[PATCH] Fix git-fsck-cache segfault on invalid tag

[Frank Sorenson <frank@tuxrocks.com>]

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git-fsck-cache will segfault if a tag contains a non-existent sha1.  This
patch fixes fsck-cache to report the invalid tag and not die.

- ---
commit a6a237ee3f3d2f5d76499b8f32f58057c9b4cd2d
tree ac5d65a040c22194ddcd0706dc5f0b8bb52aef65
parent 5cd4c7b7686d334e341b21d92449349feda3ef65
author Frank Sorenson <frank@tuxrocks.com> Fri, 20 May 2005 00:52:59 -0600
committer Frank Sorenson <frank@tuxrocks.com> Fri, 20 May 2005 00:52:59 -0600

 fsck-cache.c |    4 ++++
 1 files changed, 4 insertions(+)

Index: fsck-cache.c
===================================================================
- --- ca5fef50fb68a3afbb35e1a48ac622f7a964f021/fsck-cache.c  (mode:100644)
+++ ac5d65a040c22194ddcd0706dc5f0b8bb52aef65/fsck-cache.c  (mode:100644)
@@ -315,6 +315,10 @@
 		return;
 
 	obj = lookup_object(sha1);
+	if (!obj) {
+		fprintf(stderr, "invalid tag %s - %s\n", path, hexname);
+		return;
+	}
 	obj->used = 1;
 	mark_reachable(obj, REACHABLE);
 }

Frank
- -- 
Frank Sorenson - KD7TZK
Systems Manager, Computer Science Department
Brigham Young University
frank@tuxrocks.com
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