mktag: mark strings for translation

Mark the errors mktag might emit for translation. This is a plumbing
command, but the errors it emits are intended to be human-readable.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/mktag.c

@@ -31,10 +31,10 @@ static int mktag_fsck_error_func(struct fsck_options *o,
 		 * 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);
+		fprintf_ln(stderr, _("error: tag input does not pass fsck: %s"), message);
 		return 1;
 	default:
-		BUG("%d (FSCK_IGNORE?) should never trigger this callback",
+		BUG(_("%d (FSCK_IGNORE?) should never trigger this callback"),
 		    msg_type);
 	}
 }
@@ -49,10 +49,10 @@ static int verify_object_in_tag(struct object_id *tagged_oid, int *tagged_type)
 
 	buffer = read_object_file(tagged_oid, &type, &size);
 	if (!buffer)
-		die("could not read tagged object '%s'",
+		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",
+		die(_("object '%s' tagged as '%s', but is a '%s' type"),
 		    oid_to_hex(tagged_oid),
 		    type_name(*tagged_type), type_name(type));
 
@@ -79,7 +79,7 @@ int cmd_mktag(int argc, const char **argv, const char *prefix)
 			     builtin_mktag_usage, 0);
 
 	if (strbuf_read(&buf, 0, 0) < 0)
-		die_errno("could not read from stdin");
+		die_errno(_("could not read from stdin"));
 
 	fsck_options.error_func = mktag_fsck_error_func;
 	fsck_set_msg_type(&fsck_options, "extraheaderentry", "warn");
@@ -87,13 +87,13 @@ int cmd_mktag(int argc, const char **argv, const char *prefix)
 	git_config(mktag_config, NULL);
 	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");
+		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");
+		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");
+		die(_("unable to write tag file"));
 
 	strbuf_release(&buf);
 	puts(oid_to_hex(&result));