add pacman-conf utility
Parsing pacman's configuration file is non-trivial and extremely difficult to do correctly from scripts; even our own do it incorrectly. pacman-conf is a dedicated tool specifically to allow scripts to parse config files, getting the same value that pacman itself would use. Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com> Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Andrew Gregory
Allan McRae
parent
fa745fb467
commit
170bb80a1f
3 changed files with 455 additions and 1 deletions
2
src/pacman/.gitignore
vendored
2
src/pacman/.gitignore
vendored
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@ -2,3 +2,5 @@
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.libs
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pacman
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pacman.exe
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pacman-conf
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pacman-conf.exe
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@ -8,7 +8,7 @@ hookdir = ${sysconfdir}/pacman.d/hooks/
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cachedir = ${localstatedir}/cache/pacman/pkg/
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logfile = ${localstatedir}/log/pacman.log
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bin_PROGRAMS = pacman
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bin_PROGRAMS = pacman pacman-conf
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AM_CPPFLAGS = \
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-imacros $(top_builddir)/config.h \
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@ -52,4 +52,19 @@ pacman_LDADD = \
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$(top_builddir)/lib/libalpm/.libs/libalpm.la \
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$(LIBARCHIVE_LIBS)
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pacman_conf_SOURCES = pacman-conf.c \
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util.h \
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util.c \
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ini.h \
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ini.c \
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util-common.h \
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util-common.c \
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callback.h \
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callback.c \
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conf.h \
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conf.c
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pacman_conf_LDADD = $(top_builddir)/lib/libalpm/.libs/libalpm.la
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# vim:set noet:
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437
src/pacman/pacman-conf.c
Normal file
437
src/pacman/pacman-conf.c
Normal file
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@ -0,0 +1,437 @@
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/*
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* pacman-conf.c - parse pacman configuration files
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*
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* Copyright (c) 2013-2018 Pacman Development Team <pacman-dev@archlinux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <getopt.h>
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#include <string.h>
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#include "conf.h"
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const char *myname = "pacman-conf", *myver = "1.0.0";
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alpm_list_t *directives = NULL;
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char sep = '\n', *repo_name = NULL;
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const char *config_file = NULL;
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int repo_list = 0, verbose = 0;
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static void cleanup(void)
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{
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alpm_list_free(directives);
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config_free(config);
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}
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static void usage(int ret)
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{
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FILE *stream = (ret ? stderr : stdout);
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#define hputs(x) fputs(x"\n", stream)
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hputs("pacman-conf - query pacman's configuration file");
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hputs("usage: pacman-conf [options] [<directive>...]");
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hputs(" pacman-conf (--repo-list|--help|--version)");
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hputs("options:");
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hputs(" --config=<path> set an alternate configuration file");
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hputs(" --rootdir=<path> set an alternate installation root");
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hputs(" --repo=<remote> query options for a specific repo");
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hputs(" --verbose always show directive names");
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hputs(" --repo-list list configured repositories");
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hputs(" --help display this help information");
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hputs(" --version display version information");
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#undef hputs
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cleanup();
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exit(ret);
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}
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static void parse_opts(int argc, char **argv)
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{
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int c;
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config_file = CONFFILE;
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const char *short_opts = "";
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struct option long_opts[] = {
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{ "config" , required_argument , NULL , 'c' },
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{ "rootdir" , required_argument , NULL , 'R' },
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{ "repo" , required_argument , NULL , 'r' },
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{ "repo-list" , no_argument , NULL , 'l' },
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{ "verbose" , no_argument , NULL , 'v' },
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{ "help" , no_argument , NULL , 'h' },
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{ "version" , no_argument , NULL , 'V' },
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{ 0, 0, 0, 0 },
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};
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while((c = getopt_long(argc, argv, short_opts, long_opts, NULL)) != -1) {
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switch(c) {
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case 'c':
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config_file = optarg;
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break;
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case 'R':
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config->rootdir = strdup(optarg);
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break;
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case 'l':
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repo_list = 1;
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break;
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case 'r':
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repo_name = optarg;
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break;
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case 'v':
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verbose = 1;
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break;
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case 'h':
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usage(0);
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break;
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case 'V':
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printf("%s v%s\n", myname, myver);
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cleanup();
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exit(0);
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break;
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case '?':
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default:
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usage(1);
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break;
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}
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}
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if(parseconfigfile(config_file) != 0 || setdefaults(config) != 0) {
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fprintf(stderr, "error parsing '%s'\n", config_file);
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}
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}
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static void list_repos(void)
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{
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alpm_list_t *r;
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for(r = config->repos; r; r = r->next) {
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config_repo_t *repo = r->data;
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if(!repo_name || strcmp(repo->name, repo_name) == 0) {
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printf("%s%c", repo->name, sep);
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}
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}
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}
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static void show_float(const char *directive, float val)
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{
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if(verbose) {
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printf("%s = ", directive);
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}
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printf("%f%c", val, sep);
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}
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static void show_bool(const char *directive, short unsigned int val)
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{
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if(val) {
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printf("%s%c", directive, sep);
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}
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}
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static void show_str(const char *directive, const char *val)
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{
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if(!val) {
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return;
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}
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if(verbose) {
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printf("%s = ", directive);
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}
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printf("%s%c", val, sep);
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}
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static void show_list_str(const char *directive, alpm_list_t *list)
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{
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alpm_list_t *i;
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for(i = list; i; i = i->next) {
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show_str(directive, i->data);
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}
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}
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static void show_cleanmethod(const char *directive, unsigned int method)
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{
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if(method & PM_CLEAN_KEEPINST) {
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show_str(directive, "KeepInstalled");
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}
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if(method & PM_CLEAN_KEEPCUR) {
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show_str(directive, "KeepCurrent");
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}
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}
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static void show_siglevel(const char *directive, alpm_siglevel_t level, int pkgonly)
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{
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if(level == ALPM_SIG_USE_DEFAULT) {
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return;
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}
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if(level & ALPM_SIG_PACKAGE) {
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if(level & ALPM_SIG_PACKAGE_OPTIONAL) {
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show_str(directive, "PackageOptional");
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} else {
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show_str(directive, "PackageRequired");
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}
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if(level & ALPM_SIG_PACKAGE_UNKNOWN_OK) {
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show_str(directive, "PackageTrustAll");
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} else {
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show_str(directive, "PackageTrustedOnly");
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}
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} else {
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show_str(directive, "PackageNever");
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}
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if(pkgonly) {
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return;
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}
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if(level & ALPM_SIG_DATABASE) {
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if(level & ALPM_SIG_DATABASE_OPTIONAL) {
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show_str(directive, "DatabaseOptional");
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} else {
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show_str(directive, "DatabaseRequired");
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}
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if(level & ALPM_SIG_DATABASE_UNKNOWN_OK) {
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show_str(directive, "DatabaseTrustAll");
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} else {
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show_str(directive, "DatabaseTrustedOnly");
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}
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} else {
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show_str(directive, "DatabaseNever");
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}
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}
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static void show_usage(const char *directive, alpm_db_usage_t usage)
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{
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if(usage & ALPM_DB_USAGE_ALL) {
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show_str(directive, "All");
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} else {
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if(usage & ALPM_DB_USAGE_SYNC) {
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show_str(directive, "Sync");
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}
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if(usage & ALPM_DB_USAGE_SEARCH) {
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show_str(directive, "Search");
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}
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if(usage & ALPM_DB_USAGE_INSTALL) {
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show_str(directive, "Install");
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}
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if(usage & ALPM_DB_USAGE_UPGRADE) {
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show_str(directive, "Upgrade");
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}
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}
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}
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static void dump_repo(config_repo_t *repo)
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{
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show_usage("Usage", repo->usage);
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show_siglevel("SigLevel", repo->siglevel, 0);
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show_list_str("Server", repo->servers);
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}
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static void dump_config(void)
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{
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alpm_list_t *i;
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printf("[options]%c", sep);
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show_str("RootDir", config->rootdir);
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show_str("DBPath", config->dbpath);
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show_list_str("CacheDir", config->cachedirs);
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show_list_str("HookDir", config->hookdirs);
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show_str("GPGDir", config->gpgdir);
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show_str("LogFile", config->logfile);
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show_list_str("HoldPkg", config->holdpkg);
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show_list_str("IgnorePkg", config->ignorepkg);
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show_list_str("IgnoreGroup", config->ignoregrp);
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show_list_str("NoUpgrade", config->noupgrade);
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show_list_str("NoExtract", config->noextract);
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show_str("Architecture", config->arch);
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show_str("XferCommand", config->xfercommand);
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show_bool("UseSyslog", config->usesyslog);
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show_bool("Color", config->color);
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show_bool("TotalDownload", config->totaldownload);
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show_bool("CheckSpace", config->checkspace);
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show_bool("VerbosePkgLists", config->verbosepkglists);
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show_bool("ILoveCandy", config->chomp);
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show_float("UseDelta", config->deltaratio);
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show_cleanmethod("CleanMethod", config->cleanmethod);
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show_siglevel("SigLevel", config->siglevel, 0);
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show_siglevel("LocalFileSigLevel", config->localfilesiglevel, 1);
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show_siglevel("RemoteFileSigLevel", config->remotefilesiglevel, 1);
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for(i = config->repos; i; i = i->next) {
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config_repo_t *repo = i->data;
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printf("[%s]%c", repo->name, sep);
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dump_repo(repo);
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}
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}
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static int list_repo_directives(void)
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{
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int ret = 0;
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alpm_list_t *i;
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config_repo_t *repo = NULL;
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for(i = config->repos; i; i = i->next) {
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if(strcmp(repo_name, ((config_repo_t*) i->data)->name) == 0) {
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repo = i->data;
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break;
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}
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}
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if(!repo) {
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fprintf(stderr, "error: repo '%s' not configured\n", repo_name);
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return 1;
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}
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if(!directives) {
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dump_repo(repo);
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return 0;
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}
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for(i = directives; i; i = i->next) {
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if(strcasecmp(i->data, "Server") == 0) {
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show_list_str("Server", repo->servers);
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} else if(strcasecmp(i->data, "SigLevel") == 0) {
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show_siglevel("SigLevel", repo->siglevel, 0);
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} else if(strcasecmp(i->data, "Usage") == 0) {
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show_usage("Usage", repo->usage);
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} else if(strcasecmp(i->data, "Include") == 0) {
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fputs("warning: 'Include' directives cannot be queried\n", stderr);
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ret = 1;
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} else {
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fprintf(stderr, "warning: unknown directive '%s'\n", (char*) i->data);
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ret = 1;
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}
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}
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return ret;
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}
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static int list_directives(void)
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{
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int ret = 0;
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alpm_list_t *i;
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if(!directives) {
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dump_config();
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return 0;
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}
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for(i = directives; i; i = i->next) {
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if(strcasecmp(i->data, "RootDir") == 0) {
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show_str("RootDir", config->rootdir);
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} else if(strcasecmp(i->data, "DBPath") == 0) {
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show_str("DBPath", config->dbpath);
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} else if(strcasecmp(i->data, "CacheDir") == 0) {
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show_list_str("CacheDir", config->cachedirs);
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} else if(strcasecmp(i->data, "HookDir") == 0) {
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show_list_str("HookDir", config->hookdirs);
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} else if(strcasecmp(i->data, "GPGDir") == 0) {
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show_str("GPGDir", config->gpgdir);
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} else if(strcasecmp(i->data, "LogFile") == 0) {
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show_str("LogFile", config->logfile);
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} else if(strcasecmp(i->data, "HoldPkg") == 0) {
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show_list_str("HoldPkg", config->holdpkg);
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} else if(strcasecmp(i->data, "IgnorePkg") == 0) {
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show_list_str("IgnorePkg", config->ignorepkg);
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} else if(strcasecmp(i->data, "IgnoreGroup") == 0) {
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show_list_str("IgnoreGroup", config->ignoregrp);
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} else if(strcasecmp(i->data, "NoUpgrade") == 0) {
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show_list_str("NoUpgrade", config->noupgrade);
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} else if(strcasecmp(i->data, "NoExtract") == 0) {
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show_list_str("NoExtract", config->noupgrade);
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} else if(strcasecmp(i->data, "Architecture") == 0) {
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show_str("Architecture", config->arch);
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} else if(strcasecmp(i->data, "XferCommand") == 0) {
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show_str("XferCommand", config->xfercommand);
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} else if(strcasecmp(i->data, "UseSyslog") == 0) {
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show_bool("UseSyslog", config->usesyslog);
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} else if(strcasecmp(i->data, "Color") == 0) {
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show_bool("Color", config->color);
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} else if(strcasecmp(i->data, "TotalDownload") == 0) {
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show_bool("TotalDownload", config->totaldownload);
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} else if(strcasecmp(i->data, "CheckSpace") == 0) {
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show_bool("CheckSpace", config->checkspace);
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} else if(strcasecmp(i->data, "VerbosePkgLists") == 0) {
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show_bool("VerbosePkgLists", config->verbosepkglists);
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} else if(strcasecmp(i->data, "UseDelta") == 0) {
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show_float("UseDelta", config->deltaratio);
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} else if(strcasecmp(i->data, "CleanMethod") == 0) {
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show_cleanmethod("CleanMethod", config->cleanmethod);
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} else if(strcasecmp(i->data, "SigLevel") == 0) {
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show_siglevel("SigLevel", config->siglevel, 0);
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} else if(strcasecmp(i->data, "LocalFileSigLevel") == 0) {
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show_siglevel("LocalFileSigLevel", config->localfilesiglevel, 1);
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} else if(strcasecmp(i->data, "RemoteFileSigLevel") == 0) {
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show_siglevel("RemoteFileSigLevel", config->remotefilesiglevel, 1);
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} else if(strcasecmp(i->data, "Include") == 0) {
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fputs("warning: 'Include' directives cannot be queried\n", stderr);
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ret = 1;
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} else {
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fprintf(stderr, "warning: unknown directive '%s'\n", (char*) i->data);
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ret = 1;
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}
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}
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return ret;
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}
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int main(int argc, char **argv)
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{
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int ret = 0;
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config = config_new();
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parse_opts(argc, argv);
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if(!config) {
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ret = 1;
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goto cleanup;
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}
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for(; optind < argc; optind++) {
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directives = alpm_list_add(directives, argv[optind]);
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}
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if(alpm_list_count(directives) != 1) {
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verbose = 1;
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}
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if(repo_list) {
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if(directives) {
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fputs("error: directives may not be specified with --repo-list\n", stderr);
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ret = 1;
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goto cleanup;
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}
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list_repos();
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} else if(repo_name) {
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ret = list_repo_directives();
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} else {
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ret = list_directives();
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}
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cleanup:
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cleanup();
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|
||||
return ret;
|
||||
}
|
||||
|
||||
/* vim: set ts=2 sw=2 noet: */
|
||||
Loading…
Add table
Reference in a new issue