git p4 test: wait longer for p4d to start and test its pid
[gitweb.git] / bundle.c
index 5364cbfa0f3ede8e936e1bfa1e2b3994bfa3aad8..8d31b98f58b9e9bf156615130ec80684f788fcaa 100644 (file)
--- a/bundle.c
+++ b/bundle.c
@@ -23,52 +23,87 @@ static void add_to_ref_list(const unsigned char *sha1, const char *name,
        list->nr++;
 }
 
-/* returns an fd */
-int read_bundle_header(const char *path, struct bundle_header *header)
+static int parse_bundle_header(int fd, struct bundle_header *header,
+                              const char *report_path)
 {
-       char buffer[1024];
-       int fd;
-       long fpos;
-       FILE *ffd = fopen(path, "rb");
-
-       if (!ffd)
-               return error("could not open '%s'", path);
-       if (!fgets(buffer, sizeof(buffer), ffd) ||
-                       strcmp(buffer, bundle_signature)) {
-               fclose(ffd);
-               return error("'%s' does not look like a v2 bundle file", path);
+       struct strbuf buf = STRBUF_INIT;
+       int status = 0;
+
+       /* The bundle header begins with the signature */
+       if (strbuf_getwholeline_fd(&buf, fd, '\n') ||
+           strcmp(buf.buf, bundle_signature)) {
+               if (report_path)
+                       error(_("'%s' does not look like a v2 bundle file"),
+                             report_path);
+               status = -1;
+               goto abort;
        }
-       while (fgets(buffer, sizeof(buffer), ffd)
-                       && buffer[0] != '\n') {
-               int is_prereq = buffer[0] == '-';
-               int offset = is_prereq ? 1 : 0;
-               int len = strlen(buffer);
+
+       /* The bundle header ends with an empty line */
+       while (!strbuf_getwholeline_fd(&buf, fd, '\n') &&
+              buf.len && buf.buf[0] != '\n') {
                unsigned char sha1[20];
-               struct ref_list *list = is_prereq ? &header->prerequisites
-                       : &header->references;
-               char delim;
-
-               if (len && buffer[len - 1] == '\n')
-                       buffer[len - 1] = '\0';
-               if (get_sha1_hex(buffer + offset, sha1)) {
-                       warning("unrecognized header: %s", buffer);
-                       continue;
+               int is_prereq = 0;
+
+               if (*buf.buf == '-') {
+                       is_prereq = 1;
+                       strbuf_remove(&buf, 0, 1);
+               }
+               strbuf_rtrim(&buf);
+
+               /*
+                * Tip lines have object name, SP, and refname.
+                * Prerequisites have object name that is optionally
+                * followed by SP and subject line.
+                */
+               if (get_sha1_hex(buf.buf, sha1) ||
+                   (40 <= buf.len && !isspace(buf.buf[40])) ||
+                   (!is_prereq && buf.len <= 40)) {
+                       if (report_path)
+                               error(_("unrecognized header: %s%s (%d)"),
+                                     (is_prereq ? "-" : ""), buf.buf, (int)buf.len);
+                       status = -1;
+                       break;
+               } else {
+                       if (is_prereq)
+                               add_to_ref_list(sha1, "", &header->prerequisites);
+                       else
+                               add_to_ref_list(sha1, buf.buf + 41, &header->references);
                }
-               delim = buffer[40 + offset];
-               if (!isspace(delim) && (delim != '\0' || !is_prereq))
-                       die ("invalid header: %s", buffer);
-               add_to_ref_list(sha1, isspace(delim) ?
-                               buffer + 41 + offset : "", list);
        }
-       fpos = ftell(ffd);
-       fclose(ffd);
-       fd = open(path, O_RDONLY);
-       if (fd < 0)
-               return error("could not open '%s'", path);
-       lseek(fd, fpos, SEEK_SET);
+
+ abort:
+       if (status) {
+               close(fd);
+               fd = -1;
+       }
+       strbuf_release(&buf);
        return fd;
 }
 
+int read_bundle_header(const char *path, struct bundle_header *header)
+{
+       int fd = open(path, O_RDONLY);
+
+       if (fd < 0)
+               return error(_("could not open '%s'"), path);
+       return parse_bundle_header(fd, header, path);
+}
+
+int is_bundle(const char *path, int quiet)
+{
+       struct bundle_header header;
+       int fd = open(path, O_RDONLY);
+
+       if (fd < 0)
+               return 0;
+       memset(&header, 0, sizeof(header));
+       fd = parse_bundle_header(fd, &header, quiet ? NULL : path);
+       if (fd >= 0)
+               close(fd);
+       return (fd >= 0);
+}
+
 static int list_refs(struct ref_list *r, int argc, const char **argv)
 {
        int i;
@@ -102,7 +137,7 @@ int verify_bundle(struct bundle_header *header, int verbose)
        struct object_array refs;
        struct commit *commit;
        int i, ret = 0, req_nr;
-       const char *message = "Repository lacks these prerequisite commits:";
+       const char *message = _("Repository lacks these prerequisite commits:");
 
        init_revisions(&revs, NULL);
        for (i = 0; i < p->nr; i++) {
@@ -122,14 +157,11 @@ int verify_bundle(struct bundle_header *header, int verbose)
        req_nr = revs.pending.nr;
        setup_revisions(2, argv, &revs, NULL);
 
-       memset(&refs, 0, sizeof(struct object_array));
-       for (i = 0; i < revs.pending.nr; i++) {
-               struct object_array_entry *e = revs.pending.objects + i;
-               add_object_array(e->item, e->name, &refs);
-       }
+       refs = revs.pending;
+       revs.leak_pending = 1;
 
        if (prepare_revision_walk(&revs))
-               die("revision walk setup failed");
+               die(_("revision walk setup failed"));
 
        i = req_nr;
        while (i && (commit = get_revision(&revs)))
@@ -144,19 +176,23 @@ int verify_bundle(struct bundle_header *header, int verbose)
                                refs.objects[i].name);
                }
 
-       for (i = 0; i < refs.nr; i++)
-               clear_commit_marks((struct commit *)refs.objects[i].item, -1);
+       clear_commit_marks_for_object_array(&refs, ALL_REV_FLAGS);
+       free(refs.objects);
 
        if (verbose) {
                struct ref_list *r;
 
                r = &header->references;
-               printf("The bundle contains %d ref%s\n",
-                      r->nr, (1 < r->nr) ? "s" : "");
+               printf_ln(Q_("The bundle contains %d ref",
+                            "The bundle contains %d refs",
+                            r->nr),
+                         r->nr);
                list_refs(r, 0, NULL);
                r = &header->prerequisites;
-               printf("The bundle requires these %d ref%s\n",
-                      r->nr, (1 < r->nr) ? "s" : "");
+               printf_ln(Q_("The bundle requires this ref",
+                            "The bundle requires these %d refs",
+                            r->nr),
+                         r->nr);
                list_refs(r, 0, NULL);
        }
        return ret;
@@ -202,7 +238,7 @@ int create_bundle(struct bundle_header *header, const char *path,
        const char **argv_boundary = xmalloc((argc + 4) * sizeof(const char *));
        const char **argv_pack = xmalloc(6 * sizeof(const char *));
        int i, ref_count = 0;
-       char buffer[1024];
+       struct strbuf buf = STRBUF_INIT;
        struct rev_info revs;
        struct child_process rls;
        FILE *rls_fout;
@@ -234,29 +270,30 @@ int create_bundle(struct bundle_header *header, const char *path,
        if (start_command(&rls))
                return -1;
        rls_fout = xfdopen(rls.out, "r");
-       while (fgets(buffer, sizeof(buffer), rls_fout)) {
+       while (strbuf_getwholeline(&buf, rls_fout, '\n') != EOF) {
                unsigned char sha1[20];
-               if (buffer[0] == '-') {
-                       write_or_die(bundle_fd, buffer, strlen(buffer));
-                       if (!get_sha1_hex(buffer + 1, sha1)) {
+               if (buf.len > 0 && buf.buf[0] == '-') {
+                       write_or_die(bundle_fd, buf.buf, buf.len);
+                       if (!get_sha1_hex(buf.buf + 1, sha1)) {
                                struct object *object = parse_object(sha1);
                                object->flags |= UNINTERESTING;
-                               add_pending_object(&revs, object, buffer);
+                               add_pending_object(&revs, object, xstrdup(buf.buf));
                        }
-               } else if (!get_sha1_hex(buffer, sha1)) {
+               } else if (!get_sha1_hex(buf.buf, sha1)) {
                        struct object *object = parse_object(sha1);
                        object->flags |= SHOWN;
                }
        }
+       strbuf_release(&buf);
        fclose(rls_fout);
        if (finish_command(&rls))
-               return error("rev-list died");
+               return error(_("rev-list died"));
 
        /* write references */
        argc = setup_revisions(argc, argv, &revs, NULL);
 
        if (argc > 1)
-               return error("unrecognized argument: %s", argv[1]);
+               return error(_("unrecognized argument: %s"), argv[1]);
 
        object_array_remove_duplicates(&revs.pending);
 
@@ -271,7 +308,7 @@ int create_bundle(struct bundle_header *header, const char *path,
                        continue;
                if (dwim_ref(e->name, strlen(e->name), sha1, &ref) != 1)
                        continue;
-               if (!resolve_ref(e->name, sha1, 1, &flag))
+               if (read_ref_full(e->name, sha1, 1, &flag))
                        flag = 0;
                display_ref = (flag & REF_ISSYMREF) ? e->name : ref;
 
@@ -291,7 +328,7 @@ int create_bundle(struct bundle_header *header, const char *path,
                 * constraints.
                 */
                if (!(e->item->flags & SHOWN) && e->item->type == OBJ_COMMIT) {
-                       warning("ref '%s' is excluded by the rev-list options",
+                       warning(_("ref '%s' is excluded by the rev-list options"),
                                e->name);
                        free(ref);
                        continue;
@@ -336,7 +373,7 @@ int create_bundle(struct bundle_header *header, const char *path,
                free(ref);
        }
        if (!ref_count)
-               die ("Refusing to create empty bundle.");
+               die(_("Refusing to create empty bundle."));
 
        /* end header */
        write_or_die(bundle_fd, "\n", 1);
@@ -354,7 +391,7 @@ int create_bundle(struct bundle_header *header, const char *path,
        rls.out = bundle_fd;
        rls.git_cmd = 1;
        if (start_command(&rls))
-               return error("Could not spawn pack-objects");
+               return error(_("Could not spawn pack-objects"));
 
        /*
         * start_command closed bundle_fd if it was > 1
@@ -372,10 +409,10 @@ int create_bundle(struct bundle_header *header, const char *path,
        }
        close(rls.in);
        if (finish_command(&rls))
-               return error ("pack-objects died");
+               return error(_("pack-objects died"));
        if (!bundle_to_stdout) {
                if (commit_lock_file(&lock))
-                       die_errno("cannot create '%s'", path);
+                       die_errno(_("cannot create '%s'"), path);
        }
        return 0;
 }
@@ -397,6 +434,6 @@ int unbundle(struct bundle_header *header, int bundle_fd, int flags)
        ip.no_stdout = 1;
        ip.git_cmd = 1;
        if (run_command(&ip))
-               return error("index-pack died");
+               return error(_("index-pack died"));
        return 0;
 }