150 lines
4.0 KiB
C
150 lines
4.0 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2014 Colin Walters <walters@verbum.org>
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*
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* This library 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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "rpmostree-compose-builtins.h"
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#include "rpmostree-builtins.h"
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#include <ostree.h>
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#include <libgsystem.h>
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#include <glib/gi18n.h>
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typedef struct {
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const char *name;
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int (*fn) (int argc, char **argv, GCancellable *cancellable, GError **error);
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} RpmOstreeComposeCommand;
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static RpmOstreeComposeCommand compose_subcommands[] = {
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{ "tree", rpmostree_compose_builtin_tree },
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{ "sign", rpmostree_compose_builtin_sign },
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{ NULL, NULL }
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};
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static GOptionContext *
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compose_option_context_new_with_commands (void)
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{
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RpmOstreeComposeCommand *command = compose_subcommands;
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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 \"compose\" Commands:");
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while (command->name != NULL)
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{
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g_string_append_printf (summary, "\n %s", command->name);
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command++;
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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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rpmostree_builtin_compose (int argc, char **argv, GCancellable *cancellable, GError **error)
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{
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RpmOstreeComposeCommand *subcommand;
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const char *subcommand_name = NULL;
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gs_free char *prgname = NULL;
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int exit_status = EXIT_SUCCESS;
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int in, out;
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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 (subcommand_name == NULL)
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{
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subcommand_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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else if (g_str_equal (argv[in], "--"))
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{
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break;
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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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subcommand = compose_subcommands;
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while (subcommand->name)
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{
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if (g_strcmp0 (subcommand_name, subcommand->name) == 0)
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break;
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subcommand++;
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}
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if (!subcommand->name)
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{
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GOptionContext *context;
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gs_free char *help = NULL;
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context = compose_option_context_new_with_commands ();
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/* This will not return for some options (e.g. --version). */
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if (rpmostree_option_context_parse (context, NULL,
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&argc, &argv,
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RPM_OSTREE_BUILTIN_FLAG_LOCAL_CMD,
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cancellable,
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NULL,
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error))
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{
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if (subcommand_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 compose command '%s'", subcommand_name);
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}
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exit_status = EXIT_FAILURE;
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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 (), subcommand_name);
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g_set_prgname (prgname);
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exit_status = subcommand->fn (argc, argv, cancellable, error);
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out:
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return exit_status;
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}
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