git-fsck-cache: be stricter about "tree" objects

In particular, warn about things like zero-padding of the mode bits,
which is a big no-no, since it makes otherwise identical trees have
different representations (and thus different SHA1 numbers).

Also make the warnings more regular.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/tree.c b/tree.c
index dabc2e7a2c..8f490b8984 100644
--- a/tree.c
+++ b/tree.c
@@ -167,6 +167,7 @@ int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size)
 		entry->directory = S_ISDIR(mode) != 0;
 		entry->executable = (mode & S_IXUSR) != 0;
 		entry->symlink = S_ISLNK(mode) != 0;
+		entry->zeropad = *(char *)bufptr == '0';
 		entry->mode = mode;
 		entry->next = NULL;