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