Use struct commit in tar-tree

It was open-coding getting the commit date from a commit.

Signed-off-by: Daniel Barkalow <barkalow@iabervon>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/tar-tree.c b/tar-tree.c
index 6219754..d36baed 100644 (file)
--- a/tar-tree.c
+++ b/tar-tree.c
@@ -4,6 +4,7 @@
 #include <time.h>
 #include "cache.h"
 #include "tree.h"
+#include "commit.h"
 
 #define RECORDSIZE     (512)
 #define BLOCKSIZE      (RECORDSIZE * 20)
@@ -369,39 +370,10 @@ static void traverse_tree(struct tree *tree,
        }
 }
 
-/* get commit time from committer line of commit object */
-static time_t commit_time(void * buffer, unsigned long size)
-{
-       time_t result = 0;
-       char *p = buffer;
-
-       while (size > 0) {
-               char *endp = memchr(p, '\n', size);
-               if (!endp || endp == p)
-                       break;
-               *endp = '\0';
-               if (endp - p > 10 && !memcmp(p, "committer ", 10)) {
-                       char *nump = strrchr(p, '>');
-                       if (!nump)
-                               break;
-                       nump++;
-                       result = strtoul(nump, &endp, 10);
-                       if (*endp != ' ')
-                               result = 0;
-                       break;
-               }
-               size -= endp - p - 1;
-               p = endp + 1;
-       }
-       return result;
-}
-
 int main(int argc, char **argv)
 {
        unsigned char sha1[20];
-       unsigned char commit_sha1[20];
-       void *buffer;
-       unsigned long size;
+       struct commit *commit;
        struct tree *tree;
 
        setup_git_directory();
@@ -418,11 +390,10 @@ int main(int argc, char **argv)
                usage(tar_tree_usage);
        }
 
-       buffer = read_object_with_reference(sha1, "commit", &size, commit_sha1);
-       if (buffer) {
-               write_global_extended_header(commit_sha1);
-               archive_time = commit_time(buffer, size);
-               free(buffer);
+       commit = lookup_commit_reference(sha1);
+       if (commit) {
+               write_global_extended_header(commit->object.sha1);
+               archive_time = commit->date;
        }
        tree = parse_tree_indirect(sha1);
        if (!tree)