tar-tree: Use SHA1 of root tree for the basedir

... instead of the made-up "0".

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/tar-tree.c b/tar-tree.c
index e478e13..32f226e 100644 (file)
--- a/tar-tree.c
+++ b/tar-tree.c
@@ -375,7 +375,7 @@ static void traverse_tree(struct tree_desc *tree,
 
 int main(int argc, char **argv)
 {
-       unsigned char sha1[20];
+       unsigned char sha1[20], tree_sha1[20];
        struct commit *commit;
        struct tree_desc tree;
 
@@ -398,14 +398,15 @@ int main(int argc, char **argv)
                write_global_extended_header(commit->object.sha1);
                archive_time = commit->date;
        }
-       tree.buf = read_object_with_reference(sha1, "tree", &tree.size, NULL);
+       tree.buf = read_object_with_reference(sha1, "tree", &tree.size,
+                                             tree_sha1);
        if (!tree.buf)
                die("not a reference to a tag, commit or tree object: %s",
                    sha1_to_hex(sha1));
        if (!archive_time)
                archive_time = time(NULL);
        if (basedir)
-               write_header((unsigned char *)"0", TYPEFLAG_DIR, NULL, NULL,
+               write_header(tree_sha1, TYPEFLAG_DIR, NULL, NULL,
                        basedir, 040777, NULL, 0);
        traverse_tree(&tree, NULL);
        write_trailer();