Create pack-write.c for common pack writing code
[git/git.git] / fast-import.c
index b4cbcd9..3a2d5ed 100644 (file)
@@ -651,42 +651,6 @@ static void start_packfile(void)
        all_packs[pack_id] = p;
 }
 
-static void fixup_header_footer(void)
-{
-       static const int buf_sz = 128 * 1024;
-       int pack_fd = pack_data->pack_fd;
-       SHA_CTX c;
-       struct pack_header hdr;
-       char *buf;
-
-       if (lseek(pack_fd, 0, SEEK_SET) != 0)
-               die("Failed seeking to start: %s", strerror(errno));
-       if (read_in_full(pack_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
-               die("Unable to reread header of %s", pack_data->pack_name);
-       if (lseek(pack_fd, 0, SEEK_SET) != 0)
-               die("Failed seeking to start: %s", strerror(errno));
-       hdr.hdr_entries = htonl(object_count);
-       write_or_die(pack_fd, &hdr, sizeof(hdr));
-
-       SHA1_Init(&c);
-       SHA1_Update(&c, &hdr, sizeof(hdr));
-
-       buf = xmalloc(buf_sz);
-       for (;;) {
-               ssize_t n = xread(pack_fd, buf, buf_sz);
-               if (!n)
-                       break;
-               if (n < 0)
-                       die("Failed to checksum %s", pack_data->pack_name);
-               SHA1_Update(&c, buf, n);
-       }
-       free(buf);
-
-       SHA1_Final(pack_data->sha1, &c);
-       write_or_die(pack_fd, pack_data->sha1, sizeof(pack_data->sha1));
-       close(pack_fd);
-}
-
 static int oecmp (const void *a_, const void *b_)
 {
        struct object_entry *a = *((struct object_entry**)a_);
@@ -802,7 +766,9 @@ static void end_packfile(void)
                struct branch *b;
                struct tag *t;
 
-               fixup_header_footer();
+               fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1,
+                                   pack_data->pack_name, object_count);
+               close(pack_data->pack_fd);
                idx_name = keep_pack(create_index());
 
                /* Register the packfile with core git's machinary. */