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1479465f GJ |
1 | /* |
2 | * dpkg - main program for package management | |
3 | * select.c - by-hand (rather than dselect-based) package selection | |
4 | * | |
5 | * Copyright © 1995,1996 Ian Jackson <ijackson@chiark.greenend.org.uk> | |
6 | * Copyright © 2006, 2008-2015 Guillem Jover <guillem@debian.org> | |
7 | * Copyright © 2011 Linaro Limited | |
8 | * Copyright © 2011 Raphaël Hertzog <hertzog@debian.org> | |
9 | * | |
10 | * This is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
22 | */ | |
23 | ||
24 | #include <config.h> | |
25 | #include <compat.h> | |
26 | ||
27 | #include <fnmatch.h> | |
28 | #include <string.h> | |
29 | #include <stdlib.h> | |
30 | #include <stdio.h> | |
31 | ||
32 | #include <dpkg/i18n.h> | |
33 | #include <dpkg/c-ctype.h> | |
34 | #include <dpkg/dpkg.h> | |
35 | #include <dpkg/dpkg-db.h> | |
36 | #include <dpkg/pkg-array.h> | |
37 | #include <dpkg/pkg-show.h> | |
38 | #include <dpkg/pkg-spec.h> | |
39 | #include <dpkg/options.h> | |
40 | ||
41 | #include "filesdb.h" | |
42 | #include "infodb.h" | |
43 | #include "main.h" | |
44 | ||
45 | static void getsel1package(struct pkginfo *pkg) { | |
46 | const char *pkgname; | |
47 | int l; | |
48 | ||
49 | if (pkg->want == PKG_WANT_UNKNOWN) | |
50 | return; | |
51 | pkgname = pkg_name(pkg, pnaw_nonambig); | |
52 | l = strlen(pkgname); | |
53 | l >>= 3; | |
54 | l = 6 - l; | |
55 | if (l < 1) | |
56 | l = 1; | |
57 | printf("%s%.*s%s\n", pkgname, l, "\t\t\t\t\t\t", pkg_want_name(pkg)); | |
58 | } | |
59 | ||
60 | int | |
61 | getselections(const char *const *argv) | |
62 | { | |
63 | struct pkg_array array; | |
64 | struct pkginfo *pkg; | |
65 | const char *thisarg; | |
66 | int i, found; | |
67 | ||
68 | modstatdb_open(msdbrw_readonly); | |
69 | ||
70 | pkg_array_init_from_db(&array); | |
71 | pkg_array_sort(&array, pkg_sorter_by_nonambig_name_arch); | |
72 | ||
73 | if (!*argv) { | |
74 | for (i = 0; i < array.n_pkgs; i++) { | |
75 | pkg = array.pkgs[i]; | |
76 | if (pkg->status == PKG_STAT_NOTINSTALLED) | |
77 | continue; | |
78 | getsel1package(pkg); | |
79 | } | |
80 | } else { | |
81 | while ((thisarg= *argv++)) { | |
82 | struct pkg_spec pkgspec; | |
83 | ||
84 | found= 0; | |
85 | pkg_spec_init(&pkgspec, PKG_SPEC_PATTERNS | PKG_SPEC_ARCH_WILDCARD); | |
86 | pkg_spec_parse(&pkgspec, thisarg); | |
87 | ||
88 | for (i = 0; i < array.n_pkgs; i++) { | |
89 | pkg = array.pkgs[i]; | |
90 | if (!pkg_spec_match_pkg(&pkgspec, pkg, &pkg->installed)) | |
91 | continue; | |
92 | getsel1package(pkg); found++; | |
93 | } | |
94 | if (!found) | |
95 | notice(_("no packages found matching %s"), thisarg); | |
96 | ||
97 | pkg_spec_destroy(&pkgspec); | |
98 | } | |
99 | } | |
100 | ||
101 | m_output(stdout, _("<standard output>")); | |
102 | m_output(stderr, _("<standard error>")); | |
103 | ||
104 | pkg_array_destroy(&array); | |
105 | ||
106 | modstatdb_shutdown(); | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | int | |
112 | setselections(const char *const *argv) | |
113 | { | |
114 | enum modstatdb_rw msdbflags; | |
115 | const struct namevalue *nv; | |
116 | struct pkginfo *pkg; | |
117 | int c, lno; | |
118 | struct varbuf namevb = VARBUF_INIT; | |
119 | struct varbuf selvb = VARBUF_INIT; | |
120 | bool db_possibly_outdated = false; | |
121 | ||
122 | if (*argv) | |
123 | badusage(_("--%s takes no arguments"), cipaction->olong); | |
124 | ||
125 | msdbflags = msdbrw_available_readonly; | |
126 | if (f_noact) | |
127 | msdbflags |= msdbrw_readonly; | |
128 | else | |
129 | msdbflags |= msdbrw_write; | |
130 | ||
131 | modstatdb_open(msdbflags); | |
132 | pkg_infodb_upgrade(); | |
133 | ||
134 | lno= 1; | |
135 | for (;;) { | |
136 | struct dpkg_error err; | |
137 | ||
138 | do { | |
139 | c = getchar(); | |
140 | if (c == '\n') | |
141 | lno++; | |
142 | } while (c != EOF && c_isspace(c)); | |
143 | if (c == EOF) break; | |
144 | if (c == '#') { | |
145 | do { c= getchar(); if (c == '\n') lno++; } while (c != EOF && c != '\n'); | |
146 | continue; | |
147 | } | |
148 | ||
149 | varbuf_reset(&namevb); | |
150 | while (!c_isspace(c)) { | |
151 | varbuf_add_char(&namevb, c); | |
152 | c= getchar(); | |
153 | if (c == EOF) | |
154 | ohshit(_("unexpected end of file in package name at line %d"), lno); | |
155 | if (c == '\n') ohshit(_("unexpected end of line in package name at line %d"),lno); | |
156 | } | |
157 | varbuf_end_str(&namevb); | |
158 | ||
159 | while (c != EOF && c_isspace(c)) { | |
160 | c= getchar(); | |
161 | if (c == EOF) | |
162 | ohshit(_("unexpected end of file after package name at line %d"), lno); | |
163 | if (c == '\n') ohshit(_("unexpected end of line after package name at line %d"),lno); | |
164 | } | |
165 | ||
166 | varbuf_reset(&selvb); | |
167 | while (c != EOF && !c_isspace(c)) { | |
168 | varbuf_add_char(&selvb, c); | |
169 | c= getchar(); | |
170 | } | |
171 | varbuf_end_str(&selvb); | |
172 | ||
173 | while (c != EOF && c != '\n') { | |
174 | c= getchar(); | |
175 | if (!c_isspace(c)) | |
176 | ohshit(_("unexpected data after package and selection at line %d"),lno); | |
177 | } | |
178 | pkg = pkg_spec_parse_pkg(namevb.buf, &err); | |
179 | if (pkg == NULL) | |
180 | ohshit(_("illegal package name at line %d: %.250s"), lno, err.str); | |
181 | ||
182 | if (!pkg_is_informative(pkg, &pkg->installed) && | |
183 | !pkg_is_informative(pkg, &pkg->available)) { | |
184 | db_possibly_outdated = true; | |
185 | warning(_("package not in status nor available database at line %d: %.250s"), lno, namevb.buf); | |
186 | continue; | |
187 | } | |
188 | ||
189 | nv = namevalue_find_by_name(wantinfos, selvb.buf); | |
190 | if (nv == NULL) | |
191 | ohshit(_("unknown wanted status at line %d: %.250s"), lno, selvb.buf); | |
192 | ||
193 | pkg_set_want(pkg, nv->value); | |
194 | if (c == EOF) break; | |
195 | lno++; | |
196 | } | |
197 | if (ferror(stdin)) ohshite(_("read error on standard input")); | |
198 | modstatdb_shutdown(); | |
199 | varbuf_destroy(&namevb); | |
200 | varbuf_destroy(&selvb); | |
201 | ||
202 | if (db_possibly_outdated) | |
203 | warning(_("found unknown packages; this might mean the available database\n" | |
204 | "is outdated, and needs to be updated through a frontend method;\n" | |
205 | "please see the FAQ <https://wiki.debian.org/Teams/Dpkg/FAQ>")); | |
206 | ||
207 | return 0; | |
208 | } | |
209 | ||
210 | int | |
211 | clearselections(const char *const *argv) | |
212 | { | |
213 | enum modstatdb_rw msdbflags; | |
214 | struct pkgiterator *iter; | |
215 | struct pkginfo *pkg; | |
216 | ||
217 | if (*argv) | |
218 | badusage(_("--%s takes no arguments"), cipaction->olong); | |
219 | ||
220 | if (f_noact) | |
221 | msdbflags = msdbrw_readonly; | |
222 | else | |
223 | msdbflags = msdbrw_write; | |
224 | ||
225 | modstatdb_open(msdbflags); | |
226 | pkg_infodb_upgrade(); | |
227 | ||
228 | iter = pkg_db_iter_new(); | |
229 | while ((pkg = pkg_db_iter_next_pkg(iter))) { | |
230 | if (!pkg->installed.essential) | |
231 | pkg_set_want(pkg, PKG_WANT_DEINSTALL); | |
232 | } | |
233 | pkg_db_iter_free(iter); | |
234 | ||
235 | modstatdb_shutdown(); | |
236 | ||
237 | return 0; | |
238 | } | |
239 |