adjust_shared_perm: chmod() only when needed.
When widening permission for files and directories in a 'shared'
repository for a user with inappropriate umask() setting for
shared work, make sure we call chmod() only when we actually
need to.
The primary idea owes credit to Johannes.
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/path.c b/path.c
index bb89fb0..d2c076d 100644
--- a/path.c
+++ b/path.c
@@ -279,7 +279,7 @@
: 0));
if (S_ISDIR(mode))
mode |= S_ISGID;
- if (chmod(path, mode) < 0)
+ if ((mode & st.st_mode) != mode && chmod(path, mode) < 0)
return -2;
return 0;
}
