Abort package removal if the prerm script of a package returns non zero.
[oweals/opkg-lede.git] / src / opkg-cl.c
1 /* opkg-cl.c - the opkg package management system
2
3    Florian Boor
4    Copyright (C) 2003 kernel concepts
5
6    Carl D. Worth
7    Copyright 2001 University of Southern California
8
9    This program is free software; you can redistribute it and/or
10    modify it under the terms of the GNU General Public License as
11    published by the Free Software Foundation; either version 2, or (at
12    your option) any later version.
13
14    This program is distributed in the hope that it will be useful, but
15    WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17    General Public License for more details.
18
19    opkg command line frontend using libopkg
20 */
21
22 #include "config.h"
23
24 #include <stdio.h>
25 #include <getopt.h>
26
27 #include "opkg_conf.h"
28 #include "opkg_cmd.h"
29 #include "file_util.h"
30 #include "opkg_message.h"
31 #include "../libbb/libbb.h"
32
33 enum {
34         ARGS_OPT_FORCE_MAINTAINER = 129,
35         ARGS_OPT_FORCE_DEPENDS,
36         ARGS_OPT_FORCE_OVERWRITE,
37         ARGS_OPT_FORCE_DOWNGRADE,
38         ARGS_OPT_FORCE_REINSTALL,
39         ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES,
40         ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES,
41         ARGS_OPT_FORCE_SPACE,
42         ARGS_OPT_FORCE_POSTINSTALL,
43         ARGS_OPT_FORCE_REMOVE,
44         ARGS_OPT_ADD_ARCH,
45         ARGS_OPT_ADD_DEST,
46         ARGS_OPT_NOACTION,
47         ARGS_OPT_DOWNLOAD_ONLY,
48         ARGS_OPT_NODEPS,
49         ARGS_OPT_AUTOREMOVE,
50         ARGS_OPT_CACHE,
51 };
52
53 static struct option long_options[] = {
54         {"query-all", 0, 0, 'A'},
55         {"autoremove", 0, 0, ARGS_OPT_AUTOREMOVE},
56         {"cache", 1, 0, ARGS_OPT_CACHE},
57         {"conf-file", 1, 0, 'f'},
58         {"conf", 1, 0, 'f'},
59         {"dest", 1, 0, 'd'},
60         {"force-maintainer", 0, 0, ARGS_OPT_FORCE_MAINTAINER},
61         {"force_maintainer", 0, 0, ARGS_OPT_FORCE_MAINTAINER},
62         {"force-depends", 0, 0, ARGS_OPT_FORCE_DEPENDS},
63         {"force_depends", 0, 0, ARGS_OPT_FORCE_DEPENDS},
64         {"force-overwrite", 0, 0, ARGS_OPT_FORCE_OVERWRITE},
65         {"force_overwrite", 0, 0, ARGS_OPT_FORCE_OVERWRITE},
66         {"force_downgrade", 0, 0, ARGS_OPT_FORCE_DOWNGRADE},
67         {"force-downgrade", 0, 0, ARGS_OPT_FORCE_DOWNGRADE},
68         {"force-reinstall", 0, 0, ARGS_OPT_FORCE_REINSTALL},
69         {"force_reinstall", 0, 0, ARGS_OPT_FORCE_REINSTALL},
70         {"force-space", 0, 0, ARGS_OPT_FORCE_SPACE},
71         {"force_space", 0, 0, ARGS_OPT_FORCE_SPACE},
72         {"recursive", 0, 0, ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES},
73         {"force-removal-of-dependent-packages", 0, 0,
74                 ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES},
75         {"force_removal_of_dependent_packages", 0, 0,
76                 ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES},
77         {"force-removal-of-essential-packages", 0, 0,
78                 ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES},
79         {"force_removal_of_essential_packages", 0, 0,
80                 ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES},
81         {"force-postinstall", 0, 0, ARGS_OPT_FORCE_POSTINSTALL},
82         {"force_postinstall", 0, 0, ARGS_OPT_FORCE_POSTINSTALL},
83         {"force-remove", 0, 0, ARGS_OPT_FORCE_REMOVE},
84         {"force_remove", 0, 0, ARGS_OPT_FORCE_REMOVE},
85         {"noaction", 0, 0, ARGS_OPT_NOACTION},
86         {"download-only", 0, 0, ARGS_OPT_DOWNLOAD_ONLY},
87         {"nodeps", 0, 0, ARGS_OPT_NODEPS},
88         {"offline", 1, 0, 'o'},
89         {"offline-root", 1, 0, 'o'},
90         {"add-arch", 1, 0, ARGS_OPT_ADD_ARCH},
91         {"add-dest", 1, 0, ARGS_OPT_ADD_DEST},
92         {"test", 0, 0, ARGS_OPT_NOACTION},
93         {"tmp-dir", 1, 0, 't'},
94         {"tmp_dir", 1, 0, 't'},
95         {"verbosity", 2, 0, 'V'},
96         {"version", 0, 0, 'v'},
97         {0, 0, 0, 0}
98 };
99
100 static int
101 args_parse(int argc, char *argv[])
102 {
103         int c;
104         int option_index = 0;
105         int parse_err = 0;
106         char *tuple, *targ;
107
108         while (1) {
109                 c = getopt_long_only(argc, argv, "Ad:f:no:p:t:vV::",
110                                 long_options, &option_index);
111                 if (c == -1)
112                         break;
113
114                 switch (c) {
115                 case 'A':
116                         conf->query_all = 1;
117                         break;
118                 case 'd':
119                         conf->dest_str = xstrdup(optarg);
120                         break;
121                 case 'f':
122                         conf->conf_file = xstrdup(optarg);
123                         break;
124                 case 'o':
125                         conf->offline_root = xstrdup(optarg);
126                         break;
127                 case 't':
128                         conf->tmp_dir = xstrdup(optarg);
129                         break;
130                 case 'v':
131                         printf("opkg version %s\n", VERSION);
132                         exit(0);
133                 case 'V':
134                         conf->verbosity = INFO;
135                         if (optarg != NULL)
136                                 conf->verbosity = atoi(optarg);
137                         break;
138                 case ARGS_OPT_AUTOREMOVE:
139                         conf->autoremove = 1;
140                         break;
141                 case ARGS_OPT_CACHE:
142                         free(conf->cache);
143                         conf->cache = xstrdup(optarg);
144                         break;
145                 case ARGS_OPT_FORCE_MAINTAINER:
146                         conf->force_maintainer = 1;
147                         break;
148                 case ARGS_OPT_FORCE_DEPENDS:
149                         conf->force_depends = 1;
150                         break;
151                 case ARGS_OPT_FORCE_OVERWRITE:
152                         conf->force_overwrite = 1;
153                         break;
154                 case ARGS_OPT_FORCE_DOWNGRADE:
155                         conf->force_downgrade = 1;
156                         break;
157                 case ARGS_OPT_FORCE_REINSTALL:
158                         conf->force_reinstall = 1;
159                         break;
160                 case ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES:
161                         conf->force_removal_of_essential_packages = 1;
162                         break;
163                 case ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES:
164                         conf->force_removal_of_dependent_packages = 1;
165                         break;
166                 case ARGS_OPT_FORCE_SPACE:
167                         conf->force_space = 1;
168                         break;
169                 case ARGS_OPT_FORCE_POSTINSTALL:
170                         conf->force_postinstall = 1;
171                         break;
172                 case ARGS_OPT_FORCE_REMOVE:
173                         conf->force_remove = 1;
174                         break;
175                 case ARGS_OPT_NODEPS:
176                         conf->nodeps = 1;
177                         break;
178                 case ARGS_OPT_ADD_ARCH:
179                 case ARGS_OPT_ADD_DEST:
180                         tuple = xstrdup(optarg);
181                         if ((targ = strchr(tuple, ':')) != NULL) {
182                                 *targ++ = 0;
183                                 if ((strlen(tuple) > 0) && (strlen(targ) > 0)) {
184                                         nv_pair_list_append(
185                                                 (c == ARGS_OPT_ADD_ARCH)
186                                                         ? &conf->arch_list : &conf->tmp_dest_list,
187                                                 tuple, targ);
188                                 }
189                         }
190                         free(tuple);
191                         break;
192                 case ARGS_OPT_NOACTION:
193                         conf->noaction = 1;
194                         break;
195         case ARGS_OPT_DOWNLOAD_ONLY:
196                         conf->download_only = 1;
197                         break;
198                 case ':':
199                         parse_err = -1;
200                         break;
201                 case '?':
202                         parse_err = -1;
203                         break;
204                 default:
205                         printf("Confusion: getopt_long returned %d\n", c);
206                 }
207         }
208
209         if (parse_err)
210                 return parse_err;
211         else
212                 return optind;
213 }
214
215 static void
216 usage()
217 {
218         printf("usage: opkg [options...] sub-command [arguments...]\n");
219         printf("where sub-command is one of:\n");
220
221         printf("\nPackage Manipulation:\n");
222         printf("\tupdate                        Update list of available packages\n");
223         printf("\tupgrade                       Upgrade installed packages\n");
224         printf("\tinstall <pkgs>                Install package(s)\n");
225         printf("\tconfigure <pkgs>      Configure unpacked package(s)\n");
226         printf("\tremove <pkgs|regexp>  Remove package(s)\n");
227         printf("\tflag <flag> <pkgs>    Flag package(s)\n");
228         printf("\t <flag>=hold|noprune|user|ok|installed|unpacked (one per invocation)\n");
229
230         printf("\nInformational Commands:\n");
231         printf("\tlist                  List available packages\n");
232         printf("\tlist-installed                List installed packages\n");
233         printf("\tlist-upgradable               List installed and upgradable packages\n");
234         printf("\tlist-changed-conffiles        List user modified configuration files\n");
235         printf("\tfiles <pkg>           List files belonging to <pkg>\n");
236         printf("\tsearch <file|regexp>  List package providing <file>\n");
237         printf("\tinfo [pkg|regexp]     Display all info for <pkg>\n");
238         printf("\tstatus [pkg|regexp]   Display all status for <pkg>\n");
239         printf("\tdownload <pkg>                Download <pkg> to current directory\n");
240         printf("\tcompare-versions <v1> <op> <v2>\n");
241         printf("\t                    compare versions using <= < > >= = << >>\n");
242         printf("\tprint-architecture    List installable package architectures\n");
243         printf("\twhatdepends [-A] [pkgname|pat]+\n");
244         printf("\twhatdependsrec [-A] [pkgname|pat]+\n");
245         printf("\twhatprovides [-A] [pkgname|pat]+\n");
246         printf("\twhatconflicts [-A] [pkgname|pat]+\n");
247         printf("\twhatreplaces [-A] [pkgname|pat]+\n");
248
249         printf("\nOptions:\n");
250         printf("\t-A                    Query all packages not just those installed\n");
251         printf("\t-V[<level>]           Set verbosity level to <level>.\n");
252         printf("\t--verbosity[=<level>] Verbosity levels:\n");
253         printf("\t                              0 errors only\n");
254         printf("\t                              1 normal messages (default)\n");
255         printf("\t                              2 informative messages\n");
256         printf("\t                              3 debug\n");
257         printf("\t                              4 debug level 2\n");
258         printf("\t-f <conf_file>                Use <conf_file> as the opkg configuration file\n");
259         printf("\t--conf <conf_file>\n");
260         printf("\t--cache <directory>   Use a package cache\n");
261         printf("\t-d <dest_name>                Use <dest_name> as the the root directory for\n");
262         printf("\t--dest <dest_name>    package installation, removal, upgrading.\n");
263         printf("                                <dest_name> should be a defined dest name from\n");
264         printf("                                the configuration file, (but can also be a\n");
265         printf("                                directory name in a pinch).\n");
266         printf("\t-o <dir>              Use <dir> as the root directory for\n");
267         printf("\t--offline-root <dir>  offline installation of packages.\n");
268         printf("\t--add-arch <arch>:<prio>      Register architecture with given priority\n");
269         printf("\t--add-dest <name>:<path>      Register destination with given path\n");
270
271         printf("\nForce Options:\n");
272         printf("\t--force-depends               Install/remove despite failed dependencies\n");
273         printf("\t--force-maintainer    Overwrite preexisting config files\n");
274         printf("\t--force-reinstall     Reinstall package(s)\n");
275         printf("\t--force-overwrite     Overwrite files from other package(s)\n");
276         printf("\t--force-downgrade     Allow opkg to downgrade packages\n");
277         printf("\t--force-space         Disable free space checks\n");
278         printf("\t--force-postinstall   Run postinstall scripts even in offline mode\n");
279         printf("\t--force-remove        Remove package even if prerm script fails\n");
280         printf("\t--noaction            No action -- test only\n");
281         printf("\t--download-only       No action -- download only\n");
282         printf("\t--nodeps              Do not follow dependencies\n");
283         printf("\t--force-removal-of-dependent-packages\n");
284         printf("\t                      Remove package and all dependencies\n");
285         printf("\t--autoremove          Remove packages that were installed\n");
286         printf("\t                      automatically to satisfy dependencies\n");
287         printf("\t-t                    Specify tmp-dir.\n");
288         printf("\t--tmp-dir             Specify tmp-dir.\n");
289
290         printf("\n");
291
292         printf(" regexp could be something like 'pkgname*' '*file*' or similar\n");
293         printf(" e.g. opkg info 'libstd*' or opkg search '*libop*' or opkg remove 'libncur*'\n");
294
295         /* --force-removal-of-essential-packages        Let opkg remove essential packages.
296                 Using this option is almost guaranteed to break your system, hence this option
297                 is not even advertised in the usage statement. */
298
299         exit(1);
300 }
301
302 int
303 main(int argc, char *argv[])
304 {
305         int opts, err = -1;
306         char *cmd_name;
307         opkg_cmd_t *cmd;
308         int nocheckfordirorfile = 0;
309         int noreadfeedsfile = 0;
310
311         if (opkg_conf_init())
312                 goto err0;
313
314         conf->verbosity = NOTICE;
315
316         opts = args_parse(argc, argv);
317         if (opts == argc || opts < 0) {
318                 fprintf(stderr, "opkg must have one sub-command argument\n");
319                 usage();
320         }
321
322         cmd_name = argv[opts++];
323
324         if (!strcmp(cmd_name,"print-architecture") ||
325             !strcmp(cmd_name,"print_architecture") ||
326             !strcmp(cmd_name,"print-installation-architecture") ||
327             !strcmp(cmd_name,"print_installation_architecture") )
328                 nocheckfordirorfile = 1;
329
330         if (!strcmp(cmd_name,"flag") ||
331             !strcmp(cmd_name,"configure") ||
332             !strcmp(cmd_name,"remove") ||
333             !strcmp(cmd_name,"files") ||
334             !strcmp(cmd_name,"search") ||
335             !strcmp(cmd_name,"compare_versions") ||
336             !strcmp(cmd_name,"compare-versions") ||
337             !strcmp(cmd_name,"list_installed") ||
338             !strcmp(cmd_name,"list-installed") ||
339             !strcmp(cmd_name,"list_changed_conffiles") ||
340             !strcmp(cmd_name,"list-changed-conffiles") ||
341             !strcmp(cmd_name,"status") )
342                 noreadfeedsfile = 1;
343
344         cmd = opkg_cmd_find(cmd_name);
345         if (cmd == NULL) {
346                 fprintf(stderr, "%s: unknown sub-command %s\n", argv[0],
347                          cmd_name);
348                 usage();
349         }
350
351         conf->pfm = cmd->pfm;
352
353         if (opkg_conf_load())
354                 goto err0;
355
356         if (!nocheckfordirorfile) {
357                 if (!noreadfeedsfile) {
358                         if (pkg_hash_load_feeds())
359                                 goto err1;
360                 }
361
362                 if (pkg_hash_load_status_files())
363                         goto err1;
364         }
365
366         if (cmd->requires_args && opts == argc) {
367                 fprintf(stderr,
368                          "%s: the ``%s'' command requires at least one argument\n",
369                          argv[0], cmd_name);
370                 usage();
371         }
372
373         err = opkg_cmd_exec(cmd, argc - opts, (const char **) (argv + opts));
374
375 #ifdef HAVE_CURL
376         opkg_curl_cleanup();
377 #endif
378 err1:
379         opkg_conf_deinit();
380
381 err0:
382         print_error_list();
383         free_error_list();
384
385         return err;
386 }