gboolean flatpak_builtin_build_init (int argc, char **argv, GCancellable *cancellable, GError **error) { g_autoptr(GOptionContext) context = NULL; g_autoptr(GFile) var_deploy_files = NULL; g_autoptr(GFile) base = NULL; g_autoptr(GFile) files_dir = NULL; g_autoptr(GFile) usr_dir = NULL; g_autoptr(GFile) var_dir = NULL; g_autoptr(GFile) var_tmp_dir = NULL; g_autoptr(GFile) var_run_dir = NULL; g_autoptr(GFile) metadata_file = NULL; g_autoptr(GString) metadata_contents = NULL; g_autoptr(GError) my_error = NULL; const char *app_id; const char *directory; const char *sdk; const char *runtime; const char *branch = "master"; g_autofree char *runtime_ref = NULL; g_autofree char *var_ref = NULL; g_autofree char *sdk_ref = NULL; int i; context = g_option_context_new (_("DIRECTORY APPNAME SDK RUNTIME [BRANCH] - Initialize a directory for building")); g_option_context_set_translation_domain (context, GETTEXT_PACKAGE); if (!flatpak_option_context_parse (context, options, &argc, &argv, FLATPAK_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error)) return FALSE; if (argc < 5) return usage_error (context, _("RUNTIME must be specified"), error); if (argc > 6) return usage_error (context, _("Too many arguments"), error); directory = argv[1]; app_id = argv[2]; sdk = argv[3]; runtime = argv[4]; if (argc >= 6) branch = argv[5]; if (!flatpak_is_valid_name (app_id, &my_error)) return flatpak_fail (error, _("'%s' is not a valid application name: %s"), app_id, my_error->message); if (!flatpak_is_valid_name (runtime, &my_error)) return flatpak_fail (error, _("'%s' is not a valid runtime name: %s"), runtime, my_error->message); if (!flatpak_is_valid_name (sdk, &my_error)) return flatpak_fail (error, _("'%s' is not a valid sdk name: %s"), sdk, my_error->message); if (!flatpak_is_valid_branch (branch, &my_error)) return flatpak_fail (error, _("'%s' is not a valid branch name: %s"), branch, my_error->message); runtime_ref = flatpak_build_untyped_ref (runtime, branch, opt_arch); sdk_ref = flatpak_build_untyped_ref (sdk, branch, opt_arch); base = g_file_new_for_commandline_arg (directory); if (!flatpak_mkdir_p (base, cancellable, error)) return FALSE; files_dir = g_file_get_child (base, "files"); if (opt_sdk_dir) usr_dir = g_file_get_child (base, opt_sdk_dir); else usr_dir = g_file_get_child (base, "usr"); var_dir = g_file_get_child (base, "var"); var_tmp_dir = g_file_get_child (var_dir, "tmp"); var_run_dir = g_file_get_child (var_dir, "run"); metadata_file = g_file_get_child (base, "metadata"); if (!opt_update && g_file_query_exists (files_dir, cancellable)) return flatpak_fail (error, _("Build directory %s already initialized"), directory); if (opt_writable_sdk) { g_autofree char *full_sdk_ref = g_strconcat ("runtime/", sdk_ref, NULL); g_autoptr(GFile) sdk_deploy_files = NULL; g_autoptr(FlatpakDeploy) sdk_deploy = NULL; sdk_deploy = flatpak_find_deploy_for_ref (full_sdk_ref, cancellable, error); if (sdk_deploy == NULL) return FALSE; if (!flatpak_rm_rf (usr_dir, NULL, &my_error)) { if (!g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND)) { g_propagate_error (error, g_steal_pointer (&my_error)); return FALSE; } g_clear_error (&my_error); } sdk_deploy_files = flatpak_deploy_get_files (sdk_deploy); if (!flatpak_cp_a (sdk_deploy_files, usr_dir, FLATPAK_CP_FLAGS_NO_CHOWN, cancellable, error)) return FALSE; if (opt_sdk_extensions && !copy_extensions (sdk_deploy, branch, opt_sdk_extensions, usr_dir, cancellable, error)) return FALSE; } if (opt_var) { var_ref = flatpak_build_runtime_ref (opt_var, branch, opt_arch); var_deploy_files = flatpak_find_files_dir_for_ref (var_ref, cancellable, error); if (var_deploy_files == NULL) return FALSE; } if (opt_update) return TRUE; if (!g_file_make_directory (files_dir, cancellable, error)) return FALSE; if (opt_base) { const char *base_branch; g_autofree char *base_ref = NULL; g_autoptr(GFile) base_deploy_files = NULL; g_autoptr(FlatpakDeploy) base_deploy = NULL; base_branch = opt_base_version ? opt_base_version : "master"; base_ref = flatpak_build_app_ref (opt_base, base_branch, opt_arch); base_deploy = flatpak_find_deploy_for_ref (base_ref, cancellable, error); if (base_deploy == NULL) return FALSE; base_deploy_files = flatpak_deploy_get_files (base_deploy); if (!flatpak_cp_a (base_deploy_files, files_dir, FLATPAK_CP_FLAGS_MERGE | FLATPAK_CP_FLAGS_NO_CHOWN, cancellable, error)) return FALSE; if (opt_base_extensions && !copy_extensions (base_deploy, base_branch, opt_base_extensions, files_dir, cancellable, error)) return FALSE; } if (var_deploy_files) { if (!flatpak_cp_a (var_deploy_files, var_dir, FLATPAK_CP_FLAGS_NONE, cancellable, error)) return FALSE; } else { if (!g_file_make_directory (var_dir, cancellable, error)) return FALSE; } if (!flatpak_mkdir_p (var_tmp_dir, cancellable, error)) return FALSE; if (!g_file_query_exists (var_run_dir, cancellable) && !g_file_make_symbolic_link (var_run_dir, "/run", cancellable, error)) return FALSE; metadata_contents = g_string_new ("[Application]\n"); g_string_append_printf (metadata_contents, "name=%s\n" "runtime=%s\n" "sdk=%s\n", app_id, runtime_ref, sdk_ref); if (opt_tags != NULL) { g_string_append (metadata_contents, "tags="); for (i = 0; opt_tags[i] != NULL; i++) { g_string_append (metadata_contents, opt_tags[i]); g_string_append_c (metadata_contents, ';'); } g_string_append_c (metadata_contents, '\n'); } if (!g_file_replace_contents (metadata_file, metadata_contents->str, metadata_contents->len, NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION, NULL, cancellable, error)) return FALSE; return TRUE; }
gboolean flatpak_builtin_build_init (int argc, char **argv, GCancellable *cancellable, GError **error) { g_autoptr(GOptionContext) context = NULL; g_autoptr(GFile) var_deploy_base = NULL; g_autoptr(GFile) var_deploy_files = NULL; g_autoptr(GFile) base = NULL; g_autoptr(GFile) files_dir = NULL; g_autoptr(GFile) usr_dir = NULL; g_autoptr(GFile) var_dir = NULL; g_autoptr(GFile) var_tmp_dir = NULL; g_autoptr(GFile) var_run_dir = NULL; g_autoptr(GFile) metadata_file = NULL; g_autoptr(GString) metadata_contents = NULL; const char *app_id; const char *directory; const char *sdk; const char *runtime; const char *branch = "master"; g_autofree char *runtime_ref = NULL; g_autofree char *var_ref = NULL; g_autofree char *sdk_ref = NULL; int i; context = g_option_context_new ("DIRECTORY APPNAME SDK RUNTIME [BRANCH] - Initialize a directory for building"); if (!flatpak_option_context_parse (context, options, &argc, &argv, FLATPAK_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error)) return FALSE; if (argc < 5) return usage_error (context, "RUNTIME must be specified", error); directory = argv[1]; app_id = argv[2]; sdk = argv[3]; runtime = argv[4]; if (argc >= 6) branch = argv[5]; if (!flatpak_is_valid_name (app_id)) return flatpak_fail (error, "'%s' is not a valid application name", app_id); if (!flatpak_is_valid_name (runtime)) return flatpak_fail (error, "'%s' is not a valid runtime name", runtime); if (!flatpak_is_valid_name (sdk)) return flatpak_fail (error, "'%s' is not a valid sdk name", sdk); if (!flatpak_is_valid_branch (branch)) return flatpak_fail (error, "'%s' is not a valid branch name", branch); runtime_ref = flatpak_build_untyped_ref (runtime, branch, opt_arch); sdk_ref = flatpak_build_untyped_ref (sdk, branch, opt_arch); base = g_file_new_for_commandline_arg (directory); if (!gs_file_ensure_directory (base, TRUE, cancellable, error)) return FALSE; files_dir = g_file_get_child (base, "files"); if (opt_sdk_dir) usr_dir = g_file_get_child (base, opt_sdk_dir); else usr_dir = g_file_get_child (base, "usr"); var_dir = g_file_get_child (base, "var"); var_tmp_dir = g_file_get_child (var_dir, "tmp"); var_run_dir = g_file_get_child (var_dir, "run"); metadata_file = g_file_get_child (base, "metadata"); if (!opt_update && g_file_query_exists (files_dir, cancellable)) return flatpak_fail (error, "Build directory %s already initialized", directory); if (opt_writable_sdk) { g_autofree char *full_sdk_ref = g_strconcat ("runtime/", sdk_ref, NULL); g_autoptr(GError) my_error = NULL; g_autoptr(GFile) sdk_deploy_files = NULL; g_autoptr(FlatpakDeploy) sdk_deploy = NULL; sdk_deploy = flatpak_find_deploy_for_ref (full_sdk_ref, cancellable, error); if (sdk_deploy == NULL) return FALSE; if (!gs_shutil_rm_rf (usr_dir, NULL, &my_error)) { if (!g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND)) { g_propagate_error (error, g_steal_pointer (&my_error)); return FALSE; } g_clear_error (&my_error); } sdk_deploy_files = flatpak_deploy_get_files (sdk_deploy); if (!flatpak_cp_a (sdk_deploy_files, usr_dir, FLATPAK_CP_FLAGS_NO_CHOWN, cancellable, error)) return FALSE; if (opt_sdk_extensions) { g_autoptr(GKeyFile) metakey = flatpak_deploy_get_metadata (sdk_deploy); GList *extensions = NULL, *l; /* We leak this on failure, as we have no autoptr for deep lists.. */ extensions = flatpak_list_extensions (metakey, opt_arch, branch); for (i = 0; opt_sdk_extensions[i] != NULL; i++) { const char *requested_extension = opt_sdk_extensions[i]; gboolean found = FALSE; for (l = extensions; l != NULL; l = l->next) { FlatpakExtension *ext = l->data; if (strcmp (ext->installed_id, requested_extension) == 0 || strcmp (ext->id, requested_extension) == 0) { g_autoptr(GFile) ext_deploy_dir = flatpak_find_deploy_dir_for_ref (ext->ref, cancellable, NULL); if (ext_deploy_dir != NULL) { g_autoptr(GFile) ext_deploy_files = g_file_get_child (ext_deploy_dir, "files"); g_autoptr(GFile) target = g_file_resolve_relative_path (usr_dir, ext->directory); g_autoptr(GFile) target_parent = g_file_get_parent (target); if (!gs_file_ensure_directory (target_parent, TRUE, cancellable, error)) return FALSE; /* An extension overrides whatever is there before, so we clean up first */ if (!gs_shutil_rm_rf (target, cancellable, error)) return FALSE; if (!flatpak_cp_a (ext_deploy_files, target, FLATPAK_CP_FLAGS_NO_CHOWN, cancellable, error)) return FALSE; found = TRUE; } else { g_list_free_full (extensions, (GDestroyNotify) flatpak_extension_free); return flatpak_fail (error, "Requested extension %s not installed\n", requested_extension); } } } if (!found) return flatpak_fail (error, "No extension %s in sdk\n", requested_extension); } g_list_free_full (extensions, (GDestroyNotify) flatpak_extension_free); } } if (opt_var) { var_ref = flatpak_build_runtime_ref (opt_var, branch, opt_arch); var_deploy_base = flatpak_find_deploy_dir_for_ref (var_ref, cancellable, error); if (var_deploy_base == NULL) return FALSE; var_deploy_files = g_file_get_child (var_deploy_base, "files"); } if (opt_update) return TRUE; if (!g_file_make_directory (files_dir, cancellable, error)) return FALSE; if (var_deploy_files) { if (!gs_shutil_cp_a (var_deploy_files, var_dir, cancellable, error)) return FALSE; } else { if (!g_file_make_directory (var_dir, cancellable, error)) return FALSE; } if (!gs_file_ensure_directory (var_tmp_dir, FALSE, cancellable, error)) return FALSE; if (!g_file_query_exists (var_run_dir, cancellable) && !g_file_make_symbolic_link (var_run_dir, "/run", cancellable, error)) return FALSE; metadata_contents = g_string_new ("[Application]\n"); g_string_append_printf (metadata_contents, "name=%s\n" "runtime=%s\n" "sdk=%s\n", app_id, runtime_ref, sdk_ref); if (opt_tags != NULL) { g_string_append (metadata_contents, "tags="); for (i = 0; opt_tags[i] != NULL; i++) { g_string_append (metadata_contents, opt_tags[i]); g_string_append_c (metadata_contents, ';'); } g_string_append_c (metadata_contents, '\n'); } if (!g_file_replace_contents (metadata_file, metadata_contents->str, metadata_contents->len, NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION, NULL, cancellable, error)) return FALSE; return TRUE; }
gboolean flatpak_builtin_build (int argc, char **argv, GCancellable *cancellable, GError **error) { g_autoptr(GOptionContext) context = NULL; g_autoptr(FlatpakDeploy) runtime_deploy = NULL; g_autoptr(GVariant) runtime_deploy_data = NULL; g_autoptr(FlatpakDeploy) extensionof_deploy = NULL; g_autoptr(GFile) var = NULL; g_autoptr(GFile) var_tmp = NULL; g_autoptr(GFile) var_lib = NULL; g_autoptr(GFile) usr = NULL; g_autoptr(GFile) res_deploy = NULL; g_autoptr(GFile) res_files = NULL; g_autoptr(GFile) app_files = NULL; gboolean app_files_ro = FALSE; g_autoptr(GFile) runtime_files = NULL; g_autoptr(GFile) metadata = NULL; g_autofree char *metadata_contents = NULL; g_autofree char *runtime = NULL; g_autofree char *runtime_ref = NULL; g_autofree char *extensionof_ref = NULL; g_autofree char *extensionof_tag = NULL; g_autofree char *extension_point = NULL; g_autofree char *extension_tmpfs_point = NULL; g_autoptr(GKeyFile) metakey = NULL; g_autoptr(GKeyFile) runtime_metakey = NULL; g_autoptr(FlatpakBwrap) bwrap = NULL; g_auto(GStrv) minimal_envp = NULL; gsize metadata_size; const char *directory = NULL; const char *command = "/bin/sh"; g_autofree char *id = NULL; int i; int rest_argv_start, rest_argc; g_autoptr(FlatpakContext) arg_context = NULL; g_autoptr(FlatpakContext) app_context = NULL; gboolean custom_usr; g_auto(GStrv) runtime_ref_parts = NULL; FlatpakRunFlags run_flags; const char *group = NULL; const char *runtime_key = NULL; const char *dest = NULL; gboolean is_app = FALSE; gboolean is_extension = FALSE; gboolean is_app_extension = FALSE; g_autofree char *app_info_path = NULL; g_autofree char *app_extensions = NULL; g_autofree char *runtime_extensions = NULL; g_autofree char *instance_id_host_dir = NULL; char pid_str[64]; g_autofree char *pid_path = NULL; g_autoptr(GFile) app_id_dir = NULL; context = g_option_context_new (_("DIRECTORY [COMMAND [ARGUMENT…]] - Build in directory")); g_option_context_set_translation_domain (context, GETTEXT_PACKAGE); rest_argc = 0; for (i = 1; i < argc; i++) { /* The non-option is the directory, take it out of the arguments */ if (argv[i][0] != '-') { rest_argv_start = i; rest_argc = argc - i; argc = i; break; } } arg_context = flatpak_context_new (); g_option_context_add_group (context, flatpak_context_get_options (arg_context)); if (!flatpak_option_context_parse (context, options, &argc, &argv, FLATPAK_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error)) return FALSE; if (rest_argc == 0) return usage_error (context, _("DIRECTORY must be specified"), error); directory = argv[rest_argv_start]; if (rest_argc >= 2) command = argv[rest_argv_start + 1]; res_deploy = g_file_new_for_commandline_arg (directory); metadata = g_file_get_child (res_deploy, opt_metadata ? opt_metadata : "metadata"); if (!g_file_query_exists (res_deploy, NULL) || !g_file_query_exists (metadata, NULL)) return flatpak_fail (error, _("Build directory %s not initialized, use flatpak build-init"), directory); if (!g_file_load_contents (metadata, cancellable, &metadata_contents, &metadata_size, NULL, error)) return FALSE; metakey = g_key_file_new (); if (!g_key_file_load_from_data (metakey, metadata_contents, metadata_size, 0, error)) return FALSE; if (g_key_file_has_group (metakey, FLATPAK_METADATA_GROUP_APPLICATION)) { group = FLATPAK_METADATA_GROUP_APPLICATION; is_app = TRUE; } else if (g_key_file_has_group (metakey, FLATPAK_METADATA_GROUP_RUNTIME)) { group = FLATPAK_METADATA_GROUP_RUNTIME; } else return flatpak_fail (error, _("metadata invalid, not application or runtime")); extensionof_ref = g_key_file_get_string (metakey, FLATPAK_METADATA_GROUP_EXTENSION_OF, FLATPAK_METADATA_KEY_REF, NULL); if (extensionof_ref != NULL) { is_extension = TRUE; if (g_str_has_prefix (extensionof_ref, "app/")) is_app_extension = TRUE; } extensionof_tag = g_key_file_get_string (metakey, FLATPAK_METADATA_GROUP_EXTENSION_OF, FLATPAK_METADATA_KEY_TAG, NULL); id = g_key_file_get_string (metakey, group, FLATPAK_METADATA_KEY_NAME, error); if (id == NULL) return FALSE; if (opt_runtime) runtime_key = FLATPAK_METADATA_KEY_RUNTIME; else runtime_key = FLATPAK_METADATA_KEY_SDK; runtime = g_key_file_get_string (metakey, group, runtime_key, error); if (runtime == NULL) return FALSE; runtime_ref = g_build_filename ("runtime", runtime, NULL); runtime_ref_parts = flatpak_decompose_ref (runtime_ref, error); if (runtime_ref_parts == NULL) return FALSE; custom_usr = FALSE; usr = g_file_get_child (res_deploy, opt_sdk_dir ? opt_sdk_dir : "usr"); if (g_file_query_exists (usr, cancellable)) { custom_usr = TRUE; runtime_files = g_object_ref (usr); } else { runtime_deploy = flatpak_find_deploy_for_ref (runtime_ref, NULL, cancellable, error); if (runtime_deploy == NULL) return FALSE; runtime_deploy_data = flatpak_deploy_get_deploy_data (runtime_deploy, FLATPAK_DEPLOY_VERSION_ANY, cancellable, error); if (runtime_deploy_data == NULL) return FALSE; runtime_metakey = flatpak_deploy_get_metadata (runtime_deploy); runtime_files = flatpak_deploy_get_files (runtime_deploy); } var = g_file_get_child (res_deploy, "var"); var_tmp = g_file_get_child (var, "tmp"); if (!flatpak_mkdir_p (var_tmp, cancellable, error)) return FALSE; var_lib = g_file_get_child (var, "lib"); if (!flatpak_mkdir_p (var_lib, cancellable, error)) return FALSE; res_files = g_file_get_child (res_deploy, "files"); if (is_app) { app_files = g_object_ref (res_files); if (opt_with_appdir) app_id_dir = flatpak_ensure_data_dir (id, cancellable, NULL); } else if (is_extension) { g_autoptr(GKeyFile) x_metakey = NULL; g_autofree char *x_group = NULL; g_autofree char *x_dir = NULL; g_autofree char *x_subdir_suffix = NULL; char *x_subdir = NULL; g_autofree char *bare_extension_point = NULL; extensionof_deploy = flatpak_find_deploy_for_ref (extensionof_ref, NULL, cancellable, error); if (extensionof_deploy == NULL) return FALSE; x_metakey = flatpak_deploy_get_metadata (extensionof_deploy); /* Since we have tagged extensions, it is possible that an extension could * be listed more than once in the "parent" flatpak. In that case, we should * try and disambiguate using the following rules: * * 1. Use the 'tag=' key in the ExtensionOfSection and if not found: * 2. Use the only extension point available if there is only one. * 3. If there are no matching groups, return NULL. * 4. In all other cases, error out. */ if (!find_matching_extension_group_in_metakey (x_metakey, id, extensionof_tag, &x_group, error)) return FALSE; if (x_group == NULL) { /* Failed, look for subdirectories=true parent */ char *last_dot = strrchr (id, '.'); if (last_dot != NULL) { char *parent_id = g_strndup (id, last_dot - id); if (!find_matching_extension_group_in_metakey (x_metakey, parent_id, extensionof_tag, &x_group, error)) return FALSE; if (x_group != NULL && g_key_file_get_boolean (x_metakey, x_group, FLATPAK_METADATA_KEY_SUBDIRECTORIES, NULL)) x_subdir = last_dot + 1; } if (x_subdir == NULL) return flatpak_fail (error, _("No extension point matching %s in %s"), id, extensionof_ref); } x_dir = g_key_file_get_string (x_metakey, x_group, FLATPAK_METADATA_KEY_DIRECTORY, error); if (x_dir == NULL) return FALSE; x_subdir_suffix = g_key_file_get_string (x_metakey, x_group, FLATPAK_METADATA_KEY_SUBDIRECTORY_SUFFIX, NULL); if (is_app_extension) { app_files = flatpak_deploy_get_files (extensionof_deploy); app_files_ro = TRUE; if (x_subdir != NULL) extension_tmpfs_point = g_build_filename ("/app", x_dir, NULL); bare_extension_point = g_build_filename ("/app", x_dir, x_subdir, NULL); } else { if (x_subdir != NULL) extension_tmpfs_point = g_build_filename ("/usr", x_dir, NULL); bare_extension_point = g_build_filename ("/usr", x_dir, x_subdir, NULL); } extension_point = g_build_filename (bare_extension_point, x_subdir_suffix, NULL); } app_context = flatpak_app_compute_permissions (metakey, runtime_metakey, error); if (app_context == NULL) return FALSE; flatpak_context_allow_host_fs (app_context); flatpak_context_merge (app_context, arg_context); minimal_envp = flatpak_run_get_minimal_env (TRUE, FALSE); bwrap = flatpak_bwrap_new (minimal_envp); flatpak_bwrap_add_args (bwrap, flatpak_get_bwrap (), NULL); run_flags = FLATPAK_RUN_FLAG_DEVEL | FLATPAK_RUN_FLAG_MULTIARCH | FLATPAK_RUN_FLAG_NO_SESSION_HELPER | FLATPAK_RUN_FLAG_SET_PERSONALITY | FLATPAK_RUN_FLAG_NO_A11Y_BUS_PROXY; if (opt_die_with_parent) run_flags |= FLATPAK_RUN_FLAG_DIE_WITH_PARENT; if (custom_usr) run_flags |= FLATPAK_RUN_FLAG_WRITABLE_ETC; run_flags |= flatpak_context_get_run_flags (app_context); /* Unless manually specified, we disable dbus proxy */ if (!flatpak_context_get_needs_session_bus_proxy (arg_context)) run_flags |= FLATPAK_RUN_FLAG_NO_SESSION_BUS_PROXY; if (!flatpak_context_get_needs_system_bus_proxy (arg_context)) run_flags |= FLATPAK_RUN_FLAG_NO_SYSTEM_BUS_PROXY; if (opt_log_session_bus) run_flags |= FLATPAK_RUN_FLAG_LOG_SESSION_BUS; if (opt_log_system_bus) run_flags |= FLATPAK_RUN_FLAG_LOG_SYSTEM_BUS; /* Never set up an a11y bus for builds */ run_flags |= FLATPAK_RUN_FLAG_NO_A11Y_BUS_PROXY; if (!flatpak_run_setup_base_argv (bwrap, runtime_files, app_id_dir, runtime_ref_parts[2], run_flags, error)) return FALSE; flatpak_bwrap_add_args (bwrap, (custom_usr && !opt_readonly) ? "--bind" : "--ro-bind", flatpak_file_get_path_cached (runtime_files), "/usr", NULL); if (!custom_usr) flatpak_bwrap_add_args (bwrap, "--lock-file", "/usr/.ref", NULL); if (app_files) flatpak_bwrap_add_args (bwrap, (app_files_ro || opt_readonly) ? "--ro-bind" : "--bind", flatpak_file_get_path_cached (app_files), "/app", NULL); else flatpak_bwrap_add_args (bwrap, "--dir", "/app", NULL); if (extension_tmpfs_point) flatpak_bwrap_add_args (bwrap, "--tmpfs", extension_tmpfs_point, NULL); /* We add the actual bind below so that we're not shadowed by other extensions or their tmpfs */ if (extension_point) dest = extension_point; else if (is_app) dest = g_strdup ("/app"); else dest = g_strdup ("/usr"); flatpak_bwrap_add_args (bwrap, "--setenv", "FLATPAK_DEST", dest, "--setenv", "FLATPAK_ID", id, "--setenv", "FLATPAK_ARCH", runtime_ref_parts[2], NULL); /* Persist some stuff in /var. We can't persist everything because that breaks /var things * from the host to work. For example the /home -> /var/home on atomic. * The interesting things to contain during the build is /var/tmp (for tempfiles shared during builds) * and things like /var/lib/rpm, if the installation uses packages. */ flatpak_bwrap_add_args (bwrap, "--bind", flatpak_file_get_path_cached (var_lib), "/var/lib", NULL); flatpak_bwrap_add_args (bwrap, "--bind", flatpak_file_get_path_cached (var_tmp), "/var/tmp", NULL); flatpak_run_apply_env_vars (bwrap, app_context); if (is_app) { /* We don't actually know the final branchname yet, so use "nobranch" as fallback to avoid unexpected matches. This means any extension point used at build time must have explicit versions to work. */ g_autofree char *fake_ref = g_strdup_printf ("app/%s/%s/nobranch", id, runtime_ref_parts[2]); if (!flatpak_run_add_extension_args (bwrap, metakey, fake_ref, FALSE, &app_extensions, cancellable, error)) return FALSE; } if (!custom_usr && !flatpak_run_add_extension_args (bwrap, runtime_metakey, runtime_ref, FALSE, &runtime_extensions, cancellable, error)) return FALSE; /* Mount this after the above extensions so we always win */ if (extension_point) flatpak_bwrap_add_args (bwrap, "--bind", flatpak_file_get_path_cached (res_files), extension_point, NULL); if (!flatpak_run_add_app_info_args (bwrap, app_files, NULL, app_extensions, runtime_files, runtime_deploy_data, runtime_extensions, id, NULL, runtime_ref, app_id_dir, app_context, NULL, FALSE, TRUE, TRUE, &app_info_path, &instance_id_host_dir, error)) return FALSE; if (!flatpak_run_add_environment_args (bwrap, app_info_path, run_flags, id, app_context, app_id_dir, NULL, cancellable, error)) return FALSE; for (i = 0; opt_bind_mounts != NULL && opt_bind_mounts[i] != NULL; i++) { char *split = strchr (opt_bind_mounts[i], '='); if (split == NULL) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT, _("Missing '=' in bind mount option '%s'"), opt_bind_mounts[i]); return FALSE; } *split++ = 0; flatpak_bwrap_add_args (bwrap, "--bind", split, opt_bind_mounts[i], NULL); } if (opt_build_dir != NULL) { flatpak_bwrap_add_args (bwrap, "--chdir", opt_build_dir, NULL); } if (!flatpak_bwrap_bundle_args (bwrap, 1, -1, FALSE, error)) return FALSE; flatpak_bwrap_add_args (bwrap, command, NULL); flatpak_bwrap_append_argsv (bwrap, &argv[rest_argv_start + 2], rest_argc - 2); g_ptr_array_add (bwrap->argv, NULL); g_snprintf (pid_str, sizeof (pid_str), "%d", getpid ()); pid_path = g_build_filename (instance_id_host_dir, "pid", NULL); g_file_set_contents (pid_path, pid_str, -1, NULL); /* Ensure we unset O_CLOEXEC */ child_setup (bwrap->fds); if (execvpe (flatpak_get_bwrap (), (char **) bwrap->argv->pdata, bwrap->envp) == -1) { g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), _("Unable to start app")); return FALSE; } /* Not actually reached... */ return TRUE; }
gboolean flatpak_builtin_build_init (int argc, char **argv, GCancellable *cancellable, GError **error) { g_autoptr(GOptionContext) context = NULL; g_autoptr(GFile) var_deploy_files = NULL; g_autoptr(GFile) base = NULL; g_autoptr(GFile) files_dir = NULL; g_autoptr(GFile) usr_dir = NULL; g_autoptr(GFile) var_dir = NULL; g_autoptr(GFile) var_tmp_dir = NULL; g_autoptr(GFile) var_run_dir = NULL; g_autoptr(GFile) metadata_file = NULL; g_autoptr(GString) metadata_contents = NULL; g_autoptr(GError) my_error = NULL; const char *app_id; const char *directory; const char *sdk_pref; const char *runtime_pref; const char *default_branch = NULL; g_autofree char *runtime_ref = NULL; g_autofree char *var_ref = NULL; g_autofree char *sdk_ref = NULL; FlatpakKinds kinds; int i; g_autoptr(FlatpakDir) sdk_dir = NULL; g_autoptr(FlatpakDir) runtime_dir = NULL; gboolean is_app = FALSE; gboolean is_extension = FALSE; gboolean is_runtime = FALSE; context = g_option_context_new (_("DIRECTORY APPNAME SDK RUNTIME [BRANCH] - Initialize a directory for building")); g_option_context_set_translation_domain (context, GETTEXT_PACKAGE); if (!flatpak_option_context_parse (context, options, &argc, &argv, FLATPAK_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error)) return FALSE; if (argc < 5) return usage_error (context, _("RUNTIME must be specified"), error); if (argc > 6) return usage_error (context, _("Too many arguments"), error); directory = argv[1]; app_id = argv[2]; sdk_pref = argv[3]; runtime_pref = argv[4]; if (argc >= 6) default_branch = argv[5]; if (opt_type != NULL) { if (strcmp (opt_type, "app") == 0) is_app = TRUE; else if (strcmp (opt_type, "extension") == 0) is_extension = TRUE; else if (strcmp (opt_type, "runtime") == 0) is_runtime = TRUE; else return flatpak_fail (error, _("'%s' is not a valid build type name, use app, runtime or extension"), opt_type); } else is_app = TRUE; if (!flatpak_is_valid_name (app_id, &my_error)) return flatpak_fail (error, _("'%s' is not a valid application name: %s"), app_id, my_error->message); kinds = FLATPAK_KINDS_RUNTIME; sdk_dir = flatpak_find_installed_pref (sdk_pref, kinds, opt_arch, default_branch, TRUE, FALSE, FALSE, NULL, &sdk_ref, cancellable, error); if (sdk_dir == NULL) return FALSE; kinds = FLATPAK_KINDS_RUNTIME; if (is_extension) kinds |= FLATPAK_KINDS_APP; runtime_dir = flatpak_find_installed_pref (runtime_pref, kinds, opt_arch, default_branch, TRUE, FALSE, FALSE, NULL, &runtime_ref, cancellable, error); if (runtime_dir == NULL) return FALSE; base = g_file_new_for_commandline_arg (directory); if (!flatpak_mkdir_p (base, cancellable, error)) return FALSE; files_dir = g_file_get_child (base, "files"); if (opt_sdk_dir) usr_dir = g_file_get_child (base, opt_sdk_dir); else usr_dir = g_file_get_child (base, "usr"); var_dir = g_file_get_child (base, "var"); var_tmp_dir = g_file_get_child (var_dir, "tmp"); var_run_dir = g_file_get_child (var_dir, "run"); metadata_file = g_file_get_child (base, "metadata"); if (!opt_update && g_file_query_exists (files_dir, cancellable)) return flatpak_fail (error, _("Build directory %s already initialized"), directory); if (opt_writable_sdk || is_runtime) { g_autoptr(GFile) sdk_deploy_files = NULL; g_autoptr(FlatpakDeploy) sdk_deploy = NULL; sdk_deploy = flatpak_dir_load_deployed (sdk_dir, sdk_ref, NULL, cancellable, error); if (sdk_deploy == NULL) return FALSE; if (!flatpak_rm_rf (usr_dir, NULL, &my_error)) { if (!g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND)) { g_propagate_error (error, g_steal_pointer (&my_error)); return FALSE; } g_clear_error (&my_error); } sdk_deploy_files = flatpak_deploy_get_files (sdk_deploy); if (!flatpak_cp_a (sdk_deploy_files, usr_dir, FLATPAK_CP_FLAGS_NO_CHOWN, cancellable, error)) return FALSE; if (opt_sdk_extensions && !copy_extensions (sdk_deploy, default_branch, opt_sdk_extensions, usr_dir, cancellable, error)) return FALSE; } if (opt_var) { var_ref = flatpak_build_runtime_ref (opt_var, default_branch, opt_arch); var_deploy_files = flatpak_find_files_dir_for_ref (var_ref, cancellable, error); if (var_deploy_files == NULL) return FALSE; } if (opt_update) return TRUE; if (!g_file_make_directory (files_dir, cancellable, error)) return FALSE; if (opt_base) { const char *base_branch; g_autofree char *base_ref = NULL; g_autoptr(GFile) base_deploy_files = NULL; g_autoptr(FlatpakDeploy) base_deploy = NULL; base_branch = opt_base_version ? opt_base_version : "master"; base_ref = flatpak_build_app_ref (opt_base, base_branch, opt_arch); base_deploy = flatpak_find_deploy_for_ref (base_ref, cancellable, error); if (base_deploy == NULL) return FALSE; base_deploy_files = flatpak_deploy_get_files (base_deploy); if (!flatpak_cp_a (base_deploy_files, files_dir, FLATPAK_CP_FLAGS_MERGE | FLATPAK_CP_FLAGS_NO_CHOWN, cancellable, error)) return FALSE; if (opt_base_extensions && !copy_extensions (base_deploy, base_branch, opt_base_extensions, files_dir, cancellable, error)) return FALSE; } if (var_deploy_files) { if (!flatpak_cp_a (var_deploy_files, var_dir, FLATPAK_CP_FLAGS_NONE, cancellable, error)) return FALSE; } else { if (!g_file_make_directory (var_dir, cancellable, error)) return FALSE; } if (!flatpak_mkdir_p (var_tmp_dir, cancellable, error)) return FALSE; if (!g_file_query_exists (var_run_dir, cancellable) && !g_file_make_symbolic_link (var_run_dir, "/run", cancellable, error)) return FALSE; metadata_contents = g_string_new (""); if (is_app) g_string_append (metadata_contents, "[Application]\n"); else g_string_append (metadata_contents, "[Runtime]\n"); g_string_append_printf (metadata_contents, "name=%s\n", app_id); /* The "runtime" can be an app in case we're building an extension */ if (g_str_has_prefix (runtime_ref, "runtime/")) g_string_append_printf (metadata_contents, "runtime=%s\n", runtime_ref + strlen ("runtime/")); if (g_str_has_prefix (sdk_ref, "runtime/")) g_string_append_printf (metadata_contents, "sdk=%s\n", sdk_ref + strlen ("runtime/")); if (opt_tags != NULL) { g_string_append (metadata_contents, "tags="); for (i = 0; opt_tags[i] != NULL; i++) { g_string_append (metadata_contents, opt_tags[i]); g_string_append_c (metadata_contents, ';'); } g_string_append_c (metadata_contents, '\n'); } if (is_extension) g_string_append_printf (metadata_contents, "\n" "[ExtensionOf]\n" "ref=%s\n", runtime_ref); if (!g_file_replace_contents (metadata_file, metadata_contents->str, metadata_contents->len, NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION, NULL, cancellable, error)) return FALSE; return TRUE; }