mirror of
https://github.com/git/git.git
synced 2024-11-18 15:04:49 +01:00
d276189514
Since the C rewrite, "git verify-tag -v" just does nothing instead of printing the usage message with an error. This patch fix the regression. Signed-off-by: Olivier Marin <dkr@freesurf.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
/*
|
|
* Builtin "git verify-tag"
|
|
*
|
|
* Copyright (c) 2007 Carlos Rica <jasampler@gmail.com>
|
|
*
|
|
* Based on git-verify-tag.sh
|
|
*/
|
|
#include "cache.h"
|
|
#include "builtin.h"
|
|
#include "tag.h"
|
|
#include "run-command.h"
|
|
#include <signal.h>
|
|
|
|
static const char builtin_verify_tag_usage[] =
|
|
"git verify-tag [-v|--verbose] <tag>...";
|
|
|
|
#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);
|
|
|
|
/* 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;
|
|
}
|
|
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);
|
|
|
|
unlink(path);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int verify_tag(const char *name, int verbose)
|
|
{
|
|
enum object_type type;
|
|
unsigned char sha1[20];
|
|
char *buf;
|
|
unsigned long size;
|
|
int ret;
|
|
|
|
if (get_sha1(name, sha1))
|
|
return error("tag '%s' not found.", name);
|
|
|
|
type = sha1_object_info(sha1, NULL);
|
|
if (type != OBJ_TAG)
|
|
return error("%s: cannot verify a non-tag object of type %s.",
|
|
name, typename(type));
|
|
|
|
buf = read_sha1_file(sha1, &type, &size);
|
|
if (!buf)
|
|
return error("%s: unable to read file.", name);
|
|
|
|
ret = run_gpg_verify(buf, size, verbose);
|
|
|
|
free(buf);
|
|
return ret;
|
|
}
|
|
|
|
int cmd_verify_tag(int argc, const char **argv, const char *prefix)
|
|
{
|
|
int i = 1, verbose = 0, had_error = 0;
|
|
|
|
git_config(git_default_config, NULL);
|
|
|
|
if (argc > 1 &&
|
|
(!strcmp(argv[i], "-v") || !strcmp(argv[i], "--verbose"))) {
|
|
verbose = 1;
|
|
i++;
|
|
}
|
|
|
|
if (argc <= i)
|
|
usage(builtin_verify_tag_usage);
|
|
|
|
/* sometimes the program was terminated because this signal
|
|
* was received in the process of writing the gpg input: */
|
|
signal(SIGPIPE, SIG_IGN);
|
|
while (i < argc)
|
|
if (verify_tag(argv[i++], verbose))
|
|
had_error = 1;
|
|
return had_error;
|
|
}
|