1 files changed, 77 insertions, 0 deletions
diff --git a/third_party/git/builtin/verify-tag.c b/third_party/git/builtin/verify-tag.c
new file mode 100644
index 0000000000..f45136a06b
--- /dev/null
+++ b/third_party/git/builtin/verify-tag.c
@@ -0,0 +1,77 @@
+/*
+ * Builtin "git verify-tag"
+ *
+ * Copyright (c) 2007 Carlos Rica <jasampler@gmail.com>
+ *
+ * Based on git-verify-tag.sh
+ */
+#include "cache.h"
+#include "config.h"
+#include "builtin.h"
+#include "tag.h"
+#include "run-command.h"
+#include "parse-options.h"
+#include "gpg-interface.h"
+#include "ref-filter.h"
+
+static const char * const verify_tag_usage[] = {
+		N_("git verify-tag [-v | --verbose] [--format=<format>] <tag>..."),
+		NULL
+};
+
+static int git_verify_tag_config(const char *var, const char *value, void *cb)
+{
+	int status = git_gpg_config(var, value, cb);
+	if (status)
+		return status;
+	return git_default_config(var, value, cb);
+}
+
+int cmd_verify_tag(int argc, const char **argv, const char *prefix)
+{
+	int i = 1, verbose = 0, had_error = 0;
+	unsigned flags = 0;
+	struct ref_format format = REF_FORMAT_INIT;
+	const struct option verify_tag_options[] = {
+		OPT__VERBOSE(&verbose, N_("print tag contents")),
+		OPT_BIT(0, "raw", &flags, N_("print raw gpg status output"), GPG_VERIFY_RAW),
+		OPT_STRING(0, "format", &format.format, N_("format"), N_("format to use for the output")),
+		OPT_END()
+	};
+
+	git_config(git_verify_tag_config, NULL);
+
+	argc = parse_options(argc, argv, prefix, verify_tag_options,
+			     verify_tag_usage, PARSE_OPT_KEEP_ARGV0);
+	if (argc <= i)
+		usage_with_options(verify_tag_usage, verify_tag_options);
+
+	if (verbose)
+		flags |= GPG_VERIFY_VERBOSE;
+
+	if (format.format) {
+		if (verify_ref_format(&format))
+			usage_with_options(verify_tag_usage,
+					   verify_tag_options);
+		flags |= GPG_VERIFY_OMIT_STATUS;
+	}
+
+	while (i < argc) {
+		struct object_id oid;
+		const char *name = argv[i++];
+
+		if (get_oid(name, &oid)) {
+			had_error = !!error("tag '%s' not found.", name);
+			continue;
+		}
+
+		if (gpg_verify_tag(&oid, name, flags)) {
+			had_error = 1;
+			continue;
+		}
+
+		if (format.format)
+			pretty_print_ref(name, &oid, &format);
+	}
+	return had_error;
+}