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/*
* dpkg - main program for package management
* select.c - by-hand (rather than dselect-based) package selection
*
* Copyright © 1995,1996 Ian Jackson <ijackson@chiark.greenend.org.uk>
* Copyright © 2006, 2008-2015 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 <fnmatch.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <dpkg/i18n.h>
#include <dpkg/c-ctype.h>
#include <dpkg/dpkg.h>
#include <dpkg/dpkg-db.h>
#include <dpkg/pkg-array.h>
#include <dpkg/pkg-show.h>
#include <dpkg/pkg-spec.h>
#include <dpkg/options.h>
#include <dpkg/db-ctrl.h>
#include <dpkg/db-fsys.h>
#include "main.h"
static void getsel1package(struct pkginfo *pkg) {
const char *pkgname;
int l;
if (pkg->want == PKG_WANT_UNKNOWN)
return;
pkgname = pkg_name(pkg, pnaw_nonambig);
l = strlen(pkgname);
l >>= 3;
l = 6 - l;
if (l < 1)
l = 1;
printf("%s%.*s%s\n", pkgname, l, "\t\t\t\t\t\t", pkg_want_name(pkg));
}
int
getselections(const char *const *argv)
{
struct pkg_array array;
struct pkginfo *pkg;
const char *thisarg;
int i, found;
modstatdb_open(msdbrw_readonly);
pkg_array_init_from_hash(&array);
pkg_array_sort(&array, pkg_sorter_by_nonambig_name_arch);
if (!*argv) {
for (i = 0; i < array.n_pkgs; i++) {
pkg = array.pkgs[i];
if (pkg->status == PKG_STAT_NOTINSTALLED)
continue;
getsel1package(pkg);
}
} else {
while ((thisarg= *argv++)) {
struct pkg_spec pkgspec;
found= 0;
pkg_spec_init(&pkgspec, PKG_SPEC_PATTERNS | PKG_SPEC_ARCH_WILDCARD);
pkg_spec_parse(&pkgspec, thisarg);
for (i = 0; i < array.n_pkgs; i++) {
pkg = array.pkgs[i];
if (!pkg_spec_match_pkg(&pkgspec, pkg, &pkg->installed))
continue;
getsel1package(pkg); found++;
}
if (!found)
notice(_("no packages found matching %s"), thisarg);
pkg_spec_destroy(&pkgspec);
}
}
m_output(stdout, _("<standard output>"));
m_output(stderr, _("<standard error>"));
pkg_array_destroy(&array);
modstatdb_shutdown();
return 0;
}
int
setselections(const char *const *argv)
{
enum modstatdb_rw msdbflags;
const struct namevalue *nv;
struct pkginfo *pkg;
int c, lno;
struct varbuf namevb = VARBUF_INIT;
struct varbuf selvb = VARBUF_INIT;
bool db_possibly_outdated = false;
if (*argv)
badusage(_("--%s takes no arguments"), cipaction->olong);
msdbflags = msdbrw_available_readonly;
if (f_noact)
msdbflags |= msdbrw_readonly;
else
msdbflags |= msdbrw_write;
modstatdb_open(msdbflags);
pkg_infodb_upgrade();
lno= 1;
for (;;) {
struct dpkg_error err;
do {
c = getchar();
if (c == '\n')
lno++;
} while (c != EOF && c_isspace(c));
if (c == EOF) break;
if (c == '#') {
do { c= getchar(); if (c == '\n') lno++; } while (c != EOF && c != '\n');
continue;
}
varbuf_reset(&namevb);
while (!c_isspace(c)) {
varbuf_add_char(&namevb, c);
c= getchar();
if (c == EOF)
ohshit(_("unexpected end of file in package name at line %d"), lno);
if (c == '\n') ohshit(_("unexpected end of line in package name at line %d"),lno);
}
varbuf_end_str(&namevb);
while (c != EOF && c_isspace(c)) {
c= getchar();
if (c == EOF)
ohshit(_("unexpected end of file after package name at line %d"), lno);
if (c == '\n') ohshit(_("unexpected end of line after package name at line %d"),lno);
}
varbuf_reset(&selvb);
while (c != EOF && !c_isspace(c)) {
varbuf_add_char(&selvb, c);
c= getchar();
}
varbuf_end_str(&selvb);
while (c != EOF && c != '\n') {
c= getchar();
if (!c_isspace(c))
ohshit(_("unexpected data after package and selection at line %d"),lno);
}
pkg = pkg_spec_parse_pkg(namevb.buf, &err);
if (pkg == NULL)
ohshit(_("illegal package name at line %d: %.250s"), lno, err.str);
if (!pkg_is_informative(pkg, &pkg->installed) &&
!pkg_is_informative(pkg, &pkg->available)) {
db_possibly_outdated = true;
warning(_("package not in status nor available database at line %d: %.250s"), lno, namevb.buf);
lno++;
continue;
}
nv = namevalue_find_by_name(wantinfos, selvb.buf);
if (nv == NULL)
ohshit(_("unknown wanted status at line %d: %.250s"), lno, selvb.buf);
pkg_set_want(pkg, nv->value);
if (c == EOF) break;
lno++;
}
if (ferror(stdin)) ohshite(_("read error on standard input"));
modstatdb_shutdown();
varbuf_destroy(&namevb);
varbuf_destroy(&selvb);
if (db_possibly_outdated)
warning(_("found unknown packages; this might mean the available database\n"
"is outdated, and needs to be updated through a frontend method;\n"
"please see the FAQ <https://wiki.debian.org/Teams/Dpkg/FAQ#set-selections>"));
return 0;
}
int
clearselections(const char *const *argv)
{
enum modstatdb_rw msdbflags;
struct pkg_hash_iter *iter;
struct pkginfo *pkg;
if (*argv)
badusage(_("--%s takes no arguments"), cipaction->olong);
if (f_noact)
msdbflags = msdbrw_readonly;
else
msdbflags = msdbrw_write;
modstatdb_open(msdbflags);
pkg_infodb_upgrade();
iter = pkg_hash_iter_new();
while ((pkg = pkg_hash_iter_next_pkg(iter))) {
if (!pkg->installed.essential &&
!pkg->installed.is_protected &&
pkg->want != PKG_WANT_UNKNOWN)
pkg_set_want(pkg, PKG_WANT_DEINSTALL);
}
pkg_hash_iter_free(iter);
modstatdb_shutdown();
return 0;
}
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