summaryrefslogtreecommitdiffstats
path: root/src/query/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/query/main.c')
-rw-r--r--src/query/main.c887
1 files changed, 887 insertions, 0 deletions
diff --git a/src/query/main.c b/src/query/main.c
new file mode 100644
index 0000000..7f8de59
--- /dev/null
+++ b/src/query/main.c
@@ -0,0 +1,887 @@
+/*
+ * dpkg-query - program for query the dpkg database
+ * querycmd.c - status enquiry and listing options
+ *
+ * Copyright © 1995,1996 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2000,2001 Wichert Akkerman <wakkerma@debian.org>
+ * Copyright © 2006-2015 Guillem Jover <guillem@debian.org>
+ * Copyright © 2011 Linaro Limited
+ * Copyright © 2011 Raphaël Hertzog <hertzog@debian.org>
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#if HAVE_LOCALE_H
+#include <locale.h>
+#endif
+#include <errno.h>
+#include <limits.h>
+#include <string.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <fnmatch.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/debug.h>
+#include <dpkg/pkg-array.h>
+#include <dpkg/pkg-spec.h>
+#include <dpkg/pkg-format.h>
+#include <dpkg/pkg-show.h>
+#include <dpkg/string.h>
+#include <dpkg/path.h>
+#include <dpkg/file.h>
+#include <dpkg/pager.h>
+#include <dpkg/options.h>
+#include <dpkg/db-ctrl.h>
+#include <dpkg/db-fsys.h>
+
+#include "actions.h"
+
+static const char *opt_showformat = "${binary:Package}\t${Version}\n";
+
+static int opt_loadavail = 0;
+
+static int
+pkg_array_match_patterns(struct pkg_array *array,
+ pkg_array_visitor_func *pkg_visitor, void *pkg_data,
+ const char *const *argv)
+{
+ int argc, i, ip, *found;
+ int rc = 0;
+ struct pkg_spec *ps;
+
+ for (argc = 0; argv[argc]; argc++);
+ found = m_calloc(argc, sizeof(int));
+
+ ps = m_malloc(sizeof(*ps) * argc);
+ for (ip = 0; ip < argc; ip++) {
+ pkg_spec_init(&ps[ip], PKG_SPEC_PATTERNS | PKG_SPEC_ARCH_WILDCARD);
+ pkg_spec_parse(&ps[ip], argv[ip]);
+ }
+
+ for (i = 0; i < array->n_pkgs; i++) {
+ struct pkginfo *pkg;
+ bool pkg_found = false;
+
+ pkg = array->pkgs[i];
+ for (ip = 0; ip < argc; ip++) {
+ if (pkg_spec_match_pkg(&ps[ip], pkg, &pkg->installed)) {
+ pkg_found = true;
+ found[ip]++;
+ }
+ }
+ if (!pkg_found)
+ array->pkgs[i] = NULL;
+ }
+
+ pkg_array_foreach(array, pkg_visitor, pkg_data);
+
+ for (ip = 0; ip < argc; ip++) {
+ if (!found[ip]) {
+ notice(_("no packages found matching %s"), argv[ip]);
+ rc++;
+ }
+ pkg_spec_destroy(&ps[ip]);
+ }
+
+ free(ps);
+ free(found);
+
+ return rc;
+}
+
+struct list_format {
+ bool head;
+ int nw;
+ int vw;
+ int aw;
+ int dw;
+};
+
+static void
+list_format_init(struct list_format *fmt, struct pkg_array *array)
+{
+ int i;
+
+ if (fmt->nw != 0)
+ return;
+
+ fmt->nw = 14;
+ fmt->vw = 12;
+ fmt->aw = 12;
+ fmt->dw = 33;
+
+ for (i = 0; i < array->n_pkgs; i++) {
+ int plen, vlen, alen, dlen;
+
+ if (array->pkgs[i] == NULL)
+ continue;
+
+ plen = str_width(pkg_name(array->pkgs[i], pnaw_nonambig));
+ vlen = str_width(versiondescribe(&array->pkgs[i]->installed.version,
+ vdew_nonambig));
+ alen = str_width(dpkg_arch_describe(array->pkgs[i]->installed.arch));
+ pkg_synopsis(array->pkgs[i], &dlen);
+
+ if (plen > fmt->nw)
+ fmt->nw = plen;
+ if (vlen > fmt->vw)
+ fmt->vw = vlen;
+ if (alen > fmt->aw)
+ fmt->aw = alen;
+ if (dlen > fmt->dw)
+ fmt->dw = dlen;
+ }
+}
+
+static void
+list_format_print(struct list_format *fmt,
+ int c_want, int c_status, int c_eflag,
+ const char *name, const char *version, const char *arch,
+ const char *desc, int desc_len)
+{
+ struct str_crop_info ns, vs, as, ds;
+
+ str_gen_crop(name, fmt->nw, &ns);
+ str_gen_crop(version, fmt->vw, &vs);
+ str_gen_crop(arch, fmt->aw, &as);
+ str_gen_crop(desc, desc_len, &ds);
+
+ printf("%c%c%c %-*.*s %-*.*s %-*.*s %.*s\n", c_want, c_status, c_eflag,
+ ns.max_bytes, ns.str_bytes, name,
+ vs.max_bytes, vs.str_bytes, version,
+ as.max_bytes, as.str_bytes, arch,
+ ds.str_bytes, desc);
+}
+
+static void
+list_format_print_header(struct list_format *fmt)
+{
+ int l;
+
+ if (fmt->head)
+ return;
+
+ /* TRANSLATORS: This is the header that appears on 'dpkg-query -l'. The
+ * string should remain under 80 characters. The uppercase letters in
+ * the state values denote the abbreviated letter that will appear on
+ * the first three columns, which should ideally match the English one
+ * (e.g. Remove → supRimeix), see dpkg-query(1) for further details. The
+ * translated message can use additional lines if needed. */
+ fputs(_("\
+Desired=Unknown/Install/Remove/Purge/Hold\n\
+| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend\n\
+|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)\n"), stdout);
+ list_format_print(fmt, '|', '|', '/', _("Name"), _("Version"),
+ _("Architecture"), _("Description"), fmt->dw);
+
+ /* Status */
+ printf("+++-");
+
+ /* Package name. */
+ for (l = 0; l < fmt->nw; l++)
+ printf("=");
+ printf("-");
+
+ /* Version. */
+ for (l = 0; l < fmt->vw; l++)
+ printf("=");
+ printf("-");
+
+ /* Architecture. */
+ for (l = 0; l < fmt->aw; l++)
+ printf("=");
+ printf("-");
+
+ /* Description. */
+ for (l = 0; l < fmt->dw; l++)
+ printf("=");
+ printf("\n");
+
+ fmt->head = true;
+}
+
+static void
+pkg_array_list_item(struct pkg_array *array, struct pkginfo *pkg, void *pkg_data)
+{
+ struct list_format *fmt = pkg_data;
+ int l;
+ const char *pdesc;
+
+ list_format_init(fmt, array);
+ list_format_print_header(fmt);
+
+ pdesc = pkg_synopsis(pkg, &l);
+ l = min(l, fmt->dw);
+
+ list_format_print(fmt,
+ pkg_abbrev_want(pkg),
+ pkg_abbrev_status(pkg),
+ pkg_abbrev_eflag(pkg),
+ pkg_name(pkg, pnaw_nonambig),
+ versiondescribe(&pkg->installed.version, vdew_nonambig),
+ dpkg_arch_describe(pkg->installed.arch),
+ pdesc, l);
+}
+
+static int
+listpackages(const char *const *argv)
+{
+ struct pkg_array array;
+ int rc = 0;
+ struct list_format fmt;
+ struct pager *pager;
+
+ if (!opt_loadavail)
+ modstatdb_open(msdbrw_readonly);
+ else
+ modstatdb_open(msdbrw_readonly | msdbrw_available_readonly);
+
+ pkg_array_init_from_hash(&array);
+ pkg_array_sort(&array, pkg_sorter_by_nonambig_name_arch);
+
+ memset(&fmt, 0, sizeof(fmt));
+
+ pager = pager_spawn(_("showing package list on pager"));
+
+ if (!*argv) {
+ int i;
+
+ for (i = 0; i < array.n_pkgs; i++) {
+ struct pkginfo *pkg;
+
+ pkg = array.pkgs[i];
+ if (pkg->status == PKG_STAT_NOTINSTALLED)
+ array.pkgs[i] = NULL;
+ }
+
+ pkg_array_foreach(&array, pkg_array_list_item, &fmt);
+ } else {
+ rc = pkg_array_match_patterns(&array, pkg_array_list_item, &fmt, argv);
+ }
+
+ m_output(stdout, _("<standard output>"));
+ m_output(stderr, _("<standard error>"));
+
+ pager_reap(pager);
+
+ pkg_array_destroy(&array);
+ modstatdb_shutdown();
+
+ return rc;
+}
+
+static int
+searchoutput(struct fsys_namenode *namenode)
+{
+ struct fsys_node_pkgs_iter *iter;
+ struct pkginfo *pkg_owner;
+ int found;
+
+ if (namenode->divert) {
+ const char *name_from = namenode->divert->camefrom ?
+ namenode->divert->camefrom->name : namenode->name;
+ const char *name_to = namenode->divert->useinstead ?
+ namenode->divert->useinstead->name : namenode->name;
+
+ if (namenode->divert->pkgset) {
+ printf(_("diversion by %s from: %s\n"),
+ namenode->divert->pkgset->name, name_from);
+ printf(_("diversion by %s to: %s\n"),
+ namenode->divert->pkgset->name, name_to);
+ } else {
+ printf(_("local diversion from: %s\n"), name_from);
+ printf(_("local diversion to: %s\n"), name_to);
+ }
+ }
+ found= 0;
+
+ iter = fsys_node_pkgs_iter_new(namenode);
+ while ((pkg_owner = fsys_node_pkgs_iter_next(iter))) {
+ if (found)
+ fputs(", ", stdout);
+ fputs(pkg_name(pkg_owner, pnaw_nonambig), stdout);
+ found++;
+ }
+ fsys_node_pkgs_iter_free(iter);
+
+ if (found) printf(": %s\n",namenode->name);
+ return found + (namenode->divert ? 1 : 0);
+}
+
+static int
+searchfiles(const char *const *argv)
+{
+ const char *thisarg;
+ int failures = 0;
+ struct varbuf path = VARBUF_INIT;
+ static struct varbuf vb;
+
+ if (!*argv)
+ badusage(_("--search needs at least one file name pattern argument"));
+
+ modstatdb_open(msdbrw_readonly);
+ ensure_allinstfiles_available_quiet();
+ ensure_diversions();
+
+ while ((thisarg = *argv++) != NULL) {
+ struct fsys_namenode *namenode;
+ int found = 0;
+
+ if (!strchr("*[?/",*thisarg)) {
+ varbuf_reset(&vb);
+ varbuf_add_char(&vb, '*');
+ varbuf_add_str(&vb, thisarg);
+ varbuf_add_char(&vb, '*');
+ varbuf_end_str(&vb);
+ thisarg= vb.buf;
+ }
+ if (!strpbrk(thisarg, "*[?\\")) {
+ /* Trim trailing ‘/’ and ‘/.’ from the argument if it is not
+ * a pattern, just a pathname. */
+ varbuf_set_str(&path, thisarg);
+ varbuf_trunc(&path, path_trim_slash_slashdot(path.buf));
+
+ namenode = fsys_hash_find_node(path.buf, FHFF_NONE);
+ found += searchoutput(namenode);
+ } else {
+ struct fsys_hash_iter *iter;
+
+ iter = fsys_hash_iter_new();
+ while ((namenode = fsys_hash_iter_next(iter)) != NULL) {
+ if (fnmatch(thisarg,namenode->name,0)) continue;
+ found+= searchoutput(namenode);
+ }
+ fsys_hash_iter_free(iter);
+ }
+ if (!found) {
+ notice(_("no path found matching pattern %s"), thisarg);
+ failures++;
+ m_output(stderr, _("<standard error>"));
+ } else {
+ m_output(stdout, _("<standard output>"));
+ }
+ }
+ modstatdb_shutdown();
+
+ varbuf_destroy(&path);
+
+ return failures;
+}
+
+static int
+print_status(const char *const *argv)
+{
+ int failures = 0;
+
+ modstatdb_open(msdbrw_readonly);
+
+ if (!*argv) {
+ writedb_stanzas(stdout, _("<standard output>"), 0);
+ } else {
+ const char *thisarg;
+
+ while ((thisarg = *argv++) != NULL) {
+ struct pkginfo *pkg;
+
+ pkg = dpkg_options_parse_pkgname(cipaction, thisarg);
+
+ if (pkg->status == PKG_STAT_NOTINSTALLED &&
+ pkg->priority == PKG_PRIO_UNKNOWN &&
+ str_is_unset(pkg->section) &&
+ !pkg->archives &&
+ pkg->want == PKG_WANT_UNKNOWN &&
+ !pkg_is_informative(pkg, &pkg->installed)) {
+ notice(_("package '%s' is not installed and no information is available"),
+ pkg_name(pkg, pnaw_nonambig));
+ failures++;
+ } else {
+ write_stanza(stdout, _("<standard output>"), pkg, &pkg->installed);
+ }
+
+ if (*argv != NULL)
+ putchar('\n');
+ }
+ }
+
+ m_output(stdout, _("<standard output>"));
+ if (failures) {
+ fputs(_("Use dpkg --info (= dpkg-deb --info) to examine archive files.\n"),
+ stderr);
+ m_output(stderr, _("<standard error>"));
+ }
+
+ modstatdb_shutdown();
+
+ return failures;
+}
+
+static int
+print_avail(const char *const *argv)
+{
+ int failures = 0;
+
+ modstatdb_open(msdbrw_readonly | msdbrw_available_readonly);
+
+ if (!*argv) {
+ writedb_stanzas(stdout, _("<standard output>"), wdb_dump_available);
+ } else {
+ const char *thisarg;
+
+ while ((thisarg = *argv++) != NULL) {
+ struct pkginfo *pkg;
+
+ pkg = dpkg_options_parse_pkgname(cipaction, thisarg);
+
+ if (!pkg_is_informative(pkg, &pkg->available)) {
+ notice(_("package '%s' is not available"),
+ pkgbin_name(pkg, &pkg->available, pnaw_nonambig));
+ failures++;
+ } else {
+ write_stanza(stdout, _("<standard output>"), pkg, &pkg->available);
+ }
+
+ if (*argv != NULL)
+ putchar('\n');
+ }
+ }
+
+ m_output(stdout, _("<standard output>"));
+ if (failures)
+ m_output(stderr, _("<standard error>"));
+
+ modstatdb_shutdown();
+
+ return failures;
+}
+
+static int
+list_files(const char *const *argv)
+{
+ const char *thisarg;
+ struct fsys_namenode_list *file;
+ struct pkginfo *pkg;
+ struct fsys_namenode *namenode;
+ int failures = 0;
+
+ if (!*argv)
+ badusage(_("--%s needs at least one package name argument"), cipaction->olong);
+
+ modstatdb_open(msdbrw_readonly);
+
+ while ((thisarg = *argv++) != NULL) {
+ pkg = dpkg_options_parse_pkgname(cipaction, thisarg);
+
+ switch (pkg->status) {
+ case PKG_STAT_NOTINSTALLED:
+ notice(_("package '%s' is not installed"),
+ pkg_name(pkg, pnaw_nonambig));
+ failures++;
+ break;
+ default:
+ ensure_packagefiles_available(pkg);
+ ensure_diversions();
+ file = pkg->files;
+ if (!file) {
+ printf(_("Package '%s' does not contain any files (!)\n"),
+ pkg_name(pkg, pnaw_nonambig));
+ } else {
+ while (file) {
+ namenode = file->namenode;
+ puts(namenode->name);
+ if (namenode->divert && !namenode->divert->camefrom) {
+ if (!namenode->divert->pkgset)
+ printf(_("locally diverted to: %s\n"),
+ namenode->divert->useinstead->name);
+ else if (pkg->set == namenode->divert->pkgset)
+ printf(_("package diverts others to: %s\n"),
+ namenode->divert->useinstead->name);
+ else
+ printf(_("diverted by %s to: %s\n"),
+ namenode->divert->pkgset->name,
+ namenode->divert->useinstead->name);
+ }
+ file = file->next;
+ }
+ }
+ break;
+ }
+
+ if (*argv != NULL)
+ putchar('\n');
+ }
+
+ m_output(stdout, _("<standard output>"));
+ if (failures) {
+ fputs(_("Use dpkg --contents (= dpkg-deb --contents) to list archive files contents.\n"),
+ stderr);
+ m_output(stderr, _("<standard error>"));
+ }
+
+ modstatdb_shutdown();
+
+ return failures;
+}
+
+static void
+pkg_array_load_db_fsys(struct pkg_array *array, struct pkginfo *pkg, void *pkg_data)
+{
+ ensure_packagefiles_available(pkg);
+}
+
+static void
+pkg_array_show_item(struct pkg_array *array, struct pkginfo *pkg, void *pkg_data)
+{
+ struct pkg_format_node *fmt = pkg_data;
+
+ pkg_format_show(fmt, pkg, &pkg->installed);
+}
+
+static int
+showpackages(const char *const *argv)
+{
+ struct dpkg_error err;
+ struct pkg_array array;
+ struct pkg_format_node *fmt;
+ bool fmt_needs_db_fsys;
+ int rc = 0;
+
+ fmt = pkg_format_parse(opt_showformat, &err);
+ if (!fmt) {
+ notice(_("error in show format: %s"), err.str);
+ dpkg_error_destroy(&err);
+ rc++;
+ return rc;
+ }
+
+ fmt_needs_db_fsys = pkg_format_needs_db_fsys(fmt);
+
+ if (!opt_loadavail)
+ modstatdb_open(msdbrw_readonly);
+ else
+ modstatdb_open(msdbrw_readonly | msdbrw_available_readonly);
+
+ pkg_array_init_from_hash(&array);
+ pkg_array_sort(&array, pkg_sorter_by_nonambig_name_arch);
+
+ if (!*argv) {
+ int i;
+
+ if (fmt_needs_db_fsys)
+ ensure_allinstfiles_available_quiet();
+ for (i = 0; i < array.n_pkgs; i++) {
+ struct pkginfo *pkg;
+
+ pkg = array.pkgs[i];
+ if (pkg->status == PKG_STAT_NOTINSTALLED)
+ continue;
+ pkg_format_show(fmt, pkg, &pkg->installed);
+ }
+ } else {
+ if (fmt_needs_db_fsys)
+ pkg_array_foreach(&array, pkg_array_load_db_fsys, NULL);
+ rc = pkg_array_match_patterns(&array, pkg_array_show_item, fmt, argv);
+ }
+
+ m_output(stdout, _("<standard output>"));
+ m_output(stderr, _("<standard error>"));
+
+ pkg_array_destroy(&array);
+ pkg_format_free(fmt);
+ modstatdb_shutdown();
+
+ return rc;
+}
+
+static bool
+pkg_infodb_is_internal(const char *filetype)
+{
+ /* Do not expose internal database files. */
+ if (strcmp(filetype, LISTFILE) == 0 ||
+ strcmp(filetype, CONFFILESFILE) == 0)
+ return true;
+
+ if (strlen(filetype) > MAXCONTROLFILENAME)
+ return true;
+
+ return false;
+}
+
+static void
+pkg_infodb_check_filetype(const char *filetype)
+{
+ const char *c;
+
+ /* Validate control file name for sanity. */
+ for (c = "/."; *c; c++)
+ if (strchr(filetype, *c))
+ badusage(_("control file contains %c"), *c);
+}
+
+static void
+pkg_infodb_print_filename(const char *filename, const char *filetype)
+{
+ if (pkg_infodb_is_internal(filetype))
+ return;
+
+ printf("%s\n", filename);
+}
+
+static void
+pkg_infodb_print_filetype(const char *filename, const char *filetype)
+{
+ if (pkg_infodb_is_internal(filetype))
+ return;
+
+ printf("%s\n", filetype);
+}
+
+static void
+control_path_file(struct pkginfo *pkg, const char *control_file)
+{
+ const char *control_pathname;
+ struct stat st;
+
+ control_pathname = pkg_infodb_get_file(pkg, &pkg->installed, control_file);
+ if (stat(control_pathname, &st) < 0)
+ return;
+ if (!S_ISREG(st.st_mode))
+ return;
+
+ pkg_infodb_print_filename(control_pathname, control_file);
+}
+
+static int
+control_path(const char *const *argv)
+{
+ struct pkginfo *pkg;
+ const char *pkgname;
+ const char *control_file;
+
+ pkgname = *argv++;
+ if (!pkgname)
+ badusage(_("--%s needs at least one package name argument"),
+ cipaction->olong);
+
+ control_file = *argv++;
+ if (control_file && *argv)
+ badusage(_("--%s takes at most two arguments"), cipaction->olong);
+
+ if (control_file)
+ pkg_infodb_check_filetype(control_file);
+
+ modstatdb_open(msdbrw_readonly);
+
+ pkg = dpkg_options_parse_pkgname(cipaction, pkgname);
+ if (pkg->status == PKG_STAT_NOTINSTALLED)
+ ohshit(_("package '%s' is not installed"),
+ pkg_name(pkg, pnaw_nonambig));
+
+ if (control_file)
+ control_path_file(pkg, control_file);
+ else
+ pkg_infodb_foreach(pkg, &pkg->installed, pkg_infodb_print_filename);
+
+ modstatdb_shutdown();
+
+ return 0;
+}
+
+static int
+control_list(const char *const *argv)
+{
+ struct pkginfo *pkg;
+ const char *pkgname;
+
+ pkgname = *argv++;
+ if (!pkgname || *argv)
+ badusage(_("--%s takes one package name argument"), cipaction->olong);
+
+ modstatdb_open(msdbrw_readonly);
+
+ pkg = dpkg_options_parse_pkgname(cipaction, pkgname);
+ if (pkg->status == PKG_STAT_NOTINSTALLED)
+ ohshit(_("package '%s' is not installed"), pkg_name(pkg, pnaw_nonambig));
+
+ pkg_infodb_foreach(pkg, &pkg->installed, pkg_infodb_print_filetype);
+
+ modstatdb_shutdown();
+
+ return 0;
+}
+
+static int
+control_show(const char *const *argv)
+{
+ struct pkginfo *pkg;
+ const char *pkgname;
+ const char *filename;
+ const char *control_file;
+
+ pkgname = *argv++;
+ if (!pkgname || !*argv)
+ badusage(_("--%s takes exactly two arguments"),
+ cipaction->olong);
+
+ control_file = *argv++;
+ if (!control_file || *argv)
+ badusage(_("--%s takes exactly two arguments"), cipaction->olong);
+
+ pkg_infodb_check_filetype(control_file);
+
+ modstatdb_open(msdbrw_readonly);
+
+ pkg = dpkg_options_parse_pkgname(cipaction, pkgname);
+ if (pkg->status == PKG_STAT_NOTINSTALLED)
+ ohshit(_("package '%s' is not installed"), pkg_name(pkg, pnaw_nonambig));
+
+ if (pkg_infodb_has_file(pkg, &pkg->installed, control_file))
+ filename = pkg_infodb_get_file(pkg, &pkg->installed, control_file);
+ else
+ ohshit(_("control file '%s' does not exist"), control_file);
+
+ modstatdb_shutdown();
+
+ file_show(filename);
+
+ return 0;
+}
+
+static void
+set_no_pager(const struct cmdinfo *ci, const char *value)
+{
+ pager_enable(false);
+}
+
+static int
+printversion(const char *const *argv)
+{
+ printf(_("Debian %s package management program query tool version %s.\n"),
+ DPKGQUERY, PACKAGE_RELEASE);
+ printf(_(
+"This is free software; see the GNU General Public License version 2 or\n"
+"later for copying conditions. There is NO warranty.\n"));
+
+ m_output(stdout, _("<standard output>"));
+
+ return 0;
+}
+
+static int
+usage(const char *const *argv)
+{
+ printf(_(
+"Usage: %s [<option>...] <command>\n"
+"\n"), DPKGQUERY);
+
+ printf(_(
+"Commands:\n"
+" -s, --status [<package>...] Display package status details.\n"
+" -p, --print-avail [<package>...] Display available version details.\n"
+" -L, --listfiles <package>... List files 'owned' by package(s).\n"
+" -l, --list [<pattern>...] List packages concisely.\n"
+" -W, --show [<pattern>...] Show information on package(s).\n"
+" -S, --search <pattern>... Find package(s) owning file(s).\n"
+" --control-list <package> Print the package control file list.\n"
+" --control-show <package> <file>\n"
+" Show the package control file.\n"
+" -c, --control-path <package> [<file>]\n"
+" Print path for package control file.\n"
+"\n"));
+
+ printf(_(
+" -?, --help Show this help message.\n"
+" --version Show the version.\n"
+"\n"));
+
+ printf(_(
+"Options:\n"
+" --admindir=<directory> Use <directory> instead of %s.\n"
+" --root=<directory> Use <directory> instead of %s.\n"
+" --load-avail Use available file on --show and --list.\n"
+" --no-pager Disables the use of any pager.\n"
+" -f|--showformat=<format> Use alternative format for --show.\n"
+"\n"), ADMINDIR, "/");
+
+ printf(_(
+"Format syntax:\n"
+" A format is a string that will be output for each package. The format\n"
+" can include the standard escape sequences \\n (newline), \\r (carriage\n"
+" return) or \\\\ (plain backslash). Package information can be included\n"
+" by inserting variable references to package fields using the ${var[;width]}\n"
+" syntax. Fields will be right-aligned unless the width is negative in which\n"
+" case left alignment will be used.\n"));
+
+ m_output(stdout, _("<standard output>"));
+
+ return 0;
+}
+
+static const char printforhelp[] = N_(
+"Use --help for help about querying packages.");
+
+/* This table has both the action entries in it and the normal options.
+ * The action entries are made with the ACTION macro, as they all
+ * have a very similar structure. */
+static const struct cmdinfo cmdinfos[]= {
+ ACTION( "listfiles", 'L', act_listfiles, list_files ),
+ ACTION( "status", 's', act_status, print_status ),
+ ACTION( "print-avail", 'p', act_printavail, print_avail ),
+ ACTION( "list", 'l', act_listpackages, listpackages ),
+ ACTION( "search", 'S', act_searchfiles, searchfiles ),
+ ACTION( "show", 'W', act_listpackages, showpackages ),
+ ACTION( "control-path", 'c', act_controlpath, control_path ),
+ ACTION( "control-list", 0, act_controllist, control_list ),
+ ACTION( "control-show", 0, act_controlshow, control_show ),
+ ACTION( "help", '?', act_help, usage ),
+ ACTION( "version", 0, act_version, printversion ),
+
+ { "admindir", 0, 1, NULL, NULL, set_admindir, 0 },
+ { "root", 0, 1, NULL, NULL, set_root, 0 },
+ { "load-avail", 0, 0, &opt_loadavail, NULL, NULL, 1 },
+ { "showformat", 'f', 1, NULL, &opt_showformat, NULL },
+ { "no-pager", 0, 0, NULL, NULL, set_no_pager },
+ { NULL, 0, 0, NULL, NULL, NULL }
+};
+
+int main(int argc, const char *const *argv) {
+ int ret;
+
+ dpkg_set_report_piped_mode(_IOFBF);
+ dpkg_locales_init(PACKAGE);
+ dpkg_program_init("dpkg-query");
+ dpkg_options_parse(&argv, cmdinfos, printforhelp);
+
+ debug(dbg_general, "root=%s admindir=%s", dpkg_fsys_get_dir(), dpkg_db_get_dir());
+
+ if (!cipaction) badusage(_("need an action option"));
+
+ ret = cipaction->action(argv);
+
+ dpkg_program_done();
+ dpkg_locales_done();
+
+ return !!ret;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 16:40:46 +0000