Reuse fixup_pack_header_footer in index-pack

Now that fast-import is using a "library function" to handle
correcting its packfile's object count and trailing SHA-1 we
should reuse the same function in index-pack, to reduce the
size of the code we must maintain.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Shawn O. Pearce 2007-05-02 12:14:15 -04:00
parent 8b0eca7c7b
commit cbc6bdab08

View file

@ -602,37 +602,6 @@ static void fix_unresolved_deltas(int nr_unresolved)
free(sorted_by_pos);
}
static void readjust_pack_header_and_sha1(unsigned char *sha1)
{
struct pack_header hdr;
SHA_CTX ctx;
int size;
/* Rewrite pack header with updated object number */
if (lseek(output_fd, 0, SEEK_SET) != 0)
die("cannot seek back: %s", strerror(errno));
if (read_in_full(output_fd, &hdr, sizeof(hdr)) != sizeof(hdr))
die("cannot read pack header back: %s", strerror(errno));
hdr.hdr_entries = htonl(nr_objects);
if (lseek(output_fd, 0, SEEK_SET) != 0)
die("cannot seek back: %s", strerror(errno));
write_or_die(output_fd, &hdr, sizeof(hdr));
if (lseek(output_fd, 0, SEEK_SET) != 0)
die("cannot seek back: %s", strerror(errno));
/* Recompute and store the new pack's SHA1 */
SHA1_Init(&ctx);
do {
unsigned char *buf[4096];
size = xread(output_fd, buf, sizeof(buf));
if (size < 0)
die("cannot read pack data back: %s", strerror(errno));
SHA1_Update(&ctx, buf, size);
} while (size > 0);
SHA1_Final(sha1, &ctx);
write_or_die(output_fd, sha1, 20);
}
static uint32_t index_default_version = 1;
static uint32_t index_off32_limit = 0x7fffffff;
@ -963,7 +932,8 @@ int main(int argc, char **argv)
fprintf(stderr, "%d objects were added to complete this thin pack.\n",
nr_objects - nr_objects_initial);
}
readjust_pack_header_and_sha1(sha1);
fixup_pack_header_footer(output_fd, sha1,
curr_pack, nr_objects);
}
if (nr_deltas != nr_resolved_deltas)
die("pack has %d unresolved deltas",