Make sure objects/pack exists before creating a new pack

diff --git a/fast-import.c b/fast-import.c
index 7089e6f9e6c5fa9142f468e54afe7d33a6d2eec7..f0114948ec1a48b5fa8fa848c231e0c37c2e7426 100644 (file)
--- a/fast-import.c
+++ b/fast-import.c
@@ -43,7 +43,7 @@ Format of STDIN stream:
 
   new_tag ::= 'tag' sp tag_str lf
     'from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf
-    'tagger' sp name '<' email '>' when lf
+    ('tagger' sp name '<' email '>' when lf)?
     tag_msg;
   tag_msg ::= data;
 
@@ -815,9 +815,8 @@ static void start_packfile(void)
        struct pack_header hdr;
        int pack_fd;
 
-       snprintf(tmpfile, sizeof(tmpfile),
-               "%s/tmp_pack_XXXXXX", get_object_directory());
-       pack_fd = xmkstemp(tmpfile);
+       pack_fd = odb_mkstemp(tmpfile, sizeof(tmpfile),
+                             "pack/tmp_pack_XXXXXX");
        p = xcalloc(1, sizeof(*p) + strlen(tmpfile) + 2);
        strcpy(p->pack_name, tmpfile);
        p->pack_fd = pack_fd;
@@ -877,9 +876,8 @@ static char *create_index(void)
                c = next;
        }
 
-       snprintf(tmpfile, sizeof(tmpfile),
-               "%s/tmp_idx_XXXXXX", get_object_directory());
-       idx_fd = xmkstemp(tmpfile);
+       idx_fd = odb_mkstemp(tmpfile, sizeof(tmpfile),
+                            "pack/tmp_idx_XXXXXX");
        f = sha1fd(idx_fd, tmpfile);
        sha1write(f, array, 256 * sizeof(int));
        SHA1_Init(&ctx);
@@ -905,9 +903,7 @@ static char *keep_pack(char *curr_index_name)
        chmod(pack_data->pack_name, 0444);
        chmod(curr_index_name, 0444);
 
-       snprintf(name, sizeof(name), "%s/pack/pack-%s.keep",
-                get_object_directory(), sha1_to_hex(pack_data->sha1));
-       keep_fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
+       keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1);
        if (keep_fd < 0)
                die("cannot create keep file");
        write_or_die(keep_fd, keep_msg, strlen(keep_msg));
@@ -951,7 +947,8 @@ static void end_packfile(void)
 
                close_pack_windows(pack_data);
                fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1,
-                                   pack_data->pack_name, object_count);
+                                   pack_data->pack_name, object_count,
+                                   NULL, 0);
                close(pack_data->pack_fd);
                idx_name = keep_pack(create_index());
 
@@ -981,8 +978,10 @@ static void end_packfile(void)
 
                pack_id++;
        }
-       else
+       else {
+               close(old_p->pack_fd);
                unlink(old_p->pack_name);
+       }
        free(old_p);
 
        /* We can't carry a delta across packfiles. */
@@ -2261,23 +2260,27 @@ static void parse_new_tag(void)
        read_next_command();
 
        /* tagger ... */
-       if (prefixcmp(command_buf.buf, "tagger "))
-               die("Expected tagger command, got %s", command_buf.buf);
-       tagger = parse_ident(command_buf.buf + 7);
+       if (!prefixcmp(command_buf.buf, "tagger ")) {
+               tagger = parse_ident(command_buf.buf + 7);
+               read_next_command();
+       } else
+               tagger = NULL;
 
        /* tag payload/message */
-       read_next_command();
        parse_data(&msg);
 
        /* build the tag object */
        strbuf_reset(&new_data);
+
        strbuf_addf(&new_data,
-               "object %s\n"
-               "type %s\n"
-               "tag %s\n"
-               "tagger %s\n"
-               "\n",
-               sha1_to_hex(sha1), commit_type, t->name, tagger);
+                   "object %s\n"
+                   "type %s\n"
+                   "tag %s\n",
+                   sha1_to_hex(sha1), commit_type, t->name);
+       if (tagger)
+               strbuf_addf(&new_data,
+                           "tagger %s\n", tagger);
+       strbuf_addch(&new_data, '\n');
        strbuf_addbuf(&new_data, &msg);
        free(tagger);