commit-graph: implement "--append" option

diff --git a/pack-write.c b/pack-write.c
index 5317678c29d0de4c99f00d7b1d4680a29ce1c019..a9d46bc03f63b27ff85cceecb763d4e39f47898f 100644 (file)
--- a/pack-write.c
+++ b/pack-write.c
@@ -46,7 +46,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                           int nr_objects, const struct pack_idx_option *opts,
                           const unsigned char *sha1)
 {
-       struct sha1file *f;
+       struct hashfile *f;
        struct pack_idx_entry **sorted_by_sha, **list, **last;
        off_t last_obj_offset = 0;
        uint32_t array[256];
@@ -68,7 +68,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
 
        if (opts->flags & WRITE_IDX_VERIFY) {
                assert(index_name);
-               f = sha1fd_check(index_name);
+               f = hashfd_check(index_name);
        } else {
                if (!index_name) {
                        struct strbuf tmp_file = STRBUF_INIT;
@@ -80,7 +80,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                        if (fd < 0)
                                die_errno("unable to create '%s'", index_name);
                }
-               f = sha1fd(fd, index_name);
+               f = hashfd(fd, index_name);
        }
 
        /* if last object's offset is >= 2^31 we should use index V2 */
@@ -91,7 +91,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                struct pack_idx_header hdr;
                hdr.idx_signature = htonl(PACK_IDX_SIGNATURE);
                hdr.idx_version = htonl(index_version);
-               sha1write(f, &hdr, sizeof(hdr));
+               hashwrite(f, &hdr, sizeof(hdr));
        }
 
        /*
@@ -110,7 +110,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                array[i] = htonl(next - sorted_by_sha);
                list = next;
        }
-       sha1write(f, array, 256 * 4);
+       hashwrite(f, array, 256 * 4);
 
        /*
         * Write the actual SHA1 entries..
@@ -120,9 +120,9 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                struct pack_idx_entry *obj = *list++;
                if (index_version < 2) {
                        uint32_t offset = htonl(obj->offset);
-                       sha1write(f, &offset, 4);
+                       hashwrite(f, &offset, 4);
                }
-               sha1write(f, obj->oid.hash, the_hash_algo->rawsz);
+               hashwrite(f, obj->oid.hash, the_hash_algo->rawsz);
                if ((opts->flags & WRITE_IDX_STRICT) &&
                    (i && !oidcmp(&list[-2]->oid, &obj->oid)))
                        die("The same object %s appears twice in the pack",
@@ -137,7 +137,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                for (i = 0; i < nr_objects; i++) {
                        struct pack_idx_entry *obj = *list++;
                        uint32_t crc32_val = htonl(obj->crc32);
-                       sha1write(f, &crc32_val, 4);
+                       hashwrite(f, &crc32_val, 4);
                }
 
                /* write the 32-bit offset table */
@@ -150,7 +150,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                                  ? (0x80000000 | nr_large_offset++)
                                  : obj->offset);
                        offset = htonl(offset);
-                       sha1write(f, &offset, 4);
+                       hashwrite(f, &offset, 4);
                }
 
                /* write the large offset table */
@@ -164,25 +164,26 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
                                continue;
                        split[0] = htonl(offset >> 32);
                        split[1] = htonl(offset & 0xffffffff);
-                       sha1write(f, split, 8);
+                       hashwrite(f, split, 8);
                        nr_large_offset--;
                }
        }
 
-       sha1write(f, sha1, the_hash_algo->rawsz);
-       sha1close(f, NULL, ((opts->flags & WRITE_IDX_VERIFY)
-                           ? CSUM_CLOSE : CSUM_FSYNC));
+       hashwrite(f, sha1, the_hash_algo->rawsz);
+       finalize_hashfile(f, NULL, CSUM_HASH_IN_STREAM | CSUM_CLOSE |
+                                   ((opts->flags & WRITE_IDX_VERIFY)
+                                   ? 0 : CSUM_FSYNC));
        return index_name;
 }
 
-off_t write_pack_header(struct sha1file *f, uint32_t nr_entries)
+off_t write_pack_header(struct hashfile *f, uint32_t nr_entries)
 {
        struct pack_header hdr;
 
        hdr.hdr_signature = htonl(PACK_SIGNATURE);
        hdr.hdr_version = htonl(PACK_VERSION);
        hdr.hdr_entries = htonl(nr_entries);
-       sha1write(f, &hdr, sizeof(hdr));
+       hashwrite(f, &hdr, sizeof(hdr));
        return sizeof(hdr);
 }
 
@@ -333,14 +334,14 @@ int encode_in_pack_object_header(unsigned char *hdr, int hdr_len,
        return n;
 }
 
-struct sha1file *create_tmp_packfile(char **pack_tmp_name)
+struct hashfile *create_tmp_packfile(char **pack_tmp_name)
 {
        struct strbuf tmpname = STRBUF_INIT;
        int fd;
 
        fd = odb_mkstemp(&tmpname, "pack/tmp_pack_XXXXXX");
        *pack_tmp_name = strbuf_detach(&tmpname, NULL);
-       return sha1fd(fd, *pack_tmp_name);
+       return hashfd(fd, *pack_tmp_name);
 }
 
 void finish_tmp_packfile(struct strbuf *name_buffer,