Make "fsck-cache" print out all the root commits it finds.

Once I do the reference tracking, I'll also make it print out all the
HEAD commits it finds, which is even more interesting.

diff --git a/fsck-cache.c b/fsck-cache.c
index a01513ed4d4d565911a60981bfb4173311ba3688..ac348b7d5278e9d04e3a1cd417389379c32b014f 100644 (file)
--- a/fsck-cache.c
+++ b/fsck-cache.c
@@ -35,6 +35,7 @@ static int fsck_tree(unsigned char *sha1, void *data, unsigned long size)
 
 static int fsck_commit(unsigned char *sha1, void *data, unsigned long size)
 {
+       int parents;
        unsigned char tree_sha1[20];
        unsigned char parent_sha1[20];
 
@@ -44,12 +45,16 @@ static int fsck_commit(unsigned char *sha1, void *data, unsigned long size)
                return -1;
        mark_needs_sha1(sha1, "tree", tree_sha1);
        data += 5 + 40 + 1;     /* "tree " + <hex sha1> + '\n' */
+       parents = 0;
        while (!memcmp(data, "parent ", 7)) {
                if (get_sha1_hex(data + 7, parent_sha1) < 0)
                        return -1;
                mark_needs_sha1(sha1, "commit", parent_sha1);
                data += 7 + 40 + 1;     /* "parent " + <hex sha1> + '\n' */
+               parents++;
        }
+       if (!parents)
+               printf("root: %s\n", sha1_to_hex(sha1));
        return 0;
 }