fsck: handle bad trees like other errors

Instead of dying when fsck hits a malformed tree object, log the error
like any other and continue.  Now fsck can tell the user which tree is
bad, too.

Signed-off-by: David Turner <dturner@twosigma.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/tree-walk.h b/tree-walk.h
index 97a7d6957e..68bb78b928 100644
--- a/tree-walk.h
+++ b/tree-walk.h
@@ -25,14 +25,22 @@ static inline int tree_entry_len(const struct name_entry *ne)
 	return (const char *)ne->oid - ne->path - 1;
 }
 
+/*
+ * The _gently versions of these functions warn and return false on a
+ * corrupt tree entry rather than dying,
+ */
+
 void update_tree_entry(struct tree_desc *);
+int update_tree_entry_gently(struct tree_desc *);
 void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size);
+int init_tree_desc_gently(struct tree_desc *desc, const void *buf, unsigned long size);
 
 /*
  * Helper function that does both tree_entry_extract() and update_tree_entry()
  * and returns true for success
  */
 int tree_entry(struct tree_desc *, struct name_entry *);
+int tree_entry_gently(struct tree_desc *, struct name_entry *);
 
 void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);