forked from Mirrors/flatpak-builder
334 lines
8.9 KiB
C
334 lines
8.9 KiB
C
/*
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* Copyright © 2014 Red Hat, Inc
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Alexander Larsson <alexl@redhat.com>
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*/
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#include "config.h"
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <gio/gio.h>
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#include "libglnx/libglnx.h"
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#include "libgsystem.h"
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#include "xdg-app-builtins.h"
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static gboolean opt_verbose;
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static gboolean opt_version;
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static gboolean opt_user;
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typedef struct {
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const char *name;
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gboolean (*fn) (int argc, char **argv, GCancellable *cancellable, GError **error);
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} XdgAppCommand;
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static XdgAppCommand commands[] = {
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{ "add-remote", xdg_app_builtin_add_remote },
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{ "delete-remote", xdg_app_builtin_delete_remote },
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{ "list-remotes", xdg_app_builtin_list_remotes },
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{ "repo-contents", xdg_app_builtin_repo_contents },
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{ "install-runtime", xdg_app_builtin_install_runtime },
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{ "update-runtime", xdg_app_builtin_update_runtime },
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{ "uninstall-runtime", xdg_app_builtin_uninstall_runtime },
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{ "list-runtimes", xdg_app_builtin_list_runtimes },
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{ "install-app", xdg_app_builtin_install_app },
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{ "update-app", xdg_app_builtin_update_app },
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{ "make-app-current", xdg_app_builtin_make_current_app },
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{ "uninstall-app", xdg_app_builtin_uninstall_app },
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{ "list-apps", xdg_app_builtin_list_apps },
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{ "run", xdg_app_builtin_run },
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{ "build-init", xdg_app_builtin_build_init },
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{ "build", xdg_app_builtin_build },
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{ "build-finish", xdg_app_builtin_build_finish },
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{ "build-export", xdg_app_builtin_build_export },
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{ "repo-update", xdg_app_builtin_repo_update },
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{ NULL }
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};
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static GOptionEntry global_entries[] = {
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{ "verbose", 'v', 0, G_OPTION_ARG_NONE, &opt_verbose, "Print debug information during command processing", NULL },
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{ "version", 0, 0, G_OPTION_ARG_NONE, &opt_version, "Print version information and exit", NULL },
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{ NULL }
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};
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static GOptionEntry user_entries[] = {
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{ "user", 0, 0, G_OPTION_ARG_NONE, &opt_user, "Work on user installations", NULL },
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{ "system", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &opt_user, "Work on system-wide installations", NULL },
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{ NULL }
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};
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static void
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message_handler (const gchar *log_domain,
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GLogLevelFlags log_level,
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const gchar *message,
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gpointer user_data)
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{
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/* Make this look like normal console output */
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if (log_level & G_LOG_LEVEL_DEBUG)
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g_printerr ("XA: %s\n", message);
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else
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g_printerr ("%s: %s\n", g_get_prgname (), message);
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}
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GOptionContext *
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xdg_app_option_context_new_with_commands (XdgAppCommand *commands)
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{
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GOptionContext *context;
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GString *summary;
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context = g_option_context_new ("COMMAND");
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summary = g_string_new ("Builtin Commands:");
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while (commands->name != NULL)
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{
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g_string_append_printf (summary, "\n %s", commands->name);
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commands++;
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}
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g_option_context_set_summary (context, summary->str);
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g_string_free (summary, TRUE);
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return context;
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}
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int
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xdg_app_usage (XdgAppCommand *commands,
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gboolean is_error)
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{
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GOptionContext *context;
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g_autofree char *help;
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context = xdg_app_option_context_new_with_commands (commands);
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g_option_context_add_main_entries (context, global_entries, NULL);
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help = g_option_context_get_help (context, FALSE, NULL);
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if (is_error)
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g_printerr ("%s", help);
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else
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g_print ("%s", help);
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g_option_context_free (context);
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return (is_error ? 1 : 0);
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}
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gboolean
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xdg_app_option_context_parse (GOptionContext *context,
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const GOptionEntry *main_entries,
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int *argc,
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char ***argv,
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XdgAppBuiltinFlags flags,
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XdgAppDir **out_dir,
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GCancellable *cancellable,
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GError **error)
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{
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gboolean success = FALSE;
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g_autoptr(XdgAppDir) dir = NULL;
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if (!(flags & XDG_APP_BUILTIN_FLAG_NO_DIR))
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g_option_context_add_main_entries (context, user_entries, NULL);
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if (main_entries != NULL)
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g_option_context_add_main_entries (context, main_entries, NULL);
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g_option_context_add_main_entries (context, global_entries, NULL);
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if (!g_option_context_parse (context, argc, argv, error))
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return FALSE;
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if (opt_version)
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{
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g_print ("%s\n", PACKAGE_STRING);
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exit (EXIT_SUCCESS);
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}
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if (!(flags & XDG_APP_BUILTIN_FLAG_NO_DIR))
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{
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dir = xdg_app_dir_get (opt_user);
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if (!xdg_app_dir_ensure_path (dir, cancellable, error))
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goto out;
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if (!(flags & XDG_APP_BUILTIN_FLAG_NO_REPO) &&
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!xdg_app_dir_ensure_repo (dir, cancellable,error))
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goto out;
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}
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if (opt_verbose)
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g_log_set_handler (NULL, G_LOG_LEVEL_DEBUG, message_handler, NULL);
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if (out_dir)
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*out_dir = g_steal_pointer (&dir);
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success = TRUE;
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out:
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return success;
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}
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void
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usage_error (GOptionContext *context, const char *message, GError **error)
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{
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g_autofree gchar *help = g_option_context_get_help (context, TRUE, NULL);
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g_printerr ("%s", help);
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g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, message);
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}
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int
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xdg_app_run (int argc,
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char **argv,
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XdgAppCommand *commands,
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GError **res_error)
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{
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XdgAppCommand *command;
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GError *error = NULL;
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GCancellable *cancellable = NULL;
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const char *command_name = NULL;
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g_autofree char *prgname = NULL;
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gboolean success = FALSE;
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int in, out;
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/*
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* Parse the global options. We rearrange the options as
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* necessary, in order to pass relevant options through
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* to the commands, but also have them take effect globally.
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*/
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for (in = 1, out = 1; in < argc; in++, out++)
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{
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/* The non-option is the command, take it out of the arguments */
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if (argv[in][0] != '-')
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{
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if (command_name == NULL)
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{
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command_name = argv[in];
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out--;
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continue;
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}
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}
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argv[out] = argv[in];
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}
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argc = out;
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command = commands;
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while (command->name)
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{
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if (g_strcmp0 (command_name, command->name) == 0)
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break;
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command++;
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}
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if (!command->fn)
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{
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GOptionContext *context;
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g_autofree char *help;
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context = xdg_app_option_context_new_with_commands (commands);
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/* This will not return for some options (e.g. --version). */
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if (xdg_app_option_context_parse (context, NULL, &argc, &argv, XDG_APP_BUILTIN_FLAG_NO_DIR, NULL, cancellable, &error))
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{
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if (command_name == NULL)
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{
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g_set_error_literal (&error, G_IO_ERROR, G_IO_ERROR_FAILED,
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"No command specified");
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}
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else
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{
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g_set_error (&error, G_IO_ERROR, G_IO_ERROR_FAILED,
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"Unknown command '%s'", command_name);
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}
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}
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help = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", help);
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g_option_context_free (context);
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goto out;
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}
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prgname = g_strdup_printf ("%s %s", g_get_prgname (), command_name);
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g_set_prgname (prgname);
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if (!command->fn (argc, argv, cancellable, &error))
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goto out;
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success = TRUE;
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out:
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g_assert (success || error);
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if (error)
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{
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g_propagate_error (res_error, error);
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return 1;
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}
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return 0;
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}
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int
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main (int argc,
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char **argv)
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{
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GError *error = NULL;
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g_autofree const char *old_env = NULL;
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int ret;
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setlocale (LC_ALL, "");
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g_log_set_handler (NULL, G_LOG_LEVEL_MESSAGE, message_handler, NULL);
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g_set_prgname (argv[0]);
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/* avoid gvfs (http://bugzilla.gnome.org/show_bug.cgi?id=526454) */
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old_env = g_strdup (g_getenv ("GIO_USE_VFS"));
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g_setenv ("GIO_USE_VFS", "local", TRUE);
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g_vfs_get_default ();
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if (old_env)
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g_setenv ("GIO_USE_VFS", old_env, TRUE);
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else
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g_unsetenv ("GIO_USE_VFS");
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ret = xdg_app_run (argc, argv, commands, &error);
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if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED))
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xdg_app_usage (commands, TRUE);
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if (error != NULL)
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{
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int is_tty = isatty (1);
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const char *prefix = "";
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const char *suffix = "";
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if (is_tty)
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{
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prefix = "\x1b[31m\x1b[1m"; /* red, bold */
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suffix = "\x1b[22m\x1b[0m"; /* bold off, color reset */
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}
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g_printerr ("%serror: %s%s\n", prefix, suffix, error->message);
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g_error_free (error);
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}
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return ret;
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}
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