xbps/bin/xbps-install/main.c
Juan RP 4d1cdcac0c Fix concurrency issues in pkgdb: only allow 1 write transaction at the same time.
This implementation relies on a POSIX named semaphore, which is also
required by xbps-rindex(8).
2014-02-23 08:23:14 +01:00

252 lines
7.0 KiB
C

/*-
* Copyright (c) 2008-2014 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <errno.h>
#include <signal.h>
#include <assert.h>
#include <unistd.h>
#include <getopt.h>
#include <xbps.h>
#include "defs.h"
static void __attribute__((noreturn))
usage(bool fail)
{
fprintf(stdout,
"Usage: xbps-install [OPTIONS] [PKGNAME...]\n\n"
"OPTIONS\n"
" -A --automatic Set automatic installation mode\n"
" -C --config <file> Full path to configuration file\n"
" -c --cachedir <dir> Full path to cachedir\n"
" -d --debug Debug mode shown to stderr\n"
" -f --force Force package re-installation\n"
" If specified twice, all files will be\n"
" overwritten.\n"
" -h --help Print help usage\n"
" -n --dry-run Dry-run mode\n"
" -R --repository=<url> Repository to be used. Can be specified\n"
" multiple times. This overrides the repositories\n"
" list of a configuration file.\n"
" -r --rootdir <dir> Full path to rootdir\n"
" -S --sync Sync remote repository index\n"
" -u --update Update target package(s)\n"
" -v --verbose Verbose messages\n"
" -y --yes Assume yes to all questions\n"
" -V --version Show XBPS version\n");
exit(fail ? EXIT_FAILURE : EXIT_SUCCESS);
}
static void
unpack_progress_cb(struct xbps_unpack_cb_data *xpd, void *cbdata _unused)
{
if (xpd->entry == NULL || xpd->entry_total_count <= 0)
return;
printf("%s: unpacked %sfile `%s' (%" PRIi64 " bytes)\n",
xpd->pkgver,
xpd->entry_is_conf ? "configuration " : "", xpd->entry,
xpd->entry_size);
}
static int
repo_import_key_cb(struct xbps_repo *repo, void *arg _unused, bool *done _unused)
{
int rv;
if ((rv = xbps_repo_key_import(repo)) != 0)
fprintf(stderr, "Failed to import pubkey from %s: %s\n",
repo->uri, strerror(rv));
return rv;
}
int
main(int argc, char **argv)
{
const char *shortopts = "AC:c:dfhnR:r:SuVvy";
const struct option longopts[] = {
{ "automatic", no_argument, NULL, 'A' },
{ "config", required_argument, NULL, 'C' },
{ "cachedir", required_argument, NULL, 'c' },
{ "debug", no_argument, NULL, 'd' },
{ "force", no_argument, NULL, 'f' },
{ "help", no_argument, NULL, 'h' },
{ "dry-run", no_argument, NULL, 'n' },
{ "repository", required_argument, NULL, 'R' },
{ "rootdir", required_argument, NULL, 'r' },
{ "sync", no_argument, NULL, 'S' },
{ "update", no_argument, NULL, 'u' },
{ "verbose", no_argument, NULL, 'v' },
{ "version", no_argument, NULL, 'V' },
{ "yes", no_argument, NULL, 'y' },
{ NULL, 0, NULL, 0 }
};
struct xbps_handle xh;
struct xferstat xfer;
const char *rootdir, *cachedir, *conffile;
int i, c, flags, rv, fflag = 0;
bool sync, yes, reinstall, drun, update;
int maxcols;
rootdir = cachedir = conffile = NULL;
flags = rv = 0;
sync = yes = reinstall = drun = update = false;
memset(&xh, 0, sizeof(xh));
while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
switch (c) {
case 'A':
flags |= XBPS_FLAG_INSTALL_AUTO;
break;
case 'C':
conffile = optarg;
break;
case 'c':
cachedir = optarg;
break;
case 'd':
flags |= XBPS_FLAG_DEBUG;
break;
case 'f':
fflag++;
if (fflag > 1)
flags |= XBPS_FLAG_FORCE_UNPACK;
reinstall = true;
break;
case 'h':
usage(false);
/* NOTREACHED */
case 'n':
drun = true;
break;
case 'R':
if (xh.repositories == NULL)
xh.repositories = xbps_array_create();
xbps_array_add_cstring_nocopy(xh.repositories, optarg);
break;
case 'r':
rootdir = optarg;
break;
case 'S':
sync = true;
break;
case 'u':
update = true;
break;
case 'v':
flags |= XBPS_FLAG_VERBOSE;
break;
case 'V':
printf("%s\n", XBPS_RELVER);
exit(EXIT_SUCCESS);
case 'y':
yes = true;
break;
case '?':
default:
usage(true);
/* NOTREACHED */
}
}
if ((!update && !sync) && (argc == optind))
usage(true);
/*
* Initialize libxbps.
*/
xh.state_cb = state_cb;
xh.fetch_cb = fetch_file_progress_cb;
xh.fetch_cb_data = &xfer;
if (rootdir)
strncpy(xh.rootdir, rootdir, sizeof(xh.rootdir));
if (cachedir)
strncpy(xh.cachedir, cachedir, sizeof(xh.cachedir));
xh.conffile = conffile;
xh.flags = flags;
if (flags & XBPS_FLAG_VERBOSE)
xh.unpack_cb = unpack_progress_cb;
if ((rv = xbps_init(&xh)) != 0) {
xbps_error_printf("Failed to initialize libxbps: %s\n",
strerror(rv));
exit(EXIT_FAILURE);
}
maxcols = get_maxcols();
/* Sync remote repository data and import keys from remote repos */
if (sync && !drun) {
if ((rv = xbps_rpool_sync(&xh, NULL)) != 0)
exit(rv);
rv = xbps_rpool_foreach(&xh, repo_import_key_cb, NULL);
if (rv != 0)
exit(rv);
}
if (sync && !update && (argc == optind))
exit(EXIT_SUCCESS);
if ((rv = xbps_pkgdb_lock(&xh)) != 0) {
fprintf(stderr, "Failed to lock the pkgdb: %s\n", strerror(rv));
exit(rv);
}
if (update && (argc == optind)) {
/* Update all installed packages */
rv = dist_upgrade(&xh, maxcols, yes, drun);
} else if (update) {
/* Update target packages */
for (i = optind; i < argc; i++) {
rv = update_pkg(&xh, argv[i]);
if (rv != 0) {
xbps_pkgdb_unlock(&xh);
exit(rv);
}
}
rv = exec_transaction(&xh, maxcols, yes, drun);
} else if (!update) {
/* Install target packages */
for (i = optind; i < argc; i++) {
rv = install_new_pkg(&xh, argv[i], reinstall);
if (rv != 0) {
xbps_pkgdb_unlock(&xh);
exit(rv);
}
}
rv = exec_transaction(&xh, maxcols, yes, drun);
}
xbps_pkgdb_unlock(&xh);
exit(rv);
}