| #include "builtin.h" |
| #include "parse-options.h" |
| #include "tag.h" |
| #include "replace-object.h" |
| #include "object-store.h" |
| #include "fsck.h" |
| #include "config.h" |
| |
| static char const * const builtin_mktag_usage[] = { |
| N_("git mktag"), |
| NULL |
| }; |
| static int option_strict = 1; |
| |
| static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT; |
| |
| static int mktag_fsck_error_func(struct fsck_options *o, |
| const struct object_id *oid, |
| enum object_type object_type, |
| enum fsck_msg_type msg_type, |
| enum fsck_msg_id msg_id, |
| const char *message) |
| { |
| switch (msg_type) { |
| case FSCK_WARN: |
| if (!option_strict) { |
| fprintf_ln(stderr, _("warning: tag input does not pass fsck: %s"), message); |
| return 0; |
| |
| } |
| /* fallthrough */ |
| case FSCK_ERROR: |
| /* |
| * We treat both warnings and errors as errors, things |
| * like missing "tagger" lines are "only" warnings |
| * under fsck, we've always considered them an error. |
| */ |
| fprintf_ln(stderr, _("error: tag input does not pass fsck: %s"), message); |
| return 1; |
| default: |
| BUG(_("%d (FSCK_IGNORE?) should never trigger this callback"), |
| msg_type); |
| } |
| } |
| |
| static int verify_object_in_tag(struct object_id *tagged_oid, int *tagged_type) |
| { |
| int ret; |
| enum object_type type; |
| unsigned long size; |
| void *buffer; |
| const struct object_id *repl; |
| |
| buffer = read_object_file(tagged_oid, &type, &size); |
| if (!buffer) |
| die(_("could not read tagged object '%s'"), |
| oid_to_hex(tagged_oid)); |
| if (type != *tagged_type) |
| die(_("object '%s' tagged as '%s', but is a '%s' type"), |
| oid_to_hex(tagged_oid), |
| type_name(*tagged_type), type_name(type)); |
| |
| repl = lookup_replace_object(the_repository, tagged_oid); |
| ret = check_object_signature(the_repository, repl, |
| buffer, size, type_name(*tagged_type), |
| NULL); |
| free(buffer); |
| |
| return ret; |
| } |
| |
| int cmd_mktag(int argc, const char **argv, const char *prefix) |
| { |
| static struct option builtin_mktag_options[] = { |
| OPT_BOOL(0, "strict", &option_strict, |
| N_("enable more strict checking")), |
| OPT_END(), |
| }; |
| struct strbuf buf = STRBUF_INIT; |
| struct object_id tagged_oid; |
| int tagged_type; |
| struct object_id result; |
| |
| argc = parse_options(argc, argv, NULL, |
| builtin_mktag_options, |
| builtin_mktag_usage, 0); |
| |
| if (strbuf_read(&buf, 0, 0) < 0) |
| die_errno(_("could not read from stdin")); |
| |
| fsck_options.error_func = mktag_fsck_error_func; |
| fsck_set_msg_type_from_ids(&fsck_options, FSCK_MSG_EXTRA_HEADER_ENTRY, |
| FSCK_WARN); |
| /* config might set fsck.extraHeaderEntry=* again */ |
| git_config(git_fsck_config, &fsck_options); |
| if (fsck_tag_standalone(NULL, buf.buf, buf.len, &fsck_options, |
| &tagged_oid, &tagged_type)) |
| die(_("tag on stdin did not pass our strict fsck check")); |
| |
| if (verify_object_in_tag(&tagged_oid, &tagged_type)) |
| die(_("tag on stdin did not refer to a valid object")); |
| |
| if (write_object_file(buf.buf, buf.len, tag_type, &result) < 0) |
| die(_("unable to write tag file")); |
| |
| strbuf_release(&buf); |
| puts(oid_to_hex(&result)); |
| return 0; |
| } |