src/cli/lib/shell.c

   1 /*#############################################################################
   2 #                                                                             #
   3 # Pakfire - The IPFire package management system                              #
   4 # Copyright (C) 2023 Pakfire development team                                 #
   5 #                                                                             #
   6 # This program is free software: you can redistribute it and/or modify        #
   7 # it under the terms of the GNU General Public License as published by        #
   8 # the Free Software Foundation, either version 3 of the License, or           #
   9 # (at your option) any later version.                                         #
  10 #                                                                             #
  11 # This program is distributed in the hope that it will be useful,             #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  14 # GNU General Public License for more details.                                #
  15 #                                                                             #
  16 # You should have received a copy of the GNU General Public License           #
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  18 #                                                                             #
  19 #############################################################################*/
  20
  21 #include <argp.h>
  22
  23 #include "command.h"
  24 #include "pakfire.h"
  25 #include "shell.h"
  26
  27 #include <pakfire/build.h>
  28 #include <pakfire/pakfire.h>
  29
  30 #define MAX_PACKAGES 128
  31
  32 struct config {
  33         int flags;
  34
  35         // Packages
  36         const char* packages[MAX_PACKAGES];
  37         unsigned int num_packages;
  38 };
  39
  40 static const char* doc =
  41         "Creates a build environment and launches an interactive shell in it";
  42
  43 enum {
  44         OPT_DISABLE_SNAPSHOT = 1,
  45         OPT_INSTALL          = 2,
  46 };
  47
  48 static struct argp_option options[] = {
  49         { "disable-snapshot", OPT_DISABLE_SNAPSHOT,      NULL, 0, "Do not use the snapshot", 0 },
  50         { "install",          OPT_INSTALL,          "PACKAGE", 0, "Install this package", 0 },
  51         { NULL },
  52 };
  53
  54 static error_t parse(int key, char* arg, struct argp_state* state, void* data) {
  55         struct config* config = data;
  56
  57         switch (key) {
  58                 case OPT_DISABLE_SNAPSHOT:
  59                         config->flags |= PAKFIRE_BUILD_DISABLE_SNAPSHOT;
  60                         break;
  61
  62                 case ARGP_KEY_ARG:
  63                         if (config->num_packages >= MAX_PACKAGES)
  64                                 return -ENOBUFS;
  65
  66                         config->packages[config->num_packages++] = arg;
  67                         break;
  68
  69                 default:
  70                         return ARGP_ERR_UNKNOWN;
  71         }
  72
  73         return 0;
  74 }
  75
  76 int cli_shell(void* data, int argc, char* argv[]) {
  77         struct pakfire* pakfire = NULL;
  78         int r;
  79
  80         struct cli_config* cli_config = data;
  81
  82         struct config config = {
  83                 .flags        = 0,
  84                 .packages     = { NULL },
  85                 .num_packages = 0,
  86         };
  87
  88         // Parse the command line
  89         r = cli_parse(options, NULL, NULL, doc, parse, 0, argc, argv, &config);
  90         if (r)
  91                 goto ERROR;
  92
  93         // Setup pakfire
  94         r = cli_setup_pakfire(&pakfire, cli_config);
  95         if (r)
  96                 goto ERROR;
  97
  98         // Run the shell
  99         r = pakfire_shell(pakfire, config.packages, config.flags);
 100         if (r)
 101                 goto ERROR;
 102
 103 ERROR:
 104         if (pakfire)
 105                 pakfire_unref(pakfire);
 106
 107         return r;
 108 }