fsck: detect more in-tree d/f conflicts

If the conflict candidate file name from the top of the stack is not a
prefix of the current candiate directory then we can discard it as no
matching directory can come up later.  But we are not done checking the
candidate directory -- the stack might still hold a matching file name,
so stay in the loop and check the next candidate file name.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/fsck.c b/fsck.c
index bc71b0f..2095491 100644 (file)
--- a/fsck.c
+++ b/fsck.c
@@ -620,7 +620,7 @@ static int verify_ordered(unsigned mode1, const char *name1,
                        if (!f_name)
                                break;
                        if (!skip_prefix(name2, f_name, &p))
-                               break;
+                               continue;
                        if (!*p)
                                return TREE_HAS_DUPS;
                        if (is_less_than_slash(*p)) {

diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index 7e70a25..6555a62 100755 (executable)
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -261,7 +261,7 @@ check_duplicate_names () {
 
 check_duplicate_names success x x.1 x/
 check_duplicate_names success x x.1.2 x.1/ x/
-check_duplicate_names failure x x.1 x.1.2 x/
+check_duplicate_names success x x.1 x.1.2 x/
 
 test_expect_success 'unparseable tree object' '
        test_oid_cache <<-\EOF &&