308 lines
8.2 KiB
C
308 lines
8.2 KiB
C
/*-
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* Copyright (c) 2008-2015 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <errno.h>
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#include <signal.h>
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#include <assert.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <syslog.h>
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#include <xbps.h>
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#include "../xbps-install/defs.h"
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#include "defs.h"
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static void __attribute__((noreturn))
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usage(bool fail)
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{
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fprintf(stdout,
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"Usage: xbps-remove [OPTIONS] [PKGNAME...]\n\n"
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"OPTIONS\n"
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" -C --config <dir> Path to confdir (xbps.d)\n"
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" -c --cachedir <dir> Path to cachedir\n"
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" -d --debug Debug mode shown to stderr\n"
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" -F --force-revdeps Force package removal even with revdeps or\n"
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" unresolved shared libraries\n"
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" -f --force Force package files removal\n"
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" -h --help Print help usage\n"
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" -n --dry-run Dry-run mode\n"
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" -O --clean-cache Remove obsolete packages in cachedir\n"
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" -o --remove-orphans Remove package orphans\n"
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" -R --recursive Recursively remove dependencies\n"
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" -r --rootdir <dir> Full path to rootdir\n"
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" -v --verbose Verbose messages\n"
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" -y --yes Assume yes to all questions\n"
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" -V --version Show XBPS version\n");
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exit(fail ? EXIT_FAILURE : EXIT_SUCCESS);
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}
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static int
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state_cb_rm(const struct xbps_state_cb_data *xscd, void *cbdata UNUSED)
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{
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bool slog = false;
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if ((xscd->xhp->flags & XBPS_FLAG_DISABLE_SYSLOG) == 0) {
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slog = true;
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openlog("xbps-remove", 0, LOG_USER);
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}
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switch (xscd->state) {
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/* notifications */
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case XBPS_STATE_REMOVE:
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printf("Removing `%s' ...\n", xscd->arg);
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break;
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/* success */
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case XBPS_STATE_REMOVE_FILE:
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case XBPS_STATE_REMOVE_FILE_OBSOLETE:
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if (xscd->xhp->flags & XBPS_FLAG_VERBOSE)
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printf("%s\n", xscd->desc);
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break;
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case XBPS_STATE_REMOVE_DONE:
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printf("Removed `%s' successfully.\n", xscd->arg);
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if (slog) {
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syslog(LOG_NOTICE, "Removed `%s' successfully "
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"(rootdir: %s).", xscd->arg,
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xscd->xhp->rootdir);
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}
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break;
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case XBPS_STATE_SHOW_REMOVE_MSG:
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printf("%s: pre-remove message:\n", xscd->arg);
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printf("========================================================================\n");
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printf("%s", xscd->desc);
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printf("========================================================================\n");
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break;
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/* errors */
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case XBPS_STATE_REMOVE_FAIL:
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xbps_error_printf("%s\n", xscd->desc);
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if (slog) {
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syslog(LOG_ERR, "%s", xscd->desc);
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}
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break;
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case XBPS_STATE_REMOVE_FILE_FAIL:
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case XBPS_STATE_REMOVE_FILE_HASH_FAIL:
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case XBPS_STATE_REMOVE_FILE_OBSOLETE_FAIL:
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/* Ignore errors due to not empty directories or directories being a mount point */
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if (xscd->err == ENOTEMPTY || xscd->err == EBUSY)
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return 0;
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xbps_error_printf("%s\n", xscd->desc);
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if (slog) {
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syslog(LOG_ERR, "%s", xscd->desc);
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}
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break;
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case XBPS_STATE_ALTGROUP_ADDED:
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case XBPS_STATE_ALTGROUP_REMOVED:
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case XBPS_STATE_ALTGROUP_SWITCHED:
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case XBPS_STATE_ALTGROUP_LINK_ADDED:
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case XBPS_STATE_ALTGROUP_LINK_REMOVED:
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if (xscd->desc) {
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printf("%s\n", xscd->desc);
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if (slog)
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syslog(LOG_NOTICE, "%s", xscd->desc);
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static int
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remove_pkg(struct xbps_handle *xhp, const char *pkgname, bool recursive)
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{
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int rv;
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rv = xbps_transaction_remove_pkg(xhp, pkgname, recursive);
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if (rv == EEXIST) {
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return rv;
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} else if (rv == ENOENT) {
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printf("Package `%s' is not currently installed.\n", pkgname);
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return rv;
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} else if (rv != 0) {
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xbps_error_printf("Failed to queue `%s' for removing: %s\n",
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pkgname, strerror(rv));
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return rv;
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}
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return 0;
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}
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int
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main(int argc, char **argv)
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{
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const char *shortopts = "C:c:dFfhnOoRr:vVy";
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const struct option longopts[] = {
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{ "config", required_argument, NULL, 'C' },
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{ "cachedir", required_argument, NULL, 'c' },
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{ "debug", no_argument, NULL, 'd' },
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{ "force-revdeps", no_argument, NULL, 'F' },
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{ "force", no_argument, NULL, 'f' },
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{ "help", no_argument, NULL, 'h' },
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{ "dry-run", no_argument, NULL, 'n' },
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{ "clean-cache", no_argument, NULL, 'O' },
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{ "remove-orphans", no_argument, NULL, 'o' },
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{ "recursive", no_argument, NULL, 'R' },
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{ "rootdir", required_argument, NULL, 'r' },
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{ "verbose", no_argument, NULL, 'v' },
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{ "version", no_argument, NULL, 'V' },
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{ "yes", no_argument, NULL, 'y' },
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{ NULL, 0, NULL, 0 }
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};
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struct xbps_handle xh;
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const char *rootdir, *cachedir, *confdir;
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int c, flags, rv;
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bool yes, drun, recursive, clean_cache, orphans;
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int maxcols, missing;
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rootdir = cachedir = confdir = NULL;
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flags = rv = 0;
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drun = recursive = clean_cache = yes = orphans = false;
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while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1) {
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switch (c) {
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case 'C':
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confdir = optarg;
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break;
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case 'c':
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cachedir = optarg;
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break;
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case 'd':
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flags |= XBPS_FLAG_DEBUG;
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break;
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case 'F':
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flags |= XBPS_FLAG_FORCE_REMOVE_REVDEPS;
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break;
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case 'f':
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flags |= XBPS_FLAG_FORCE_REMOVE_FILES;
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break;
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case 'h':
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usage(false);
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/* NOTREACHED */
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case 'n':
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drun = true;
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break;
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case 'O':
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clean_cache = true;
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break;
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case 'o':
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orphans = true;
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break;
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case 'R':
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recursive = true;
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break;
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case 'r':
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rootdir = optarg;
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break;
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case 'v':
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flags |= XBPS_FLAG_VERBOSE;
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break;
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case 'V':
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printf("%s\n", XBPS_RELVER);
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exit(EXIT_SUCCESS);
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case 'y':
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yes = true;
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break;
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case '?':
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default:
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usage(true);
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/* NOTREACHED */
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}
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}
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if (!clean_cache && !orphans && (argc == optind))
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usage(true);
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/*
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* Initialize libxbps.
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*/
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memset(&xh, 0, sizeof(xh));
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xh.state_cb = state_cb_rm;
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if (rootdir)
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xbps_strlcpy(xh.rootdir, rootdir, sizeof(xh.rootdir));
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if (cachedir)
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xbps_strlcpy(xh.cachedir, cachedir, sizeof(xh.cachedir));
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if (confdir)
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xbps_strlcpy(xh.confdir, confdir, sizeof(xh.confdir));
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xh.flags = flags;
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if ((rv = xbps_init(&xh)) != 0) {
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xbps_error_printf("Failed to initialize libxbps: %s\n",
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strerror(rv));
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exit(EXIT_FAILURE);
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}
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maxcols = get_maxcols();
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if (clean_cache) {
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rv = clean_cachedir(&xh, drun);
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if (!orphans || rv)
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exit(rv);;
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}
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if (!drun && (rv = xbps_pkgdb_lock(&xh)) != 0) {
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fprintf(stderr, "failed to lock pkgdb: %s\n", strerror(rv));
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exit(rv);
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}
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if (orphans) {
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if ((rv = xbps_transaction_autoremove_pkgs(&xh)) != 0) {
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xbps_end(&xh);
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if (rv != ENOENT) {
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fprintf(stderr, "Failed to queue package "
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"orphans: %s\n", strerror(rv));
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exit(EXIT_FAILURE);
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}
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exit(EXIT_SUCCESS);
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}
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}
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missing = optind;
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for (int i = optind; i < argc; i++) {
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rv = remove_pkg(&xh, argv[i], recursive);
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if (rv == ENOENT) {
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missing++;
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continue;
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} else if (rv != 0) {
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xbps_end(&xh);
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exit(rv);
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}
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}
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if (missing == argc) {
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goto out;
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}
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if (orphans || (argc > optind)) {
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rv = exec_transaction(&xh, maxcols, yes, drun);
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}
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out:
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xbps_end(&xh);
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exit(rv);
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}
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