Merge branch 'rs/diff-postimage-in-context'

diff --git a/builtin/verify-tag.c b/builtin/verify-tag.c
index 9f482c29f516bde84023f401b28b133c1e605333..28c21743381db95f6ddb4b185ec34cdbff686866 100644 (file)
--- a/builtin/verify-tag.c
+++ b/builtin/verify-tag.c
@@ -11,56 +11,25 @@
 #include "run-command.h"
 #include <signal.h>
 #include "parse-options.h"
+#include "gpg-interface.h"
 
 static const char * const verify_tag_usage[] = {
                "git verify-tag [-v|--verbose] <tag>...",
                NULL
 };
 
-#define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
-
 static int run_gpg_verify(const char *buf, unsigned long size, int verbose)
 {
-       struct child_process gpg;
-       const char *args_gpg[] = {"gpg", "--verify", "FILE", "-", NULL};
-       char path[PATH_MAX], *eol;
-       size_t len;
-       int fd, ret;
-
-       fd = git_mkstemp(path, PATH_MAX, ".git_vtag_tmpXXXXXX");
-       if (fd < 0)
-               return error("could not create temporary file '%s': %s",
-                                               path, strerror(errno));
-       if (write_in_full(fd, buf, size) < 0)
-               return error("failed writing temporary file '%s': %s",
-                                               path, strerror(errno));
-       close(fd);
+       int len;
 
-       /* find the length without signature */
-       len = 0;
-       while (len < size && prefixcmp(buf + len, PGP_SIGNATURE)) {
-               eol = memchr(buf + len, '\n', size - len);
-               len += eol ? eol - (buf + len) + 1 : size - len;
-       }
+       len = parse_signature(buf, size);
        if (verbose)
                write_in_full(1, buf, len);
 
-       memset(&gpg, 0, sizeof(gpg));
-       gpg.argv = args_gpg;
-       gpg.in = -1;
-       args_gpg[2] = path;
-       if (start_command(&gpg)) {
-               unlink(path);
-               return error("could not run gpg.");
-       }
-
-       write_in_full(gpg.in, buf, len);
-       close(gpg.in);
-       ret = finish_command(&gpg);
+       if (size == len)
+               return error("no signature found");
 
-       unlink_or_warn(path);
-
-       return ret;
+       return verify_signed_buffer(buf, len, buf + len, size - len, NULL);
 }
 
 static int verify_tag(const char *name, int verbose)
@@ -93,7 +62,7 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix)
 {
        int i = 1, verbose = 0, had_error = 0;
        const struct option verify_tag_options[] = {
-               OPT__VERBOSE(&verbose),
+               OPT__VERBOSE(&verbose, "print tag contents"),
                OPT_END()
        };