libopkg/args.c

   1 /* args.c - parse command-line args
   2
   3   Carl D. Worth
   4
   5   Copyright 2001 University of Southern California
   6
   7   This program is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU General Public License as published by
   9   the Free Software Foundation; either version 2, or (at your option)
  10   any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16  */
  17
  18 #include <getopt.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <unistd.h>
  22
  23 #include "opkg.h"
  24
  25 #include "config.h"
  26 #include "args.h"
  27 #include "sprintf_alloc.h"
  28
  29 static void print_version(void);
  30
  31 enum long_args_opt
  32 {
  33      ARGS_OPT_FORCE_DEFAULTS = 129,
  34      ARGS_OPT_FORCE_DEPENDS,
  35      ARGS_OPT_FORCE_OVERWRITE,
  36      ARGS_OPT_FORCE_DOWNGRADE,
  37      ARGS_OPT_FORCE_REINSTALL,
  38      ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES,
  39      ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES,
  40      ARGS_OPT_FORCE_SPACE,
  41      ARGS_OPT_NOACTION,
  42      ARGS_OPT_NODEPS,
  43      ARGS_OPT_VERBOSE_WGET,
  44      ARGS_OPT_VERBOSITY,
  45      ARGS_OPT_MULTIPLE_PROVIDERS,
  46      ARGS_OPT_AUTOREMOVE
  47 };
  48
  49 int args_init(args_t *args)
  50 {
  51      char *conf_file_dir;
  52
  53      memset(args, 0, sizeof(args_t));
  54
  55      args->dest = ARGS_DEFAULT_DEST;
  56
  57      conf_file_dir = getenv("OPKG_CONF_DIR");
  58      if (conf_file_dir == NULL || conf_file_dir[0] == '\0') {
  59           conf_file_dir = ARGS_DEFAULT_CONF_FILE_DIR;
  60      }
  61      sprintf_alloc(&args->conf_file, "%s/%s", conf_file_dir,
  62                    ARGS_DEFAULT_CONF_FILE_NAME);
  63
  64      args->force_defaults = ARGS_DEFAULT_FORCE_DEFAULTS;
  65      args->force_depends = ARGS_DEFAULT_FORCE_DEPENDS;
  66      args->force_overwrite = ARGS_DEFAULT_FORCE_OVERWRITE;
  67      args->force_downgrade = ARGS_DEFAULT_FORCE_DOWNGRADE;
  68      args->force_reinstall = ARGS_DEFAULT_FORCE_REINSTALL;
  69      args->force_removal_of_dependent_packages = ARGS_DEFAULT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES;
  70      args->force_removal_of_essential_packages = ARGS_DEFAULT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES;
  71      args->autoremove = ARGS_DEFAULT_AUTOREMOVE;
  72      args->noaction = ARGS_DEFAULT_NOACTION;
  73      args->nodeps = ARGS_DEFAULT_NODEPS;
  74      args->verbose_wget = ARGS_DEFAULT_VERBOSE_WGET;
  75      args->verbosity = ARGS_DEFAULT_VERBOSITY;
  76      args->offline_root = ARGS_DEFAULT_OFFLINE_ROOT;
  77      args->offline_root_pre_script_cmd = ARGS_DEFAULT_OFFLINE_ROOT_PRE_SCRIPT_CMD;
  78      args->offline_root_post_script_cmd = ARGS_DEFAULT_OFFLINE_ROOT_POST_SCRIPT_CMD;
  79      args->multiple_providers = 0;
  80      args->nocheckfordirorfile = 0;
  81      args->noreadfeedsfile = 0;
  82
  83      return 1;
  84 }
  85
  86 void args_deinit(args_t *args)
  87 {
  88      free(args->conf_file);
  89      args->conf_file = NULL;
  90 }
  91
  92 int args_parse(args_t *args, int argc, char *argv[])
  93 {
  94      int c;
  95      int option_index = 0;
  96      int parse_err = 0;
  97      static struct option long_options[] = {
  98           {"query-all", 0, 0, 'A'},
  99           {"autoremove", 0, 0, ARGS_OPT_AUTOREMOVE},
 100           {"conf-file", 1, 0, 'f'},
 101           {"conf", 1, 0, 'f'},
 102           {"dest", 1, 0, 'd'},
 103           {"force-defaults", 0, 0, ARGS_OPT_FORCE_DEFAULTS},
 104           {"force_defaults", 0, 0, ARGS_OPT_FORCE_DEFAULTS},
 105           {"force-depends", 0, 0, ARGS_OPT_FORCE_DEPENDS},
 106           {"force_depends", 0, 0, ARGS_OPT_FORCE_DEPENDS},
 107           {"force-overwrite", 0, 0, ARGS_OPT_FORCE_OVERWRITE},
 108           {"force_overwrite", 0, 0, ARGS_OPT_FORCE_OVERWRITE},
 109           {"force_downgrade", 0, 0, ARGS_OPT_FORCE_DOWNGRADE},
 110           {"force-downgrade", 0, 0, ARGS_OPT_FORCE_DOWNGRADE},
 111           {"force-reinstall", 0, 0, ARGS_OPT_FORCE_REINSTALL},
 112           {"force_reinstall", 0, 0, ARGS_OPT_FORCE_REINSTALL},
 113           {"force-space", 0, 0, ARGS_OPT_FORCE_SPACE},
 114           {"force_space", 0, 0, ARGS_OPT_FORCE_SPACE},
 115           {"recursive", 0, 0,
 116            ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES},
 117           {"force-removal-of-dependent-packages", 0, 0,
 118            ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES},
 119           {"force_removal_of_dependent_packages", 0, 0,
 120            ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES},
 121           {"force-removal-of-essential-packages", 0, 0,
 122            ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES},
 123           {"force_removal_of_essential_packages", 0, 0,
 124            ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES},
 125           {"multiple-providers", 0, 0, ARGS_OPT_MULTIPLE_PROVIDERS},
 126           {"multiple_providers", 0, 0, ARGS_OPT_MULTIPLE_PROVIDERS},
 127           {"noaction", 0, 0, ARGS_OPT_NOACTION},
 128           {"nodeps", 0, 0, ARGS_OPT_NODEPS},
 129           {"offline", 1, 0, 'o'},
 130           {"offline-root", 1, 0, 'o'},
 131           {"test", 0, 0, ARGS_OPT_NOACTION},
 132           {"tmp-dir", 1, 0, 't'},
 133           {"verbose-wget", 0, 0, ARGS_OPT_VERBOSE_WGET},
 134           {"verbose_wget", 0, 0, ARGS_OPT_VERBOSE_WGET},
 135           {"verbosity", 2, 0, 'V'},
 136           {"version", 0, 0, 'v'},
 137           {0, 0, 0, 0}
 138      };
 139
 140      while (1) {
 141           c = getopt_long_only(argc, argv, "Ad:f:no:t:vV:", long_options, &option_index);
 142           if (c == -1)
 143                break;
 144
 145           switch (c) {
 146           case 'A':
 147                args->query_all = 1;
 148                break;
 149           case 'd':
 150                args->dest = optarg;
 151                break;
 152           case 'f':
 153                free(args->conf_file);
 154                args->conf_file = strdup(optarg);
 155                break;
 156           case 'o':
 157                args->offline_root = optarg;
 158                break;
 159           case 'n':
 160                args->noaction = 1;
 161                break;
 162           case 't':
 163                args->tmp_dir = strdup(optarg);
 164                break;
 165           case 'v':
 166                print_version();
 167                exit(0);
 168           case 'V':
 169           case ARGS_OPT_VERBOSITY:
 170                if (optarg)
 171                     args->verbosity = atoi(optarg);
 172                else
 173                     args->verbosity += 1;
 174                break;
 175           case ARGS_OPT_AUTOREMOVE:
 176                args->autoremove = 1;
 177                break;
 178           case ARGS_OPT_FORCE_DEFAULTS:
 179                args->force_defaults = 1;
 180                break;
 181           case ARGS_OPT_FORCE_DEPENDS:
 182                args->force_depends = 1;
 183                break;
 184           case ARGS_OPT_FORCE_OVERWRITE:
 185                args->force_overwrite = 1;
 186                break;
 187           case ARGS_OPT_FORCE_DOWNGRADE:
 188                args->force_downgrade = 1;
 189                break;
 190           case ARGS_OPT_FORCE_REINSTALL:
 191                args->force_reinstall = 1;
 192                break;
 193           case ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES:
 194                args->force_removal_of_essential_packages = 1;
 195                break;
 196           case ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES:
 197                args->force_removal_of_dependent_packages = 1;
 198                break;
 199           case ARGS_OPT_FORCE_SPACE:
 200                args->force_space = 1;
 201                break;
 202           case ARGS_OPT_VERBOSE_WGET:
 203                args->verbose_wget = 1;
 204                break;
 205           case ARGS_OPT_MULTIPLE_PROVIDERS:
 206                args->multiple_providers = 1;
 207                break;
 208           case ARGS_OPT_NODEPS:
 209                args->nodeps = 1;
 210                break;
 211           case ARGS_OPT_NOACTION:
 212                args->noaction = 1;
 213                break;
 214           case ':':
 215                parse_err++;
 216                break;
 217           case '?':
 218                parse_err++;
 219                break;
 220           default:
 221                printf("Confusion: getopt_long returned %d\n", c);
 222           }
 223      }
 224
 225      if (parse_err) {
 226           return -parse_err;
 227      } else {
 228           return optind;
 229      }
 230 }
 231
 232 void args_usage(char *complaint)
 233 {
 234      if (complaint) {
 235           fprintf(stderr, "opkg: %s\n", complaint);
 236      }
 237      print_version();
 238      fprintf(stderr, "usage: opkg [options...] sub-command [arguments...]\n");
 239      fprintf(stderr, "where sub-command is one of:\n");
 240
 241      fprintf(stderr, "\nPackage Manipulation:\n");
 242      fprintf(stderr, "\tupdate                  Update list of available packages\n");
 243      fprintf(stderr, "\tupgrade                 Upgrade all installed packages to latest version\n");
 244      fprintf(stderr, "\tinstall <pkg>           Download and install <pkg> (and dependencies)\n");
 245      fprintf(stderr, "\tinstall <file.ipk>      Install package <file.ipk>\n");
 246      fprintf(stderr, "\tconfigure [<pkg>]       Configure unpacked packages\n");
 247      fprintf(stderr, "\tremove <pkg|regexp>     Remove package <pkg|packages following regexp>\n");
 248      fprintf(stderr, "\tflag <flag> <pkg> ...   Flag package(s) <pkg>\n");
 249      fprintf(stderr, "\t <flag>=hold|noprune|user|ok|installed|unpacked (one per invocation)    \n");
 250
 251      fprintf(stderr, "\nInformational Commands:\n");
 252      fprintf(stderr, "\tlist                    List available packages and descriptions\n");
 253      fprintf(stderr, "\tlist_installed          List all and only the installed packages and description \n");
 254      fprintf(stderr, "\tfiles <pkg>             List all files belonging to <pkg>\n");
 255      fprintf(stderr, "\tsearch <file|regexp>            Search for a package providing <file>\n");
 256 #ifndef OPKG_LIB
 257      fprintf(stderr, "\tinfo [pkg|regexp [<field>]]     Display all/some info fields for <pkg> or all\n");
 258      fprintf(stderr, "\tstatus [pkg|regexp [<field>]]   Display all/some status fields for <pkg> or all\n");
 259 #else
 260      fprintf(stderr, "\tinfo [pkg|regexp]               Display all info for <pkg>\n");
 261      fprintf(stderr, "\tstatus [pkg|regexp]             Display all status for <pkg>\n");
 262 #endif
 263      fprintf(stderr, "\tdownload <pkg>          Download <pkg> to current directory.\n");
 264      fprintf(stderr, "\tcompare_versions <v1> <op> <v2>\n");
 265      fprintf(stderr, "\t                          compare versions using <= < > >= = << >>\n");
 266      fprintf(stderr, "\tprint_architecture      prints the architecture.\n");
 267      fprintf(stderr, "\tprint_installation_architecture\n");
 268      fprintf(stderr, "\twhatdepends [-A] [pkgname|pat]+\n");
 269      fprintf(stderr, "\twhatdependsrec [-A] [pkgname|pat]+\n");
 270      fprintf(stderr, "\twhatprovides [-A] [pkgname|pat]+\n");
 271      fprintf(stderr, "\twhatconflicts [-A] [pkgname|pat]+\n");
 272      fprintf(stderr, "\twhatreplaces [-A] [pkgname|pat]+\n");
 273      fprintf(stderr, "\t                        prints the installation architecture.\n");
 274      fprintf(stderr, "\nOptions:\n");
 275      fprintf(stderr, "\t-A                      Query all packages with whatdepends, whatprovides, whatreplaces, whatconflicts\n");
 276      fprintf(stderr, "\t-V <level>               Set verbosity level to <level>. If no value is\n");
 277      fprintf(stderr, "\t--verbosity <level>      provided increase verbosity by one. Verbosity levels:\n");
 278      fprintf(stderr, "\t                         0 errors only\n");
 279      fprintf(stderr, "\t                         1 normal messages (default)\n");
 280      fprintf(stderr, "\t                         2 informative messages\n");
 281      fprintf(stderr, "\t                         3 debug output\n");
 282      fprintf(stderr, "\t-f <conf_file>          Use <conf_file> as the opkg configuration file\n");
 283      fprintf(stderr, "\t-conf <conf_file>       Default configuration file location\n");
 284      fprintf(stderr, "                          is %s/%s\n", ARGS_DEFAULT_CONF_FILE_DIR, ARGS_DEFAULT_CONF_FILE_NAME);
 285      fprintf(stderr, "\t-d <dest_name>          Use <dest_name> as the the root directory for\n");
 286      fprintf(stderr, "\t-dest <dest_name>       package installation, removal, upgrading.\n");
 287      fprintf(stderr, "                          <dest_name> should be a defined dest name from\n");
 288      fprintf(stderr, "                          the configuration file, (but can also be a\n");
 289      fprintf(stderr, "                          directory name in a pinch).\n");
 290      fprintf(stderr, "\t-o <offline_root>       Use <offline_root> as the root directory for\n");
 291      fprintf(stderr, "\t-offline <offline_root> offline installation of packages.\n");
 292      fprintf(stderr, "\t-verbose_wget           more wget messages\n");
 293
 294      fprintf(stderr, "\tForce Options (use when opkg is too smart for its own good):\n");
 295      fprintf(stderr, "\t-force-depends          Make dependency checks warnings instead of errors\n");
 296      fprintf(stderr, "\t                                Install/remove package in spite of failed dependences\n");
 297      fprintf(stderr, "\t-force-defaults         Use default options for questions asked by opkg.\n");
 298      fprintf(stderr, "                          (no prompts). Note that this will not prevent\n");
 299      fprintf(stderr, "                          package installation scripts from prompting.\n");
 300      fprintf(stderr, "\t-force-reinstall        Allow opkg to reinstall a package.\n");
 301      fprintf(stderr, "\t-force-overwrite        Allow opkg to overwrite files from another package during an install.\n");
 302      fprintf(stderr, "\t-force-downgrade        Allow opkg to downgrade packages.\n");
 303      fprintf(stderr, "\t-force_space            Install even if there does not seem to be enough space.\n");
 304      fprintf(stderr, "\t-noaction               No action -- test only\n");
 305      fprintf(stderr, "\t-nodeps                 Do not follow dependences\n");
 306      fprintf(stderr, "\t-force-removal-of-dependent-packages\n");
 307      fprintf(stderr, "\t-recursive              Allow opkg to remove package and all that depend on it.\n");
 308      fprintf(stderr, "\t-autoremove             Allow opkg to remove packages that where installed automatically to satisfy dependencies.\n");
 309      fprintf(stderr, "\t-test                   No action -- test only\n");
 310      fprintf(stderr, "\t-t                      Specify tmp-dir.\n");
 311      fprintf(stderr, "\t--tmp-dir               Specify tmp-dir.\n");
 312      fprintf(stderr, "\n");
 313      fprintf(stderr, "\tregexp could be something like 'pkgname*' '*file*' or similar\n");
 314      fprintf(stderr, "\teg: opkg info 'libstd*'  or opkg search '*libop*' or opkg remove 'libncur*'\n");
 315      /* -force-removal-of-essential-packages    Let opkg remove essential packages.
 316         Using this option is almost guaranteed to break your system, hence this option
 317         is not even advertised in the usage statement. */
 318      exit(1);
 319 }
 320
 321 static void print_version(void)
 322 {
 323      fprintf(stderr, "opkg version %s\n", VERSION);
 324 }