/*
* Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/queue.h>
#include <getopt.h>
#include <err.h>
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <util.h>
#include "got_version.h"
#include "got_error.h"
#include "got_object.h"
#include "got_reference.h"
#include "got_repository.h"
#include "got_gotconfig.h"
#include "got_path.h"
#include "got_cancel.h"
#include "got_privsep.h"
#include "got_opentemp.h"
#ifndef nitems
#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
#endif
static volatile sig_atomic_t sigint_received;
static volatile sig_atomic_t sigpipe_received;
static void
catch_sigint(int signo)
{
sigint_received = 1;
}
static void
catch_sigpipe(int signo)
{
sigpipe_received = 1;
}
struct gotadmin_cmd {
const char *cmd_name;
const struct got_error *(*cmd_main)(int, char *[]);
void (*cmd_usage)(void);
const char *cmd_alias;
};
__dead static void usage(int, int);
__dead static void usage_info(void);
static const struct got_error* cmd_info(int, char *[]);
static struct gotadmin_cmd gotadmin_commands[] = {
{ "info", cmd_info, usage_info, "" },
};
static void
list_commands(FILE *fp)
{
size_t i;
fprintf(fp, "commands:");
for (i = 0; i < nitems(gotadmin_commands); i++) {
struct gotadmin_cmd *cmd = &gotadmin_commands[i];
fprintf(fp, " %s", cmd->cmd_name);
}
fputc('\n', fp);
}
int
main(int argc, char *argv[])
{
struct gotadmin_cmd *cmd;
size_t i;
int ch;
int hflag = 0, Vflag = 0;
static struct option longopts[] = {
{ "version", no_argument, NULL, 'V' },
{ NULL, 0, NULL, 0 }
};
setlocale(LC_CTYPE, "");
while ((ch = getopt_long(argc, argv, "+hV", longopts, NULL)) != -1) {
switch (ch) {
case 'h':
hflag = 1;
break;
case 'V':
Vflag = 1;
break;
default:
usage(hflag, 1);
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
optind = 1;
optreset = 1;
if (Vflag) {
got_version_print_str();
return 0;
}
if (argc <= 0)
usage(hflag, hflag ? 0 : 1);
signal(SIGINT, catch_sigint);
signal(SIGPIPE, catch_sigpipe);
for (i = 0; i < nitems(gotadmin_commands); i++) {
const struct got_error *error;
cmd = &gotadmin_commands[i];
if (strcmp(cmd->cmd_name, argv[0]) != 0 &&
strcmp(cmd->cmd_alias, argv[0]) != 0)
continue;
if (hflag)
gotadmin_commands[i].cmd_usage();
error = gotadmin_commands[i].cmd_main(argc, argv);
if (error && error->code != GOT_ERR_CANCELLED &&
error->code != GOT_ERR_PRIVSEP_EXIT &&
!(sigpipe_received &&
error->code == GOT_ERR_ERRNO && errno == EPIPE) &&
!(sigint_received &&
error->code == GOT_ERR_ERRNO && errno == EINTR)) {
fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
return 1;
}
return 0;
}
fprintf(stderr, "%s: unknown command '%s'\n", getprogname(), argv[0]);
list_commands(stderr);
return 1;
}
__dead static void
usage(int hflag, int status)
{
FILE *fp = (status == 0) ? stdout : stderr;
fprintf(fp, "usage: %s [-h] [-V | --version] command [arg ...]\n",
getprogname());
if (hflag)
list_commands(fp);
exit(status);
}
static const struct got_error *
apply_unveil(const char *repo_path, int repo_read_only)
{
const struct got_error *err;
#ifdef PROFILE
if (unveil("gmon.out", "rwc") != 0)
return got_error_from_errno2("unveil", "gmon.out");
#endif
if (repo_path && unveil(repo_path, repo_read_only ? "r" : "rwc") != 0)
return got_error_from_errno2("unveil", repo_path);
if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
err = got_privsep_unveil_exec_helpers();
if (err != NULL)
return err;
if (unveil(NULL, NULL) != 0)
return got_error_from_errno("unveil");
return NULL;
}
__dead static void
usage_info(void)
{
fprintf(stderr, "usage: %s info [-r repository-path]\n",
getprogname());
exit(1);
}
static const struct got_error *
cmd_info(int argc, char *argv[])
{
const struct got_error *error = NULL;
char *cwd = NULL, *repo_path = NULL;
struct got_repository *repo = NULL;
const struct got_gotconfig *gotconfig = NULL;
int ch, npackfiles, npackedobj, nobj;
off_t packsize, loose_size;
char scaled[FMT_SCALED_STRSIZE];
while ((ch = getopt(argc, argv, "r:")) != -1) {
switch (ch) {
case 'r':
repo_path = realpath(optarg, NULL);
if (repo_path == NULL)
return got_error_from_errno2("realpath",
optarg);
got_path_strip_trailing_slashes(repo_path);
break;
default:
usage_info();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
#ifndef PROFILE
if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
NULL) == -1)
err(1, "pledge");
#endif
cwd = getcwd(NULL, 0);
if (cwd == NULL) {
error = got_error_from_errno("getcwd");
goto done;
}
error = got_repo_open(&repo, repo_path ? repo_path : cwd, NULL);
if (error)
goto done;
error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
if (error)
goto done;
printf("repository: %s\n", got_repo_get_path_git_dir(repo));
gotconfig = got_repo_get_gotconfig(repo);
if (gotconfig) {
const struct got_remote_repo *remotes;
int i, nremotes;
if (got_gotconfig_get_author(gotconfig)) {
printf("default author: %s\n",
got_gotconfig_get_author(gotconfig));
}
got_gotconfig_get_remotes(&nremotes, &remotes, gotconfig);
for (i = 0; i < nremotes; i++) {
printf("remote \"%s\": %s\n", remotes[i].name,
remotes[i].url);
}
}
error = got_repo_get_packfile_info(&npackfiles, &npackedobj,
&packsize, repo);
if (error)
goto done;
printf("pack files: %d\n", npackfiles);
if (npackfiles > 0) {
if (fmt_scaled(packsize, scaled) == -1) {
error = got_error_from_errno("fmt_scaled");
goto done;
}
printf("packed objects: %d\n", npackedobj);
printf("packed total size: %s\n", scaled);
}
error = got_repo_get_loose_object_info(&nobj, &loose_size, repo);
if (error)
goto done;
printf("loose objects: %d\n", nobj);
if (nobj > 0) {
if (fmt_scaled(loose_size, scaled) == -1) {
error = got_error_from_errno("fmt_scaled");
goto done;
}
printf("loose total size: %s\n", scaled);
}
done:
if (repo)
got_repo_close(repo);
free(cwd);
return error;
}