diff options
Diffstat (limited to 'bundle.c')
-rw-r--r-- | bundle.c | 186 |
1 files changed, 115 insertions, 71 deletions
@@ -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))) @@ -144,20 +176,28 @@ 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" : ""); - 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 contains %d ref", + "The bundle contains %d refs", + r->nr), + r->nr); list_refs(r, 0, NULL); + if (!r->nr) { + printf_ln(_("The bundle records a complete history.")); + } else { + r = &header->prerequisites; + 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 +242,7 @@ 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 +274,30 @@ 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 +312,7 @@ 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 +332,7 @@ 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 +377,7 @@ 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 +395,7 @@ 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 @@ -372,20 +413,23 @@ 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; } -int unbundle(struct bundle_header *header, int bundle_fd) +int unbundle(struct bundle_header *header, int bundle_fd, int flags) { const char *argv_index_pack[] = {"index-pack", - "--fix-thin", "--stdin", NULL}; + "--fix-thin", "--stdin", NULL, NULL}; struct child_process ip; + if (flags & BUNDLE_VERBOSE) + argv_index_pack[3] = "-v"; + if (verify_bundle(header, 0)) return -1; memset(&ip, 0, sizeof(ip)); @@ -394,6 +438,6 @@ int unbundle(struct bundle_header *header, int bundle_fd) ip.no_stdout = 1; ip.git_cmd = 1; if (run_command(&ip)) - return error("index-pack died"); + return error(_("index-pack died")); return 0; } |