New utilities: xbps-{install,pkgdb,query,reconfigure,rindex} (WIP).
This commit is contained in:
Juan RP
12
bin/xbps-remove/Makefile
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12
bin/xbps-remove/Makefile
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@@ -0,0 +1,12 @@
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TOPDIR = ../..
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-include $(TOPDIR)/config.mk
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BIN = xbps-remove
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OBJS = main.o
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OBJS += ../xbps-install/question.o
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OBJS += ../xbps-install/util.o
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OBJS += ../xbps-install/transaction.o
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OBJS += ../xbps-install/state_cb.o
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#MAN = $(BIN).8
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include $(TOPDIR)/mk/prog.mk
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347
bin/xbps-remove/main.c
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347
bin/xbps-remove/main.c
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@@ -0,0 +1,347 @@
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/*-
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* Copyright (c) 2008-2012 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 <dirent.h>
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#include <xbps_api.h>
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#include "../xbps-install/defs.h"
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static struct xbps_handle xh;
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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 <file> Full path to configuration file\n"
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" -c --cachedir <dir> Full path to cachedir\n"
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" -d --debug Debug mode shown to stderr\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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" -i --ignore-revdeps Ignore reverse deps\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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" -p --print-format <fmt> Print format for dry-run mode\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 void __attribute__((noreturn))
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cleanup_sighandler(int signum)
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{
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xbps_end(&xh);
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_exit(signum);
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}
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static int
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cachedir_clean(struct xbps_handle *xhp)
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{
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prop_dictionary_t pkg_propsd, repo_pkgd;
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DIR *dirp;
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struct dirent *dp;
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const char *pkgver, *rsha256;
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char *binpkg, *ext;
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int rv = 0;
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if ((dirp = opendir(xhp->cachedir)) == NULL)
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return 0;
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while ((dp = readdir(dirp)) != NULL) {
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if ((strcmp(dp->d_name, ".") == 0) ||
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(strcmp(dp->d_name, "..") == 0))
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continue;
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/* only process xbps binary packages, ignore something else */
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if ((ext = strrchr(dp->d_name, '.')) == NULL)
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continue;
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if (strcmp(ext, ".xbps")) {
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printf("ignoring unknown file: %s\n", dp->d_name);
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continue;
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}
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/* Internalize props.plist dictionary from binary pkg */
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binpkg = xbps_xasprintf("%s/%s", xhp->cachedir, dp->d_name);
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assert(binpkg != NULL);
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pkg_propsd = xbps_dictionary_metadata_plist_by_url(binpkg,
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"./props.plist");
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if (pkg_propsd == NULL) {
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xbps_error_printf("Failed to read from %s: %s\n",
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dp->d_name, strerror(errno));
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free(binpkg);
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rv = errno;
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break;
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}
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prop_dictionary_get_cstring_nocopy(pkg_propsd, "pkgver", &pkgver);
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/*
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* Remove binary pkg if it's not registered in any repository
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* or if hash doesn't match.
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*/
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repo_pkgd = xbps_rpool_find_pkg_exact(xhp, pkgver);
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if (repo_pkgd) {
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prop_dictionary_get_cstring_nocopy(repo_pkgd,
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"filename-sha256", &rsha256);
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if (xbps_file_hash_check(binpkg, rsha256) == ERANGE) {
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printf("Removed %s from cachedir (sha256 mismatch)\n",
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dp->d_name);
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if (unlink(binpkg) == -1)
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fprintf(stderr, "Failed to remove "
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"`%s': %s\n", binpkg,
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strerror(errno));
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}
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free(binpkg);
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continue;
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}
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printf("Removed %s from cachedir (obsolete)\n", dp->d_name);
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if (unlink(binpkg) == -1)
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fprintf(stderr, "Failed to remove `%s': %s\n",
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binpkg, strerror(errno));
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free(binpkg);
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}
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closedir(dirp);
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return rv;
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}
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static int
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remove_pkg(struct xbps_handle *xhp, const char *pkgname, size_t cols,
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bool recursive)
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{
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prop_dictionary_t pkgd;
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prop_array_t reqby;
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const char *pkgver;
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size_t x;
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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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/* pkg has revdeps */
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pkgd = xbps_find_pkg_dict_installed(xhp, pkgname, false);
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prop_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
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reqby = prop_dictionary_get(pkgd, "requiredby");
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printf("WARNING: %s IS REQUIRED BY %u PACKAGE%s:\n\n",
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pkgver, prop_array_count(reqby),
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prop_array_count(reqby) > 1 ? "S" : "");
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for (x = 0; x < prop_array_count(reqby); x++) {
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prop_array_get_cstring_nocopy(reqby, x, &pkgver);
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print_package_line(pkgver, cols, false);
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}
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printf("\n\n");
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print_package_line(NULL, cols, true);
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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 0;
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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:dfhinOop:Rr:vVy";
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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", no_argument, NULL, 'f' },
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{ "help", no_argument, NULL, 'h' },
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{ "ignore-revdeps", no_argument, NULL, 'i' },
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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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{ "print-format", required_argument, NULL, 'p' },
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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 sigaction sa;
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const char *rootdir, *cachedir, *conffile, *pformat;
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int i, c, flags, rv;
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bool yes, drun, recursive, ignore_revdeps, clean_cache;
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bool orphans, reqby_force;
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size_t maxcols;
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rootdir = cachedir = conffile = pformat = NULL;
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flags = rv = 0;
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drun = recursive = ignore_revdeps = clean_cache = false;
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reqby_force = 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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conffile = 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_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 'i':
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ignore_revdeps = true;
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break;
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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 'p':
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pformat = optarg;
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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;
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xh.rootdir = rootdir;
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xh.cachedir = cachedir;
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xh.conffile = conffile;
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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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/*
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* Register a signal handler to clean up resources used by libxbps.
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*/
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = cleanup_sighandler;
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sigaction(SIGHUP, &sa, NULL);
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sigaction(SIGINT, &sa, NULL);
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sigaction(SIGTERM, &sa, NULL);
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maxcols = get_maxcols();
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/*
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* Check that we have write permission on rootdir, metadir
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* and cachedir.
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*/
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if ((!drun && ((access(xh.rootdir, W_OK) == -1) ||
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(access(xh.metadir, W_OK) == -1) ||
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(access(xh.cachedir, W_OK) == -1)))) {
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if (errno != ENOENT) {
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fprintf(stderr, "Not enough permissions on "
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"rootdir/cachedir/metadir: %s\n",
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strerror(errno));
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rv = errno;
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goto out;
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}
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}
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if (clean_cache) {
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rv = cachedir_clean(&xh);
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if (rv != 0)
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goto out;
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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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if (rv != ENOENT) {
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fprintf(stderr, "Failed to remove package "
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"orphans: %s\n", strerror(rv));
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goto out;
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}
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}
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}
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for (i = optind; i < argc; i++) {
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rv = remove_pkg(&xh, argv[i], maxcols, recursive);
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if (rv == 0)
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continue;
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else if (rv != EEXIST)
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goto out;
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else
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reqby_force = true;
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}
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if (reqby_force && !ignore_revdeps) {
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rv = EINVAL;
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goto out;
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}
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if (orphans || argc)
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rv = exec_transaction(&xh, maxcols, yes, drun);
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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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