--- builtin-pack-objects.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 files changed, 40 insertions(+), 0 deletions(-) -- Dana L. How danahow@xxxxxxxxx +1 650 804 5991 cell
From 3e8e1611653c28d1c3054152fb212a44fee24e2a Mon Sep 17 00:00:00 2001 From: Dana How <how@xxxxxxxxxxxxxxxxxxxxxxx> Date: Thu, 5 Apr 2007 13:54:58 -0700 Subject: [PATCH 07/13] we need our own version of fast-import.c:fixup_header_footer() --- builtin-pack-objects.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 files changed, 40 insertions(+), 0 deletions(-) diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c index 0a9deb0..9eb5fd6 100644 --- a/builtin-pack-objects.c +++ b/builtin-pack-objects.c @@ -519,6 +519,46 @@ static off_t write_one(struct sha1file *f, return offset + write_object(f, e); } +/* + * Move this, the version in fast-import.c, + * and index_pack.c:readjust_pack_header_and_sha1 into sha1_file.c ? + */ +static void fixup_header_footer(int pack_fd, unsigned char *pack_file_sha1, + char *pack_name, uint32_t object_count) +{ + static const int buf_sz = 128 * 1024; + 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_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 (;;) { + size_t n = xread(pack_fd, buf, buf_sz); + if (!n) + break; + if (n < 0) + die("Failed to checksum %s", pack_name); + SHA1_Update(&c, buf, n); + } + free(buf); + + SHA1_Final(pack_file_sha1, &c); + write_or_die(pack_fd, pack_file_sha1, 20); + close(pack_fd); +} + typedef int (*entry_sort_t)(const struct object_entry *, const struct object_entry *); static entry_sort_t current_sort; -- 1.5.1.rc2.18.g9c88-dirty