mark_tree_contents_uninteresting(): drop missing object check
[gitweb.git] / fast-import.c
index 1f01a2205506054a4d9e1c80e74a29aa0f974b0d..b5db5d20b1b20c642cf97f990eb538ee6fbaa299 100644 (file)
@@ -316,7 +316,7 @@ static struct atom_str **atom_table;
 /* The .pack file being generated */
 static struct pack_idx_option pack_idx_opts;
 static unsigned int pack_id;
-static struct sha1file *pack_file;
+static struct hashfile *pack_file;
 static struct packed_git *pack_data;
 static struct packed_git **all_packs;
 static off_t pack_size;
@@ -905,12 +905,12 @@ static void start_packfile(void)
 
        p->pack_fd = pack_fd;
        p->do_not_close = 1;
-       pack_file = sha1fd(pack_fd, p->pack_name);
+       pack_file = hashfd(pack_fd, p->pack_name);
 
        hdr.hdr_signature = htonl(PACK_SIGNATURE);
        hdr.hdr_version = htonl(2);
        hdr.hdr_entries = 0;
-       sha1write(pack_file, &hdr, sizeof(hdr));
+       hashwrite(pack_file, &hdr, sizeof(hdr));
 
        pack_data = p;
        pack_size = sizeof(hdr);
@@ -1016,7 +1016,7 @@ static void end_packfile(void)
                struct tag *t;
 
                close_pack_windows(pack_data);
-               sha1close(pack_file, cur_pack_oid.hash, 0);
+               hashclose(pack_file, cur_pack_oid.hash, 0);
                fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1,
                                    pack_data->pack_name, object_count,
                                    cur_pack_oid.hash, pack_size);
@@ -1092,15 +1092,15 @@ static int store_object(
        unsigned char hdr[96];
        struct object_id oid;
        unsigned long hdrlen, deltalen;
-       git_SHA_CTX c;
+       git_hash_ctx c;
        git_zstream s;
 
        hdrlen = xsnprintf((char *)hdr, sizeof(hdr), "%s %lu",
-                          typename(type), (unsigned long)dat->len) + 1;
-       git_SHA1_Init(&c);
-       git_SHA1_Update(&c, hdr, hdrlen);
-       git_SHA1_Update(&c, dat->buf, dat->len);
-       git_SHA1_Final(oid.hash, &c);
+                          type_name(type), (unsigned long)dat->len) + 1;
+       the_hash_algo->init_fn(&c);
+       the_hash_algo->update_fn(&c, hdr, hdrlen);
+       the_hash_algo->update_fn(&c, dat->buf, dat->len);
+       the_hash_algo->final_fn(oid.hash, &c);
        if (oidout)
                oidcpy(oidout, &oid);
 
@@ -1118,11 +1118,13 @@ static int store_object(
                return 1;
        }
 
-       if (last && last->data.buf && last->depth < max_depth && dat->len > 20) {
+       if (last && last->data.buf && last->depth < max_depth
+               && dat->len > the_hash_algo->rawsz) {
+
                delta_count_attempts_by_type[type]++;
                delta = diff_delta(last->data.buf, last->data.len,
                        dat->buf, dat->len,
-                       &deltalen, dat->len - 20);
+                       &deltalen, dat->len - the_hash_algo->rawsz);
        } else
                delta = NULL;
 
@@ -1180,23 +1182,23 @@ static int store_object(
 
                hdrlen = encode_in_pack_object_header(hdr, sizeof(hdr),
                                                      OBJ_OFS_DELTA, deltalen);
-               sha1write(pack_file, hdr, hdrlen);
+               hashwrite(pack_file, hdr, hdrlen);
                pack_size += hdrlen;
 
                hdr[pos] = ofs & 127;
                while (ofs >>= 7)
                        hdr[--pos] = 128 | (--ofs & 127);
-               sha1write(pack_file, hdr + pos, sizeof(hdr) - pos);
+               hashwrite(pack_file, hdr + pos, sizeof(hdr) - pos);
                pack_size += sizeof(hdr) - pos;
        } else {
                e->depth = 0;
                hdrlen = encode_in_pack_object_header(hdr, sizeof(hdr),
                                                      type, dat->len);
-               sha1write(pack_file, hdr, hdrlen);
+               hashwrite(pack_file, hdr, hdrlen);
                pack_size += hdrlen;
        }
 
-       sha1write(pack_file, out, s.total_out);
+       hashwrite(pack_file, out, s.total_out);
        pack_size += s.total_out;
 
        e->idx.crc32 = crc32_end(pack_file);
@@ -1215,9 +1217,9 @@ static int store_object(
        return 0;
 }
 
-static void truncate_pack(struct sha1file_checkpoint *checkpoint)
+static void truncate_pack(struct hashfile_checkpoint *checkpoint)
 {
-       if (sha1file_truncate(pack_file, checkpoint))
+       if (hashfile_truncate(pack_file, checkpoint))
                die_errno("cannot truncate pack to skip duplicate");
        pack_size = checkpoint->offset;
 }
@@ -1231,9 +1233,9 @@ static void stream_blob(uintmax_t len, struct object_id *oidout, uintmax_t mark)
        struct object_id oid;
        unsigned long hdrlen;
        off_t offset;
-       git_SHA_CTX c;
+       git_hash_ctx c;
        git_zstream s;
-       struct sha1file_checkpoint checkpoint;
+       struct hashfile_checkpoint checkpoint;
        int status = Z_OK;
 
        /* Determine if we should auto-checkpoint. */
@@ -1241,13 +1243,13 @@ static void stream_blob(uintmax_t len, struct object_id *oidout, uintmax_t mark)
                || (pack_size + 60 + len) < pack_size)
                cycle_packfile();
 
-       sha1file_checkpoint(pack_file, &checkpoint);
+       hashfile_checkpoint(pack_file, &checkpoint);
        offset = checkpoint.offset;
 
        hdrlen = xsnprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1;
 
-       git_SHA1_Init(&c);
-       git_SHA1_Update(&c, out_buf, hdrlen);
+       the_hash_algo->init_fn(&c);
+       the_hash_algo->update_fn(&c, out_buf, hdrlen);
 
        crc32_begin(pack_file);
 
@@ -1265,7 +1267,7 @@ static void stream_blob(uintmax_t len, struct object_id *oidout, uintmax_t mark)
                        if (!n && feof(stdin))
                                die("EOF in data (%" PRIuMAX " bytes remaining)", len);
 
-                       git_SHA1_Update(&c, in_buf, n);
+                       the_hash_algo->update_fn(&c, in_buf, n);
                        s.next_in = in_buf;
                        s.avail_in = n;
                        len -= n;
@@ -1275,7 +1277,7 @@ static void stream_blob(uintmax_t len, struct object_id *oidout, uintmax_t mark)
 
                if (!s.avail_out || status == Z_STREAM_END) {
                        size_t n = s.next_out - out_buf;
-                       sha1write(pack_file, out_buf, n);
+                       hashwrite(pack_file, out_buf, n);
                        pack_size += n;
                        s.next_out = out_buf;
                        s.avail_out = out_sz;
@@ -1291,7 +1293,7 @@ static void stream_blob(uintmax_t len, struct object_id *oidout, uintmax_t mark)
                }
        }
        git_deflate_end(&s);
-       git_SHA1_Final(oid.hash, &c);
+       the_hash_algo->final_fn(oid.hash, &c);
 
        if (oidout)
                oidcpy(oidout, &oid);
@@ -1350,25 +1352,25 @@ static void *gfi_unpack_entry(
 {
        enum object_type type;
        struct packed_git *p = all_packs[oe->pack_id];
-       if (p == pack_data && p->pack_size < (pack_size + 20)) {
+       if (p == pack_data && p->pack_size < (pack_size + the_hash_algo->rawsz)) {
                /* The object is stored in the packfile we are writing to
                 * and we have modified it since the last time we scanned
                 * back to read a previously written object.  If an old
-                * window covered [p->pack_size, p->pack_size + 20) its
+                * window covered [p->pack_size, p->pack_size + rawsz) its
                 * data is stale and is not valid.  Closing all windows
                 * and updating the packfile length ensures we can read
                 * the newly written data.
                 */
                close_pack_windows(p);
-               sha1flush(pack_file);
+               hashflush(pack_file);
 
-               /* We have to offer 20 bytes additional on the end of
+               /* We have to offer rawsz bytes additional on the end of
                 * the packfile as the core unpacker code assumes the
                 * footer is present at the file end and must promise
-                * at least 20 bytes within any window it maps.  But
+                * at least rawsz bytes within any window it maps.  But
                 * we don't actually create the footer here.
                 */
-               p->pack_size = pack_size + 20;
+               p->pack_size = pack_size + the_hash_algo->rawsz;
        }
        return unpack_entry(p, oe->idx.offset, &type, sizep);
 }
@@ -2204,7 +2206,7 @@ static void construct_path_with_fanout(const char *hex_sha1,
                unsigned char fanout, char *path)
 {
        unsigned int i = 0, j = 0;
-       if (fanout >= 20)
+       if (fanout >= the_hash_algo->rawsz)
                die("Too large fanout (%u)", fanout);
        while (fanout) {
                path[i++] = hex_sha1[j++];
@@ -2212,8 +2214,8 @@ static void construct_path_with_fanout(const char *hex_sha1,
                path[i++] = '/';
                fanout--;
        }
-       memcpy(path + i, hex_sha1 + j, GIT_SHA1_HEXSZ - j);
-       path[i + GIT_SHA1_HEXSZ - j] = '\0';
+       memcpy(path + i, hex_sha1 + j, the_hash_algo->hexsz - j);
+       path[i + the_hash_algo->hexsz - j] = '\0';
 }
 
 static uintmax_t do_change_note_fanout(
@@ -2421,7 +2423,7 @@ static void file_change_m(const char *p, struct branch *b)
                else if (oe) {
                        if (oe->type != OBJ_COMMIT)
                                die("Not a commit (actually a %s): %s",
-                                       typename(oe->type), command_buf.buf);
+                                       type_name(oe->type), command_buf.buf);
                }
                /*
                 * Accept the sha1 without checking; it expected to be in
@@ -2448,7 +2450,7 @@ static void file_change_m(const char *p, struct branch *b)
                                        command_buf.buf);
                if (type != expected)
                        die("Not a %s (actually a %s): %s",
-                               typename(expected), typename(type),
+                               type_name(expected), type_name(type),
                                command_buf.buf);
        }
 
@@ -2599,14 +2601,14 @@ static void note_change_n(const char *p, struct branch *b, unsigned char *old_fa
        } else if (oe) {
                if (oe->type != OBJ_BLOB)
                        die("Not a blob (actually a %s): %s",
-                               typename(oe->type), command_buf.buf);
+                               type_name(oe->type), command_buf.buf);
        } else if (!is_null_oid(&oid)) {
                enum object_type type = sha1_object_info(oid.hash, NULL);
                if (type < 0)
                        die("Blob not found: %s", command_buf.buf);
                if (type != OBJ_BLOB)
                        die("Not a blob (actually a %s): %s",
-                           typename(type), command_buf.buf);
+                           type_name(type), command_buf.buf);
        }
 
        construct_path_with_fanout(oid_to_hex(&commit_oid), *old_fanout, path);
@@ -2914,7 +2916,7 @@ static void parse_new_tag(const char *arg)
                    "object %s\n"
                    "type %s\n"
                    "tag %s\n",
-                   oid_to_hex(&oid), typename(type), t->name);
+                   oid_to_hex(&oid), type_name(type), t->name);
        if (tagger)
                strbuf_addf(&new_data,
                            "tagger %s\n", tagger);
@@ -2985,10 +2987,10 @@ static void cat_blob(struct object_entry *oe, struct object_id *oid)
                die("Can't read object %s", oid_to_hex(oid));
        if (type != OBJ_BLOB)
                die("Object %s is a %s but a blob was expected.",
-                   oid_to_hex(oid), typename(type));
+                   oid_to_hex(oid), type_name(type));
        strbuf_reset(&line);
        strbuf_addf(&line, "%s %s %lu\n", oid_to_hex(oid),
-                                               typename(type), size);
+                                               type_name(type), size);
        cat_blob_write(line.buf, line.len);
        strbuf_release(&line);
        cat_blob_write(buf, size);