diff options
Diffstat (limited to 'subprojects/extensions-tool/src/command-install.c')
| -rw-r--r-- | subprojects/extensions-tool/src/command-install.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/subprojects/extensions-tool/src/command-install.c b/subprojects/extensions-tool/src/command-install.c new file mode 100644 index 0000000..2eefaba --- /dev/null +++ b/subprojects/extensions-tool/src/command-install.c @@ -0,0 +1,213 @@ +/* command-install.c + * + * Copyright 2018 Florian Müllner <fmuellner@gnome.org> + * + * 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 3 of the License, 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#include <glib/gi18n.h> +#include <gio/gio.h> + +#include <gnome-autoar/gnome-autoar.h> +#include <json-glib/json-glib.h> + +#include "commands.h" +#include "common.h" +#include "config.h" + +static JsonObject * +load_metadata (GFile *dir, + GError **error) +{ + g_autoptr (JsonParser) parser = NULL; + g_autoptr (GInputStream) stream = NULL; + g_autoptr (GFile) file = NULL; + + file = g_file_get_child (dir, "metadata.json"); + stream = G_INPUT_STREAM (g_file_read (file, NULL, error)); + if (stream == NULL) + return NULL; + + parser = json_parser_new_immutable (); + if (!json_parser_load_from_stream (parser, stream, NULL, error)) + return NULL; + + return json_node_dup_object (json_parser_get_root (parser)); +} + +static void +on_error (AutoarExtractor *extractor, + GError *error, + gpointer data) +{ + *((GError **)data) = g_error_copy (error); +} + +static GFile * +on_decide_destination (AutoarExtractor *extractor, + GFile *dest, + GList *files, + gpointer data) +{ + g_autofree char *dest_path = NULL; + GFile *new_dest; + int copy = 1; + + dest_path = g_file_get_path (dest); + new_dest = g_object_ref (dest); + + while (g_file_query_exists (new_dest, NULL)) + { + g_autofree char *new_path = g_strdup_printf ("%s (%d)", dest_path, copy); + + g_object_unref (new_dest); + new_dest = g_file_new_for_path (new_path); + + copy++; + } + + *((GFile **)data) = g_object_ref (new_dest); + + return new_dest; +} + +static int +install_extension (const char *bundle, + gboolean force) +{ + g_autoptr (AutoarExtractor) extractor = NULL; + g_autoptr (JsonObject) metadata = NULL; + g_autoptr (GFile) cachedir = NULL; + g_autoptr (GFile) tmpdir = NULL; + g_autoptr (GFile) src = NULL; + g_autoptr (GFile) dst = NULL; + g_autoptr (GFile) dstdir = NULL; + g_autoptr (GError) error = NULL; + g_autofree char *cwd = NULL; + const char *uuid; + + cwd = g_get_current_dir (); + src = g_file_new_for_commandline_arg_and_cwd (bundle, cwd); + cachedir = g_file_new_for_path (g_get_user_cache_dir ()); + + extractor = autoar_extractor_new (src, cachedir); + + g_signal_connect (extractor, "error", G_CALLBACK (on_error), &error); + g_signal_connect (extractor, "decide-destination", G_CALLBACK (on_decide_destination), &tmpdir); + + autoar_extractor_start (extractor, NULL); + + if (error != NULL) + goto err; + + metadata = load_metadata (tmpdir, &error); + if (metadata == NULL) + goto err; + + dstdir = g_file_new_build_filename (g_get_user_data_dir (), + "gnome-shell", "extensions", NULL); + + if (!g_file_make_directory_with_parents (dstdir, NULL, &error)) + { + if (error->code == G_IO_ERROR_EXISTS) + g_clear_error (&error); + else + goto err; + } + + uuid = json_object_get_string_member (metadata, "uuid"); + dst = g_file_get_child (dstdir, uuid); + + if (g_file_query_exists (dst, NULL)) + { + if (!force) + { + g_set_error (&error, G_IO_ERROR, G_IO_ERROR_EXISTS, + "%s exists and --force was not specified", uuid); + goto err; + } + else if (!file_delete_recursively (dst, &error)) + { + goto err; + } + } + + if (!g_file_move (tmpdir, dst, G_FILE_COPY_NONE, NULL, NULL, NULL, &error)) + goto err; + + return 0; + +err: + if (error != NULL) + g_printerr ("%s\n", error->message); + + if (tmpdir != NULL) + file_delete_recursively (tmpdir, NULL); + + return 2; +} + +int +handle_install (int argc, char *argv[], gboolean do_help) +{ + g_autoptr (GOptionContext) context = NULL; + g_autoptr (GError) error = NULL; + g_auto (GStrv) filenames = NULL; + gboolean force = FALSE; + GOptionEntry entries[] = { + { .long_name = "force", .short_name = 'f', + .arg = G_OPTION_ARG_NONE, .arg_data = &force, + .description = _("Overwrite an existing extension") }, + { .long_name = G_OPTION_REMAINING, + .arg_description =_("EXTENSION_BUNDLE"), + .arg = G_OPTION_ARG_FILENAME_ARRAY, .arg_data = &filenames }, + { NULL } + }; + + g_set_prgname ("gnome-extensions install"); + + context = g_option_context_new (NULL); + g_option_context_set_help_enabled (context, FALSE); + g_option_context_set_summary (context, _("Install an extension bundle")); + g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE); + g_option_context_add_group (context, get_option_group()); + + if (do_help) + { + show_help (context, NULL); + return 0; + } + + if (!g_option_context_parse (context, &argc, &argv, &error)) + { + show_help (context, error->message); + return 1; + } + + if (filenames == NULL) + { + show_help (context, _("No extension bundle specified")); + return 1; + } + + if (g_strv_length (filenames) > 1) + { + show_help (context, _("More than one extension bundle specified")); + return 1; + } + + return install_extension (*filenames, force); +} |