Rename source files to flatpak

1 files changed, 367 insertions, 0 deletions

diff --git a/app/flatpak-main.c b/app/flatpak-main.c
new file mode 100644
index 0000000..e5fbb57
--- /dev/null
+++ b/app/flatpak-main.c
@@ -0,0 +1,367 @@
+/*
+ * Copyright © 2014 Red Hat, Inc
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *       Alexander Larsson <alexl@redhat.com>
+ */
+
+#include "config.h"
+
+#include <locale.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <gio/gio.h>
+#include "libglnx/libglnx.h"
+#include "libgsystem.h"
+
+#include "flatpak-builtins.h"
+#include "flatpak-utils.h"
+
+static gboolean opt_verbose;
+static gboolean opt_version;
+static gboolean opt_default_arch;
+static gboolean opt_user;
+
+typedef struct
+{
+  const char *name;
+  gboolean (*fn)(int           argc,
+                 char        **argv,
+                 GCancellable *cancellable,
+                 GError      **error);
+  const char *description;
+  gboolean    deprecated;
+} FlatpakCommand;
+
+static FlatpakCommand commands[] = {
+  { " Manage installed apps and runtimes" },
+  { "install", flatpak_builtin_install, "Install an application or runtime from a remote"},
+  { "update", flatpak_builtin_update, "Update an installed application or runtime"},
+  { "uninstall", flatpak_builtin_uninstall, "Uninstall an installed application or runtime" },
+  { "list", flatpak_builtin_list, "List installed apps and/or runtimes" },
+  { "info", flatpak_builtin_info, "Show info for installed app or runtime" },
+
+  { "\n Running applications" },
+  { "run", flatpak_builtin_run, "Run an application" },
+  { "override", flatpak_builtin_override, "Override permissions for an application" },
+  { "export-file", flatpak_builtin_export_file, "Grant an application access to a specific file" },
+  { "make-current", flatpak_builtin_make_current_app, "Specify default version to run" },
+  { "enter", flatpak_builtin_enter, "Enter the namespace of a running application" },
+
+  { "\n Manage remote repositories" },
+  { "remote-add", flatpak_builtin_add_remote, "Add a new remote repository (by URL)" },
+  { "remote-modify", flatpak_builtin_modify_remote, "Modify properties of a configured remote" },
+  { "remote-delete", flatpak_builtin_delete_remote, "Delete a configured remote" },
+  { "remote-list", flatpak_builtin_list_remotes, "List all configured remotes"  },
+  { "remote-ls", flatpak_builtin_ls_remote, "List contents of a configured remote" },
+
+  { "\n Build applications" },
+  { "build-init", flatpak_builtin_build_init, "Initialize a directory for building" },
+  { "build", flatpak_builtin_build, "Run a build command inside the build dir" },
+  { "build-finish", flatpak_builtin_build_finish, "Finish a build dir for export" },
+  { "build-export", flatpak_builtin_build_export, "Export a build dir to a repository" },
+  { "build-bundle", flatpak_builtin_build_bundle, "Create a bundle file from a build directory" },
+  { "build-import-bundle", flatpak_builtin_build_import, "Import a bundle file" },
+  { "build-sign", flatpak_builtin_build_sign, "Sign an application or runtime" },
+  { "build-update-repo", flatpak_builtin_build_update_repo, "Update the summary file in a repository" },
+
+  { NULL }
+};
+
+static GOptionEntry global_entries[] = {
+  { "verbose", 'v', 0, G_OPTION_ARG_NONE, &opt_verbose, "Print debug information during command processing", NULL },
+  { "version", 0, 0, G_OPTION_ARG_NONE, &opt_version, "Print version information and exit", NULL },
+  { "default-arch", 0, 0, G_OPTION_ARG_NONE, &opt_default_arch, "Print default arch and exit", NULL },
+  { NULL }
+};
+
+static GOptionEntry user_entries[] = {
+  { "user", 0, 0, G_OPTION_ARG_NONE, &opt_user, "Work on user installations", NULL },
+  { "system", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &opt_user, "Work on system-wide installations (default)", NULL },
+  { NULL }
+};
+
+static void
+message_handler (const gchar   *log_domain,
+                 GLogLevelFlags log_level,
+                 const gchar   *message,
+                 gpointer       user_data)
+{
+  /* Make this look like normal console output */
+  if (log_level & G_LOG_LEVEL_DEBUG)
+    g_printerr ("XA: %s\n", message);
+  else
+    g_printerr ("%s: %s\n", g_get_prgname (), message);
+}
+
+GOptionContext *
+flatpak_option_context_new_with_commands (FlatpakCommand *commands)
+{
+  GOptionContext *context;
+  GString *summary;
+
+  context = g_option_context_new ("COMMAND");
+
+  summary = g_string_new ("Builtin Commands:");
+
+  while (commands->name != NULL)
+    {
+      if (!commands->deprecated)
+        {
+          if (commands->fn != NULL)
+            {
+              g_string_append_printf (summary, "\n  %s", commands->name);
+              if (commands->description)
+                g_string_append_printf (summary, "%*s%s", (int) (20 - strlen (commands->name)), "", commands->description);
+            }
+          else
+            {
+              g_string_append_printf (summary, "\n%s", commands->name);
+            }
+        }
+      commands++;
+    }
+
+  g_option_context_set_summary (context, summary->str);
+
+  g_string_free (summary, TRUE);
+
+  return context;
+}
+
+int
+flatpak_usage (FlatpakCommand *commands,
+               gboolean        is_error)
+{
+  GOptionContext *context;
+  g_autofree char *help;
+
+  context = flatpak_option_context_new_with_commands (commands);
+
+  g_option_context_add_main_entries (context, global_entries, NULL);
+
+  help = g_option_context_get_help (context, FALSE, NULL);
+
+  if (is_error)
+    g_printerr ("%s", help);
+  else
+    g_print ("%s", help);
+
+  g_option_context_free (context);
+
+  return is_error ? 1 : 0;
+}
+
+gboolean
+flatpak_option_context_parse (GOptionContext     *context,
+                              const GOptionEntry *main_entries,
+                              int                *argc,
+                              char             ***argv,
+                              FlatpakBuiltinFlags flags,
+                              FlatpakDir        **out_dir,
+                              GCancellable       *cancellable,
+                              GError            **error)
+{
+  g_autoptr(FlatpakDir) dir = NULL;
+
+  if (!(flags & FLATPAK_BUILTIN_FLAG_NO_DIR))
+    g_option_context_add_main_entries (context, user_entries, NULL);
+
+  if (main_entries != NULL)
+    g_option_context_add_main_entries (context, main_entries, NULL);
+
+  g_option_context_add_main_entries (context, global_entries, NULL);
+
+  if (!g_option_context_parse (context, argc, argv, error))
+    return FALSE;
+
+  if (opt_version)
+    {
+      g_print ("%s\n", PACKAGE_STRING);
+      exit (EXIT_SUCCESS);
+    }
+
+  if (opt_default_arch)
+    {
+      g_print ("%s\n", flatpak_get_arch ());
+      exit (EXIT_SUCCESS);
+    }
+
+  if (!(flags & FLATPAK_BUILTIN_FLAG_NO_DIR))
+    {
+      dir = flatpak_dir_get (opt_user);
+
+      if (!flatpak_dir_ensure_path (dir, cancellable, error))
+        return FALSE;
+
+      if (!(flags & FLATPAK_BUILTIN_FLAG_NO_REPO) &&
+          !flatpak_dir_ensure_repo (dir, cancellable, error))
+        return FALSE;
+    }
+
+  if (opt_verbose)
+    g_log_set_handler (NULL, G_LOG_LEVEL_DEBUG, message_handler, NULL);
+
+  if (out_dir)
+    *out_dir = g_steal_pointer (&dir);
+
+  return TRUE;
+}
+
+gboolean
+usage_error (GOptionContext *context, const char *message, GError **error)
+{
+  g_autofree gchar *help = g_option_context_get_help (context, TRUE, NULL);
+
+  g_printerr ("%s", help);
+  g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, message);
+  return FALSE;
+}
+
+int
+flatpak_run (int      argc,
+             char   **argv,
+             GError **res_error)
+{
+  FlatpakCommand *command;
+  GError *error = NULL;
+  GCancellable *cancellable = NULL;
+  const char *command_name = NULL;
+  g_autofree char *prgname = NULL;
+  gboolean success = FALSE;
+  int in, out;
+
+  /*
+   * Parse the global options. We rearrange the options as
+   * necessary, in order to pass relevant options through
+   * to the commands, but also have them take effect globally.
+   */
+  for (in = 1, out = 1; in < argc; in++, out++)
+    {
+      /* The non-option is the command, take it out of the arguments */
+      if (argv[in][0] != '-')
+        {
+          if (command_name == NULL)
+            {
+              command_name = argv[in];
+              out--;
+              continue;
+            }
+        }
+
+      argv[out] = argv[in];
+    }
+
+  argc = out;
+
+  command = commands;
+  while (command->name)
+    {
+      if (command->fn != NULL &&
+          g_strcmp0 (command_name, command->name) == 0)
+        break;
+      command++;
+    }
+
+  if (!command->fn)
+    {
+      GOptionContext *context;
+      g_autofree char *help;
+
+      context = flatpak_option_context_new_with_commands (commands);
+
+      /* This will not return for some options (e.g. --version). */
+      if (flatpak_option_context_parse (context, NULL, &argc, &argv, FLATPAK_BUILTIN_FLAG_NO_DIR, NULL, cancellable, &error))
+        {
+          if (command_name == NULL)
+            g_set_error_literal (&error, G_IO_ERROR, G_IO_ERROR_FAILED,
+                                 "No command specified");
+          else
+            g_set_error (&error, G_IO_ERROR, G_IO_ERROR_FAILED,
+                         "Unknown command '%s'", command_name);
+        }
+
+      help = g_option_context_get_help (context, FALSE, NULL);
+      g_printerr ("%s", help);
+
+      g_option_context_free (context);
+
+      goto out;
+    }
+
+  prgname = g_strdup_printf ("%s %s", g_get_prgname (), command_name);
+  g_set_prgname (prgname);
+
+  if (!command->fn (argc, argv, cancellable, &error))
+    goto out;
+
+  success = TRUE;
+out:
+  g_assert (success || error);
+
+  if (error)
+    {
+      g_propagate_error (res_error, error);
+      return 1;
+    }
+  return 0;
+}
+
+int
+main (int    argc,
+      char **argv)
+{
+  GError *error = NULL;
+  g_autofree const char *old_env = NULL;
+  int ret;
+
+  setlocale (LC_ALL, "");
+
+  g_log_set_handler (NULL, G_LOG_LEVEL_MESSAGE, message_handler, NULL);
+
+  g_set_prgname (argv[0]);
+
+  /* avoid gvfs (http://bugzilla.gnome.org/show_bug.cgi?id=526454) */
+  old_env = g_strdup (g_getenv ("GIO_USE_VFS"));
+  g_setenv ("GIO_USE_VFS", "local", TRUE);
+  g_vfs_get_default ();
+  if (old_env)
+    g_setenv ("GIO_USE_VFS", old_env, TRUE);
+  else
+    g_unsetenv ("GIO_USE_VFS");
+
+  ret = flatpak_run (argc, argv, &error);
+  if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED))
+    flatpak_usage (commands, TRUE);
+
+  if (error != NULL)
+    {
+      int is_tty = isatty (1);
+      const char *prefix = "";
+      const char *suffix = "";
+      if (is_tty)
+        {
+          prefix = "\x1b[31m\x1b[1m"; /* red, bold */
+          suffix = "\x1b[22m\x1b[0m"; /* bold off, color reset */
+        }
+      g_printerr ("%serror: %s%s\n", prefix, suffix, error->message);
+      g_error_free (error);
+    }
+
+  return ret;
+}