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-rw-r--r--src/main/select.c244
1 files changed, 244 insertions, 0 deletions
diff --git a/src/main/select.c b/src/main/select.c
new file mode 100644
index 0000000..d71202e
--- /dev/null
+++ b/src/main/select.c
@@ -0,0 +1,244 @@
+/*
+ * 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;
+ int i;
+
+ 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 {
+ const char *thisarg;
+
+ while ((thisarg= *argv++)) {
+ struct pkg_spec pkgspec;
+ int found;
+
+ 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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