/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- * * Copyright (C) 2013,2014 Colin Walters * * 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 licence 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, write to the * Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. */ #include "config.h" #include #include #include #include #include #include #include #include #include #include "rpmostree-compose-builtins.h" #include "rpmostree-util.h" #include "rpmostree-hif.h" #include "rpmostree-json-parsing.h" #include "rpmostree-cleanup.h" #include "rpmostree-postprocess.h" #include "rpmostree-passwd-util.h" #include "rpmostree-libbuiltin.h" #include "rpmostree-rpm-util.h" #include "libgsystem.h" static char *opt_workdir; static gboolean opt_workdir_tmpfs; static char *opt_cachedir; static gboolean opt_force_nocache; static char *opt_proxy; static char *opt_output_repodata_dir; static char **opt_metadata_strings; static char *opt_repo; static char **opt_override_pkg_repos; static char *opt_touch_if_changed; static gboolean opt_print_only; static GOptionEntry option_entries[] = { { "add-metadata-string", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_metadata_strings, "Append given key and value (in string format) to metadata", "KEY=VALUE" }, { "workdir", 0, 0, G_OPTION_ARG_STRING, &opt_workdir, "Working directory", "WORKDIR" }, { "workdir-tmpfs", 0, 0, G_OPTION_ARG_NONE, &opt_workdir_tmpfs, "Use tmpfs for working state", NULL }, { "output-repodata-dir", 0, 0, G_OPTION_ARG_STRING, &opt_output_repodata_dir, "Save downloaded repodata in DIR", "DIR" }, { "cachedir", 0, 0, G_OPTION_ARG_STRING, &opt_cachedir, "Cached state", "CACHEDIR" }, { "force-nocache", 0, 0, G_OPTION_ARG_NONE, &opt_force_nocache, "Always create a new OSTree commit, even if nothing appears to have changed", NULL }, { "repo", 'r', 0, G_OPTION_ARG_STRING, &opt_repo, "Path to OSTree repository", "REPO" }, { "add-override-pkg-repo", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_override_pkg_repos, "Include an additional package repository from DIRECTORY", "DIRECTORY" }, { "proxy", 0, 0, G_OPTION_ARG_STRING, &opt_proxy, "HTTP proxy", "PROXY" }, { "touch-if-changed", 0, 0, G_OPTION_ARG_STRING, &opt_touch_if_changed, "Update the modification time on FILE if a new commit was created", "FILE" }, { "print-only", 0, 0, G_OPTION_ARG_NONE, &opt_print_only, "Just expand any includes and print treefile", NULL }, { NULL } }; /* FIXME: This is a copy of ot_admin_checksum_version */ static char * checksum_version (GVariant *checksum) { gs_unref_variant GVariant *metadata = NULL; const char *ret = NULL; metadata = g_variant_get_child_value (checksum, 0); if (!g_variant_lookup (metadata, "version", "&s", &ret)) return NULL; return g_strdup (ret); } typedef struct { GPtrArray *treefile_context_dirs; GFile *workdir; int workdir_dfd; OstreeRepo *repo; char *previous_checksum; GBytes *serialized_treefile; } RpmOstreeTreeComposeContext; static int ptrarray_sort_compare_strings (gconstpointer ap, gconstpointer bp) { char **asp = (gpointer)ap; char **bsp = (gpointer)bp; return strcmp (*asp, *bsp); } static gboolean compute_checksum_from_treefile_and_goal (RpmOstreeTreeComposeContext *self, HyGoal goal, char **out_checksum, GError **error) { gboolean ret = FALSE; gs_free char *ret_checksum = NULL; GChecksum *checksum = g_checksum_new (G_CHECKSUM_SHA256); /* Hash in the raw treefile; this means reordering the input packages * or adding a comment will cause a recompose, but let's be conservative * here. */ { gsize len; const guint8* buf = g_bytes_get_data (self->serialized_treefile, &len); g_checksum_update (checksum, buf, len); } /* FIXME; we should also hash the post script */ /* Hash in each package */ { _cleanup_hypackagelist_ HyPackageList pkglist = NULL; HyPackage pkg; guint i; gs_unref_ptrarray GPtrArray *nevras = g_ptr_array_new_with_free_func (g_free); pkglist = hy_goal_list_installs (goal); FOR_PACKAGELIST(pkg, pkglist, i) { g_ptr_array_add (nevras, hy_package_get_nevra (pkg)); } g_ptr_array_sort (nevras, ptrarray_sort_compare_strings); for (i = 0; i < nevras->len; i++) { const char *nevra = nevras->pdata[i]; g_checksum_update (checksum, (guint8*)nevra, strlen (nevra)); } } ret_checksum = g_strdup (g_checksum_get_string (checksum)); ret = TRUE; gs_transfer_out_value (out_checksum, &ret_checksum); if (checksum) g_checksum_free (checksum); return ret; } static void on_hifstate_percentage_changed (HifState *hifstate, guint percentage, gpointer user_data) { const char *text = user_data; glnx_console_progress_text_percent (text, percentage); } static gboolean install_packages_in_root (RpmOstreeTreeComposeContext *self, JsonObject *treedata, GFile *yumroot, char **packages, gboolean *out_unmodified, char **out_new_inputhash, GCancellable *cancellable, GError **error) { gboolean ret = FALSE; guint progress_sigid; char **strviter; GFile *contextdir = self->treefile_context_dirs->pdata[0]; gs_unref_object HifContext *hifctx = NULL; gs_free char *cachedir = g_build_filename (gs_file_get_path_cached (self->workdir), "cache", NULL); gs_free char *solvdir = g_build_filename (gs_file_get_path_cached (self->workdir), "solv", NULL); gs_free char *lockdir = g_build_filename (gs_file_get_path_cached (self->workdir), "lock", NULL); gs_free char *ret_new_inputhash = NULL; hifctx = _rpmostree_libhif_get_default (); hif_context_set_install_root (hifctx, gs_file_get_path_cached (yumroot)); hif_context_set_cache_dir (hifctx, cachedir); hif_context_set_cache_age (hifctx, G_MAXUINT); hif_context_set_solv_dir (hifctx, solvdir); hif_context_set_lock_dir (hifctx, lockdir); hif_context_set_repo_dir (hifctx, gs_file_get_path_cached (contextdir)); { JsonNode *install_langs_n = json_object_get_member (treedata, "install-langs"); if (install_langs_n != NULL) { JsonArray *instlangs_a = json_node_get_array (install_langs_n); guint len = json_array_get_length (instlangs_a); guint i; GString *opt = g_string_new (""); for (i = 0; i < len; i++) { g_string_append (opt, json_array_get_string_element (instlangs_a, i)); if (i < len - 1) g_string_append_c (opt, ':'); } hif_context_set_rpm_macro (hifctx, "_install_langs", opt->str); g_string_free (opt, TRUE); } } if (!_rpmostree_libhif_setup (hifctx, cancellable, error)) goto out; /* Bind the json \"repos\" member to the hif state, which looks at the * enabled= member of the repos file. By default we forcibly enable * only repos which are specified, ignoring the enabled= flag. */ { JsonArray *enable_repos = NULL; gs_unref_hashtable GHashTable *repos_to_enable = g_hash_table_new (g_str_hash, g_str_equal); guint i; guint n; _rpmostree_libhif_repos_disable_all (hifctx); if (!json_object_has_member (treedata, "repos")) { g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Treefile is missing required \"repos\" member"); goto out; } enable_repos = json_object_get_array_member (treedata, "repos"); n = json_array_get_length (enable_repos); for (i = 0; i < n; i++) { const char *reponame = _rpmostree_jsonutil_array_require_string_element (enable_repos, i, error); if (!reponame) goto out; if (!_rpmostree_libhif_repos_enable_by_name (hifctx, reponame, error)) goto out; } } { gboolean docs = TRUE; if (!_rpmostree_jsonutil_object_get_optional_boolean_member (treedata, "documentation", &docs, error)) goto out; if (!docs) hif_transaction_set_flags (hif_context_get_transaction (hifctx), HIF_TRANSACTION_FLAG_NODOCS); } /* --- Downloading metadata --- */ { g_auto(GLnxConsoleRef) console = { 0, }; gs_unref_object HifState *hifstate = hif_state_new (); progress_sigid = g_signal_connect (hifstate, "percentage-changed", G_CALLBACK (on_hifstate_percentage_changed), "Downloading metadata:"); glnx_console_lock (&console); if (!hif_context_setup_sack (hifctx, hifstate, error)) goto out; g_signal_handler_disconnect (hifstate, progress_sigid); } for (strviter = packages; strviter && *strviter; strviter++) { if (!hif_context_install (hifctx, *strviter, error)) goto out; } /* --- Resolving dependencies --- */ { g_auto(GLnxConsoleRef) console = { 0, }; gs_unref_object HifState *hifstate = hif_state_new (); progress_sigid = g_signal_connect (hifstate, "percentage-changed", G_CALLBACK (on_hifstate_percentage_changed), "Resolving dependencies:"); glnx_console_lock (&console); if (!hif_transaction_depsolve (hif_context_get_transaction (hifctx), hif_context_get_goal (hifctx), hifstate, error)) goto out; g_signal_handler_disconnect (hifstate, progress_sigid); } if (!compute_checksum_from_treefile_and_goal (self, hif_context_get_goal (hifctx), &ret_new_inputhash, error)) goto out; /* Only look for previous checksum if caller has passed *out_unmodified */ if (self->previous_checksum && out_unmodified != NULL) { gs_unref_variant GVariant *commit_v = NULL; gs_unref_variant GVariant *commit_metadata = NULL; const char *previous_inputhash = NULL; if (!ostree_repo_load_variant (self->repo, OSTREE_OBJECT_TYPE_COMMIT, self->previous_checksum, &commit_v, error)) goto out; commit_metadata = g_variant_get_child_value (commit_v, 0); if (g_variant_lookup (commit_metadata, "rpmostree.inputhash", "&s", &previous_inputhash)) { if (strcmp (previous_inputhash, ret_new_inputhash) == 0) { *out_unmodified = TRUE; ret = TRUE; goto out; } } else g_print ("Previous commit found, but without rpmostree.inputhash metadata key\n"); } rpmostree_print_transaction (hifctx); /* --- Downloading packages --- */ { g_auto(GLnxConsoleRef) console = { 0, }; gs_unref_object HifState *hifstate = hif_state_new (); progress_sigid = g_signal_connect (hifstate, "percentage-changed", G_CALLBACK (on_hifstate_percentage_changed), "Downloading packages:"); glnx_console_lock (&console); if (!hif_transaction_download (hif_context_get_transaction (hifctx), hifstate, error)) goto out; g_signal_handler_disconnect (hifstate, progress_sigid); } { g_auto(GLnxConsoleRef) console = { 0, }; gs_unref_object HifState *hifstate = hif_state_new (); progress_sigid = g_signal_connect (hifstate, "percentage-changed", G_CALLBACK (on_hifstate_percentage_changed), "Installing packages:"); glnx_console_lock (&console); if (!hif_transaction_commit (hif_context_get_transaction (hifctx), hif_context_get_goal (hifctx), hifstate, error)) goto out; g_signal_handler_disconnect (hifstate, progress_sigid); } ret = TRUE; if (out_unmodified) *out_unmodified = FALSE; gs_transfer_out_value (out_new_inputhash, &ret_new_inputhash); out: return ret; } static gboolean process_includes (RpmOstreeTreeComposeContext *self, GFile *treefile_path, guint depth, JsonObject *root, GCancellable *cancellable, GError **error) { gboolean ret = FALSE; const char *include_path; const guint maxdepth = 50; if (depth > maxdepth) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Exceeded maximum include depth of %u", maxdepth); goto out; } { gs_unref_object GFile *parent = g_file_get_parent (treefile_path); gboolean existed = FALSE; if (self->treefile_context_dirs->len > 0) { GFile *prev = self->treefile_context_dirs->pdata[self->treefile_context_dirs->len-1]; if (g_file_equal (parent, prev)) existed = TRUE; } if (!existed) { g_ptr_array_add (self->treefile_context_dirs, parent); parent = NULL; /* Transfer ownership */ } } if (!_rpmostree_jsonutil_object_get_optional_string_member (root, "include", &include_path, error)) goto out; if (include_path) { gs_unref_object GFile *treefile_dirpath = g_file_get_parent (treefile_path); gs_unref_object GFile *parent_path = g_file_resolve_relative_path (treefile_dirpath, include_path); gs_unref_object JsonParser *parent_parser = json_parser_new (); JsonNode *parent_rootval; JsonObject *parent_root; GList *members; GList *iter; if (!json_parser_load_from_file (parent_parser, gs_file_get_path_cached (parent_path), error)) goto out; parent_rootval = json_parser_get_root (parent_parser); if (!JSON_NODE_HOLDS_OBJECT (parent_rootval)) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Treefile root is not an object"); goto out; } parent_root = json_node_get_object (parent_rootval); if (!process_includes (self, parent_path, depth + 1, parent_root, cancellable, error)) goto out; members = json_object_get_members (parent_root); for (iter = members; iter; iter = iter->next) { const char *name = iter->data; JsonNode *parent_val = json_object_get_member (parent_root, name); JsonNode *val = json_object_get_member (root, name); g_assert (parent_val); if (!val) json_object_set_member (root, name, json_node_copy (parent_val)); else { JsonNodeType parent_type = json_node_get_node_type (parent_val); JsonNodeType child_type = json_node_get_node_type (val); if (parent_type != child_type) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Conflicting element type of '%s'", name); goto out; } if (child_type == JSON_NODE_ARRAY) { JsonArray *parent_array = json_node_get_array (parent_val); JsonArray *child_array = json_node_get_array (val); JsonArray *new_child = json_array_new (); guint i, len; len = json_array_get_length (parent_array); for (i = 0; i < len; i++) json_array_add_element (new_child, json_node_copy (json_array_get_element (parent_array, i))); len = json_array_get_length (child_array); for (i = 0; i < len; i++) json_array_add_element (new_child, json_node_copy (json_array_get_element (child_array, i))); json_object_set_array_member (root, name, new_child); } } } json_object_remove_member (root, "include"); } ret = TRUE; out: return ret; } static gboolean parse_keyvalue_strings (char **strings, GVariantBuilder *builder, GError **error) { gboolean ret = FALSE; char **iter; for (iter = strings; *iter; iter++) { const char *s; const char *eq; gs_free char *key = NULL; s = *iter; eq = strchr (s, '='); if (!eq) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Missing '=' in KEY=VALUE metadata '%s'", s); goto out; } key = g_strndup (s, eq - s); g_variant_builder_add (builder, "{sv}", key, g_variant_new_string (eq + 1)); } ret = TRUE; out: return ret; } static gboolean compose_strv_contains_prefix (gchar **strv, const gchar *prefix) { if (!strv) return FALSE; while (*strv) { if (g_str_has_prefix (*strv, prefix)) return TRUE; ++strv; } return FALSE; } int rpmostree_compose_builtin_tree (int argc, char **argv, GCancellable *cancellable, GError **error) { int exit_status = EXIT_FAILURE; GError *temp_error = NULL; GOptionContext *context = g_option_context_new ("TREEFILE - Run yum and commit the result to an OSTree repository"); const char *ref; RpmOstreeTreeComposeContext selfdata = { NULL, }; RpmOstreeTreeComposeContext *self = &selfdata; JsonNode *treefile_rootval = NULL; JsonObject *treefile = NULL; gs_free char *cachekey = NULL; gs_free char *new_inputhash = NULL; gs_unref_object GFile *cachedir = NULL; gs_unref_object GFile *previous_root = NULL; gs_free char *previous_checksum = NULL; gs_unref_object GFile *yumroot = NULL; gs_unref_object GFile *yumroot_varcache = NULL; gs_unref_object OstreeRepo *repo = NULL; gs_unref_ptrarray GPtrArray *bootstrap_packages = NULL; gs_unref_ptrarray GPtrArray *packages = NULL; gs_unref_object GFile *treefile_path = NULL; gs_unref_object GFile *treefile_dirpath = NULL; gs_unref_object GFile *repo_path = NULL; gs_unref_object JsonParser *treefile_parser = NULL; gs_unref_variant_builder GVariantBuilder *metadata_builder = g_variant_builder_new (G_VARIANT_TYPE ("a{sv}")); gboolean workdir_is_tmp = FALSE; self->treefile_context_dirs = g_ptr_array_new_with_free_func ((GDestroyNotify)g_object_unref); if (!rpmostree_option_context_parse (context, option_entries, &argc, &argv, RPM_OSTREE_BUILTIN_FLAG_LOCAL_CMD, cancellable, NULL, error)) goto out; if (argc < 2) { rpmostree_usage_error (context, "TREEFILE must be specified", error); goto out; } if (!opt_repo) { rpmostree_usage_error (context, "--repo must be specified", error); goto out; } if (getuid () != 0) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "compose tree must presently be run as uid 0 (root)"); goto out; } repo_path = g_file_new_for_path (opt_repo); repo = self->repo = ostree_repo_new (repo_path); if (!ostree_repo_open (repo, cancellable, error)) goto out; treefile_path = g_file_new_for_path (argv[1]); if (opt_workdir) { self->workdir = g_file_new_for_path (opt_workdir); } else { gs_free char *tmpd = NULL; if (!rpmostree_mkdtemp ("/var/tmp/rpm-ostree.XXXXXX", &tmpd, NULL, error)) goto out; self->workdir = g_file_new_for_path (tmpd); workdir_is_tmp = TRUE; if (opt_workdir_tmpfs) { if (mount ("tmpfs", tmpd, "tmpfs", 0, (const void*)"mode=755") != 0) { _rpmostree_set_prefix_error_from_errno (error, errno, "mount(tmpfs): "); goto out; } } } if (!glnx_opendirat (AT_FDCWD, gs_file_get_path_cached (self->workdir), FALSE, &self->workdir_dfd, error)) goto out; if (opt_cachedir) { cachedir = g_file_new_for_path (opt_cachedir); if (!gs_file_ensure_directory (cachedir, FALSE, cancellable, error)) goto out; } if (opt_metadata_strings) { if (!parse_keyvalue_strings (opt_metadata_strings, metadata_builder, error)) goto out; } if (fchdir (self->workdir_dfd) != 0) { glnx_set_error_from_errno (error); goto out; } treefile_parser = json_parser_new (); if (!json_parser_load_from_file (treefile_parser, gs_file_get_path_cached (treefile_path), error)) goto out; treefile_rootval = json_parser_get_root (treefile_parser); if (!JSON_NODE_HOLDS_OBJECT (treefile_rootval)) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Treefile root is not an object"); goto out; } treefile = json_node_get_object (treefile_rootval); if (!process_includes (self, treefile_path, 0, treefile, cancellable, error)) goto out; if (opt_print_only) { gs_unref_object JsonGenerator *generator = json_generator_new (); gs_unref_object GOutputStream *stdout = g_unix_output_stream_new (1, FALSE); json_generator_set_pretty (generator, TRUE); json_generator_set_root (generator, treefile_rootval); (void) json_generator_to_stream (generator, stdout, NULL, NULL); exit_status = EXIT_SUCCESS; goto out; } ref = _rpmostree_jsonutil_object_require_string_member (treefile, "ref", error); if (!ref) goto out; if (!ostree_repo_read_commit (repo, ref, &previous_root, &previous_checksum, cancellable, &temp_error)) { if (g_error_matches (temp_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND)) { g_clear_error (&temp_error); g_print ("No previous commit for %s\n", ref); } else { g_propagate_error (error, temp_error); goto out; } } else g_print ("Previous commit: %s\n", previous_checksum); self->previous_checksum = previous_checksum; yumroot = g_file_get_child (self->workdir, "rootfs.tmp"); if (!glnx_shutil_rm_rf_at (self->workdir_dfd, "rootfs.tmp", cancellable, error)) goto out; if (json_object_has_member (treefile, "automatic_version_prefix") && !compose_strv_contains_prefix (opt_metadata_strings, "version=")) { gs_unref_variant GVariant *variant = NULL; gs_free char *last_version = NULL; gs_free char *next_version = NULL; const char *ver_prefix; ver_prefix = _rpmostree_jsonutil_object_require_string_member (treefile, "automatic_version_prefix", error); if (!ver_prefix) goto out; if (previous_checksum) { if (!ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_COMMIT, previous_checksum, &variant, error)) goto out; last_version = checksum_version (variant); } next_version = _rpmostree_util_next_version (ver_prefix, last_version); g_variant_builder_add (metadata_builder, "{sv}", "version", g_variant_new_string (next_version)); } bootstrap_packages = g_ptr_array_new (); packages = g_ptr_array_new (); if (json_object_has_member (treefile, "bootstrap_packages")) { if (!_rpmostree_jsonutil_append_string_array_to (treefile, "bootstrap_packages", packages, error)) goto out; } if (!_rpmostree_jsonutil_append_string_array_to (treefile, "packages", packages, error)) goto out; g_ptr_array_add (packages, NULL); { gs_unref_object JsonGenerator *generator = json_generator_new (); char *treefile_buf = NULL; gsize len; json_generator_set_root (generator, treefile_rootval); json_generator_set_pretty (generator, TRUE); treefile_buf = json_generator_to_data (generator, &len); self->serialized_treefile = g_bytes_new_take (treefile_buf, len); } treefile_dirpath = g_file_get_parent (treefile_path); if (TRUE) { gboolean generate_from_previous = TRUE; if (!_rpmostree_jsonutil_object_get_optional_boolean_member (treefile, "preserve-passwd", &generate_from_previous, error)) goto out; if (generate_from_previous) { if (!rpmostree_generate_passwd_from_previous (repo, yumroot, treefile_dirpath, previous_root, treefile, cancellable, error)) goto out; } } { gboolean unmodified = FALSE; if (!install_packages_in_root (self, treefile, yumroot, (char**)packages->pdata, opt_force_nocache ? NULL : &unmodified, &new_inputhash, cancellable, error)) goto out; if (unmodified) { g_print ("No apparent changes since previous commit; use --force-nocache to override\n"); exit_status = EXIT_SUCCESS; goto out; } } if (g_strcmp0 (g_getenv ("RPM_OSTREE_BREAK"), "post-yum") == 0) goto out; if (!rpmostree_treefile_postprocessing (yumroot, self->treefile_context_dirs->pdata[0], self->serialized_treefile, treefile, cancellable, error)) goto out; if (!rpmostree_prepare_rootfs_for_commit (yumroot, treefile, cancellable, error)) goto out; if (!rpmostree_check_passwd (repo, yumroot, treefile_dirpath, treefile, cancellable, error)) goto out; if (!rpmostree_check_groups (repo, yumroot, treefile_dirpath, treefile, cancellable, error)) goto out; { const char *gpgkey; gboolean selinux = TRUE; gs_unref_variant GVariant *metadata = NULL; g_variant_builder_add (metadata_builder, "{sv}", "rpmostree.inputhash", g_variant_new_string (new_inputhash)); metadata = g_variant_ref_sink (g_variant_builder_end (metadata_builder)); if (!_rpmostree_jsonutil_object_get_optional_string_member (treefile, "gpg_key", &gpgkey, error)) goto out; if (!_rpmostree_jsonutil_object_get_optional_boolean_member (treefile, "selinux", &selinux, error)) goto out; if (!rpmostree_commit (yumroot, repo, ref, metadata, gpgkey, selinux, cancellable, error)) goto out; } if (opt_touch_if_changed) { gs_fd_close int fd = open (opt_touch_if_changed, O_CREAT|O_WRONLY|O_NOCTTY, 0644); if (fd == -1) { gs_set_error_from_errno (error, errno); g_prefix_error (error, "Updating '%s': ", opt_touch_if_changed); goto out; } if (futimens (fd, NULL) == -1) { gs_set_error_from_errno (error, errno); goto out; } } exit_status = EXIT_SUCCESS; out: /* Move back out of the workding directory to ensure unmount works */ (void )chdir ("/"); if (self->workdir_dfd != -1) (void) close (self->workdir_dfd); if (workdir_is_tmp) { if (opt_workdir_tmpfs) if (umount (gs_file_get_path_cached (self->workdir)) != 0) { fprintf (stderr, "warning: umount failed: %m\n"); } (void) gs_shutil_rm_rf (self->workdir, NULL, NULL); } if (self) { g_clear_object (&self->workdir); g_clear_pointer (&self->serialized_treefile, g_bytes_unref); g_ptr_array_unref (self->treefile_context_dirs); } return exit_status; }