
+    'git-mv path1/path2/ .'
+
 test_done
-- 
1.4.2.ge0502-dirty