diff options
Diffstat (limited to 'args.c')
| -rw-r--r-- | args.c | 317 |
1 files changed, 317 insertions, 0 deletions
@@ -0,0 +1,317 @@ +/* args.c - parse command-line args + + Carl D. Worth + + Copyright 2001 University of Southern California + + This program 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, or (at your option) + any later version. + + This program 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. + */ + +#include <getopt.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "ipkg.h" + +#include "config.h" +#include "args.h" +#include "sprintf_alloc.h" + +static void print_version(void); + +enum long_args_opt +{ + ARGS_OPT_FORCE_DEFAULTS = 129, + ARGS_OPT_FORCE_DEPENDS, + ARGS_OPT_FORCE_OVERWRITE, + ARGS_OPT_FORCE_DOWNGRADE, + ARGS_OPT_FORCE_REINSTALL, + ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES, + ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES, + ARGS_OPT_FORCE_SPACE, + ARGS_OPT_NOACTION, + ARGS_OPT_NODEPS, + ARGS_OPT_VERBOSE_WGET, + ARGS_OPT_VERBOSITY, + ARGS_OPT_MULTIPLE_PROVIDERS +}; + +int args_init(args_t *args) +{ + char *conf_file_dir; + + memset(args, 0, sizeof(args_t)); + + args->dest = ARGS_DEFAULT_DEST; + + conf_file_dir = getenv("IPKG_CONF_DIR"); + if (conf_file_dir == NULL || conf_file_dir[0] == '\0') { + conf_file_dir = ARGS_DEFAULT_CONF_FILE_DIR; + } + sprintf_alloc(&args->conf_file, "%s/%s", conf_file_dir, + ARGS_DEFAULT_CONF_FILE_NAME); + + args->force_defaults = ARGS_DEFAULT_FORCE_DEFAULTS; + args->force_depends = ARGS_DEFAULT_FORCE_DEPENDS; + args->force_overwrite = ARGS_DEFAULT_FORCE_OVERWRITE; + args->force_downgrade = ARGS_DEFAULT_FORCE_DOWNGRADE; + args->force_reinstall = ARGS_DEFAULT_FORCE_REINSTALL; + args->force_removal_of_dependent_packages = ARGS_DEFAULT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES; + args->force_removal_of_essential_packages = ARGS_DEFAULT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES; + args->noaction = ARGS_DEFAULT_NOACTION; + args->nodeps = ARGS_DEFAULT_NODEPS; + args->verbose_wget = ARGS_DEFAULT_VERBOSE_WGET; + args->verbosity = ARGS_DEFAULT_VERBOSITY; + args->offline_root = ARGS_DEFAULT_OFFLINE_ROOT; + args->offline_root_pre_script_cmd = ARGS_DEFAULT_OFFLINE_ROOT_PRE_SCRIPT_CMD; + args->offline_root_post_script_cmd = ARGS_DEFAULT_OFFLINE_ROOT_POST_SCRIPT_CMD; + args->multiple_providers = 0; + args->nocheckfordirorfile = 0; + args->noreadfeedsfile = 0; + + return 1; +} + +void args_deinit(args_t *args) +{ + free(args->conf_file); + args->conf_file = NULL; +} + +int args_parse(args_t *args, int argc, char *argv[]) +{ + int c; + int option_index = 0; + int parse_err = 0; + static struct option long_options[] = { + {"query-all", 0, 0, 'A'}, + {"conf-file", 1, 0, 'f'}, + {"conf", 1, 0, 'f'}, + {"dest", 1, 0, 'd'}, + {"force-defaults", 0, 0, ARGS_OPT_FORCE_DEFAULTS}, + {"force_defaults", 0, 0, ARGS_OPT_FORCE_DEFAULTS}, + {"force-depends", 0, 0, ARGS_OPT_FORCE_DEPENDS}, + {"force_depends", 0, 0, ARGS_OPT_FORCE_DEPENDS}, + {"force-overwrite", 0, 0, ARGS_OPT_FORCE_OVERWRITE}, + {"force_overwrite", 0, 0, ARGS_OPT_FORCE_OVERWRITE}, + {"force_downgrade", 0, 0, ARGS_OPT_FORCE_DOWNGRADE}, + {"force-downgrade", 0, 0, ARGS_OPT_FORCE_DOWNGRADE}, + {"force-reinstall", 0, 0, ARGS_OPT_FORCE_REINSTALL}, + {"force_reinstall", 0, 0, ARGS_OPT_FORCE_REINSTALL}, + {"force-space", 0, 0, ARGS_OPT_FORCE_SPACE}, + {"force_space", 0, 0, ARGS_OPT_FORCE_SPACE}, + {"recursive", 0, 0, + ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES}, + {"force-removal-of-dependent-packages", 0, 0, + ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES}, + {"force_removal_of_dependent_packages", 0, 0, + ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES}, + {"force-removal-of-essential-packages", 0, 0, + ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES}, + {"force_removal_of_essential_packages", 0, 0, + ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES}, + {"multiple-providers", 0, 0, ARGS_OPT_MULTIPLE_PROVIDERS}, + {"multiple_providers", 0, 0, ARGS_OPT_MULTIPLE_PROVIDERS}, + {"noaction", 0, 0, ARGS_OPT_NOACTION}, + {"nodeps", 0, 0, ARGS_OPT_NODEPS}, + {"offline", 1, 0, 'o'}, + {"offline-root", 1, 0, 'o'}, + {"test", 0, 0, ARGS_OPT_NOACTION}, + {"tmp-dir", 1, 0, 't'}, + {"verbose-wget", 0, 0, ARGS_OPT_VERBOSE_WGET}, + {"verbose_wget", 0, 0, ARGS_OPT_VERBOSE_WGET}, + {"verbosity", 2, 0, 'V'}, + {"version", 0, 0, 'v'}, + {0, 0, 0, 0} + }; + + while (1) { + c = getopt_long_only(argc, argv, "Ad:f:no:t:vV:", long_options, &option_index); + if (c == -1) + break; + + switch (c) { + case 'A': + args->query_all = 1; + break; + case 'd': + args->dest = optarg; + break; + case 'f': + free(args->conf_file); + args->conf_file = strdup(optarg); + break; + case 'o': + args->offline_root = optarg; + break; + case 'n': + args->noaction = 1; + break; + case 't': + args->tmp_dir = strdup(optarg); + break; + case 'v': + print_version(); + exit(0); + case 'V': + case ARGS_OPT_VERBOSITY: + if (optarg) + args->verbosity = atoi(optarg); + else + args->verbosity += 1; + break; + case ARGS_OPT_FORCE_DEFAULTS: + args->force_defaults = 1; + break; + case ARGS_OPT_FORCE_DEPENDS: + args->force_depends = 1; + break; + case ARGS_OPT_FORCE_OVERWRITE: + args->force_overwrite = 1; + break; + case ARGS_OPT_FORCE_DOWNGRADE: + args->force_downgrade = 1; + break; + case ARGS_OPT_FORCE_REINSTALL: + args->force_reinstall = 1; + break; + case ARGS_OPT_FORCE_REMOVAL_OF_ESSENTIAL_PACKAGES: + args->force_removal_of_essential_packages = 1; + break; + case ARGS_OPT_FORCE_REMOVAL_OF_DEPENDENT_PACKAGES: + args->force_removal_of_dependent_packages = 1; + break; + case ARGS_OPT_FORCE_SPACE: + args->force_space = 1; + break; + case ARGS_OPT_VERBOSE_WGET: + args->verbose_wget = 1; + break; + case ARGS_OPT_MULTIPLE_PROVIDERS: + args->multiple_providers = 1; + break; + case ARGS_OPT_NODEPS: + args->nodeps = 1; + break; + case ARGS_OPT_NOACTION: + args->noaction = 1; + break; + case ':': + parse_err++; + break; + case '?': + parse_err++; + break; + default: + printf("Confusion: getopt_long returned %d\n", c); + } + } + + if (parse_err) { + return -parse_err; + } else { + return optind; + } +} + +void args_usage(char *complaint) +{ + if (complaint) { + fprintf(stderr, "ipkg: %s\n", complaint); + } + print_version(); + fprintf(stderr, "usage: ipkg [options...] sub-command [arguments...]\n"); + fprintf(stderr, "where sub-command is one of:\n"); + + fprintf(stderr, "\nPackage Manipulation:\n"); + fprintf(stderr, "\tupdate Update list of available packages\n"); + fprintf(stderr, "\tupgrade Upgrade all installed packages to latest version\n"); + fprintf(stderr, "\tinstall <pkg> Download and install <pkg> (and dependencies)\n"); + fprintf(stderr, "\tinstall <file.ipk> Install package <file.ipk>\n"); + fprintf(stderr, "\tconfigure [<pkg>] Configure unpacked packages\n"); + fprintf(stderr, "\tremove <pkg|regexp> Remove package <pkg|packages following regexp>\n"); + fprintf(stderr, "\tflag <flag> <pkg> ... Flag package(s) <pkg>\n"); + fprintf(stderr, "\t <flag>=hold|noprune|user|ok|installed|unpacked (one per invocation) \n"); + + fprintf(stderr, "\nInformational Commands:\n"); + fprintf(stderr, "\tlist List available packages and descriptions\n"); + fprintf(stderr, "\tlist_installed List all and only the installed packages and description \n"); + fprintf(stderr, "\tfiles <pkg> List all files belonging to <pkg>\n"); + fprintf(stderr, "\tsearch <file|regexp> Search for a package providing <file>\n"); +#ifndef IPKG_LIB + fprintf(stderr, "\tinfo [pkg|regexp [<field>]] Display all/some info fields for <pkg> or all\n"); + fprintf(stderr, "\tstatus [pkg|regexp [<field>]] Display all/some status fields for <pkg> or all\n"); +#else + fprintf(stderr, "\tinfo [pkg|regexp] Display all info for <pkg>\n"); + fprintf(stderr, "\tstatus [pkg|regexp] Display all status for <pkg>\n"); +#endif + fprintf(stderr, "\tdownload <pkg> Download <pkg> to current directory.\n"); + fprintf(stderr, "\tcompare_versions <v1> <op> <v2>\n"); + fprintf(stderr, "\t compare versions using <= < > >= = << >>\n"); + fprintf(stderr, "\tprint_architecture prints the architecture.\n"); + fprintf(stderr, "\tprint_installation_architecture\n"); + fprintf(stderr, "\twhatdepends [-A] [pkgname|pat]+\n"); + fprintf(stderr, "\twhatdependsrec [-A] [pkgname|pat]+\n"); + fprintf(stderr, "\twhatprovides [-A] [pkgname|pat]+\n"); + fprintf(stderr, "\twhatconflicts [-A] [pkgname|pat]+\n"); + fprintf(stderr, "\twhatreplaces [-A] [pkgname|pat]+\n"); + fprintf(stderr, "\t prints the installation architecture.\n"); + fprintf(stderr, "\nOptions:\n"); + fprintf(stderr, "\t-A Query all packages with whatdepends, whatprovides, whatreplaces, whatconflicts\n"); + fprintf(stderr, "\t-V <level> Set verbosity level to <level>. If no value is\n"); + fprintf(stderr, "\t--verbosity <level> provided increase verbosity by one. Verbosity levels:\n"); + fprintf(stderr, "\t 0 errors only\n"); + fprintf(stderr, "\t 1 normal messages (default)\n"); + fprintf(stderr, "\t 2 informative messages\n"); + fprintf(stderr, "\t 3 debug output\n"); + fprintf(stderr, "\t-f <conf_file> Use <conf_file> as the ipkg configuration file\n"); + fprintf(stderr, "\t-conf <conf_file> Default configuration file location\n"); + fprintf(stderr, " is %s/%s\n", ARGS_DEFAULT_CONF_FILE_DIR, ARGS_DEFAULT_CONF_FILE_NAME); + fprintf(stderr, "\t-d <dest_name> Use <dest_name> as the the root directory for\n"); + fprintf(stderr, "\t-dest <dest_name> package installation, removal, upgrading.\n"); + fprintf(stderr, " <dest_name> should be a defined dest name from\n"); + fprintf(stderr, " the configuration file, (but can also be a\n"); + fprintf(stderr, " directory name in a pinch).\n"); + fprintf(stderr, "\t-o <offline_root> Use <offline_root> as the root directory for\n"); + fprintf(stderr, "\t-offline <offline_root> offline installation of packages.\n"); + fprintf(stderr, "\t-verbose_wget more wget messages\n"); + + fprintf(stderr, "\tForce Options (use when ipkg is too smart for its own good):\n"); + fprintf(stderr, "\t-force-depends Make dependency checks warnings instead of errors\n"); + fprintf(stderr, "\t Install/remove package in spite of failed dependences\n"); + fprintf(stderr, "\t-force-defaults Use default options for questions asked by ipkg.\n"); + fprintf(stderr, " (no prompts). Note that this will not prevent\n"); + fprintf(stderr, " package installation scripts from prompting.\n"); + fprintf(stderr, "\t-force-reinstall Allow ipkg to reinstall a package.\n"); + fprintf(stderr, "\t-force-overwrite Allow ipkg to overwrite files from another package during an install.\n"); + fprintf(stderr, "\t-force-downgrade Allow ipkg to downgrade packages.\n"); + fprintf(stderr, "\t-force_space Install even if there does not seem to be enough space.\n"); + fprintf(stderr, "\t-noaction No action -- test only\n"); + fprintf(stderr, "\t-nodeps Do not follow dependences\n"); + fprintf(stderr, "\t-force-removal-of-dependent-packages\n"); + fprintf(stderr, "\t-recursive Allow ipkg to remove package and all that depend on it.\n"); + fprintf(stderr, "\t-test No action -- test only\n"); + fprintf(stderr, "\t-t Specify tmp-dir.\n"); + fprintf(stderr, "\t--tmp-dir Specify tmp-dir.\n"); + fprintf(stderr, "\n"); + fprintf(stderr, "\tregexp could be something like 'pkgname*' '*file*' or similar\n"); + fprintf(stderr, "\teg: ipkg info 'libstd*' or ipkg search '*libop*' or ipkg remove 'libncur*'\n"); + /* -force-removal-of-essential-packages Let ipkg remove essential packages. + Using this option is almost guaranteed to break your system, hence this option + is not even advertised in the usage statement. */ + exit(1); +} + +static void print_version(void) +{ + fprintf(stderr, "ipkg version %s\n", VERSION); +} |