forked from Mirrors/flatpak-builder
215 lines
7.9 KiB
C
215 lines
7.9 KiB
C
/*
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* Copyright © 2014 Red Hat, Inc
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*
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* This program 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, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Alexander Larsson <alexl@redhat.com>
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*/
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#include "config.h"
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#include <locale.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "libgsystem.h"
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#include "libglnx/libglnx.h"
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#include "xdg-app-builtins.h"
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#include "xdg-app-utils.h"
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static char *opt_title;
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static char *opt_gpg_homedir;
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static char **opt_gpg_key_ids;
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static gboolean opt_prune;
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static gboolean opt_generate_deltas;
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static gint opt_prune_depth = -1;
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static GOptionEntry options[] = {
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{ "title", 0, 0, G_OPTION_ARG_STRING, &opt_title, "A nice name to use for this repository", "TITLE" },
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{ "gpg-sign", 0, 0, G_OPTION_ARG_STRING_ARRAY, &opt_gpg_key_ids, "GPG Key ID to sign the summary with", "KEY-ID"},
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{ "gpg-homedir", 0, 0, G_OPTION_ARG_STRING, &opt_gpg_homedir, "GPG Homedir to use when looking for keyrings", "HOMEDIR"},
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{ "generate-static-deltas", 0, 0, G_OPTION_ARG_NONE, &opt_generate_deltas, "Generate delta files", NULL },
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{ "prune", 0, 0, G_OPTION_ARG_NONE, &opt_prune, "Prune unused objects", NULL },
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{ "prune-depth", 0, 0, G_OPTION_ARG_INT, &opt_prune_depth, "Only traverse DEPTH parents for each commit (default: -1=infinite)", "DEPTH" },
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{ NULL }
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};
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gboolean
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xdg_app_builtin_build_update_repo (int argc, char **argv,
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GCancellable *cancellable, GError **error)
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{
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g_autoptr(GOptionContext) context = NULL;
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g_autoptr(GFile) repofile = NULL;
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g_autoptr(OstreeRepo) repo = NULL;
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const char *location;
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g_autoptr(GError) my_error = NULL;
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context = g_option_context_new ("LOCATION - Update repository metadata");
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if (!xdg_app_option_context_parse (context, options, &argc, &argv, XDG_APP_BUILTIN_FLAG_NO_DIR, NULL, cancellable, error))
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return FALSE;
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if (argc < 2)
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return usage_error (context, "LOCATION must be specified", error);
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location = argv[1];
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repofile = g_file_new_for_commandline_arg (location);
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repo = ostree_repo_new (repofile);
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if (!ostree_repo_open (repo, cancellable, error))
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return FALSE;
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if (opt_title &&
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!xdg_app_repo_set_title (repo, opt_title, error))
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return FALSE;
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g_print ("Updating appstream branch\n");
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if (!xdg_app_repo_generate_appstream (repo, (const char **)opt_gpg_key_ids, opt_gpg_homedir, cancellable, &my_error))
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{
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if (g_error_matches (my_error, G_SPAWN_ERROR, G_SPAWN_ERROR_NOENT))
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g_print ("WARNING: Can't find appstream-builder, unable to update appstream branch\n");
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else
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{
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g_propagate_error (error, g_steal_pointer (&my_error));
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return FALSE;
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}
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}
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if (opt_generate_deltas)
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{
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g_autoptr(GHashTable) all_refs = NULL;
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g_autoptr(GHashTable) all_deltas_hash = NULL;
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g_autoptr(GPtrArray) all_deltas = NULL;
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int i;
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GHashTableIter iter;
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gpointer key, value;
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g_autoptr(GVariantBuilder) parambuilder = NULL;
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g_autoptr(GVariant) params = NULL;
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parambuilder = g_variant_builder_new (G_VARIANT_TYPE ("a{sv}"));
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/* Fall back for 1 meg files */
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g_variant_builder_add (parambuilder, "{sv}",
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"min-fallback-size", g_variant_new_uint32 (1));
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g_variant_builder_add (parambuilder, "{sv}", "verbose",
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g_variant_new_boolean (TRUE));
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params = g_variant_ref_sink (g_variant_builder_end (parambuilder));
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if (!ostree_repo_list_static_delta_names (repo, &all_deltas,
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cancellable, error))
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return FALSE;
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all_deltas_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
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for (i = 0; i < all_deltas->len; i++)
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{
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g_print ("adding %s\n", (char *)g_ptr_array_index (all_deltas, i));
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g_hash_table_insert (all_deltas_hash,
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g_strdup (g_ptr_array_index (all_deltas, i)),
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NULL);
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}
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if (!ostree_repo_list_refs (repo, NULL, &all_refs,
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cancellable, error))
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return FALSE;
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g_hash_table_iter_init (&iter, all_refs);
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while (g_hash_table_iter_next (&iter, &key, &value))
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{
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const char *ref = key;
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const char *commit = value;
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const char *from_parent = NULL;
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g_autoptr(GVariant) variant = NULL;
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g_autoptr(GVariant) parent_variant = NULL;
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g_autofree char *parent_commit = NULL;
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if (!ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_COMMIT, commit,
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&variant, NULL))
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return FALSE;
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parent_commit = ostree_commit_get_parent (variant);
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if (parent_commit != NULL)
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ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_COMMIT, parent_commit,
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&parent_variant, NULL);
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/* From empty */
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g_print ("looking for %s\n", commit);
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if (!g_hash_table_contains (all_deltas_hash, commit))
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{
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g_print ("Generating from-empty delta for %s (%s)\n", ref, commit);
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if (!ostree_repo_static_delta_generate (repo, OSTREE_STATIC_DELTA_GENERATE_OPT_MAJOR,
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NULL, commit, NULL,
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params,
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cancellable, error))
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return FALSE;
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}
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/* Mark this one as wanted */
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g_hash_table_insert (all_deltas_hash, g_strdup (commit), GINT_TO_POINTER(1));
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/* From parent */
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if (parent_variant != NULL)
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{
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from_parent = g_strdup_printf ("%s-%s", parent_commit, commit);
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if (!g_hash_table_contains (all_deltas_hash, from_parent))
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{
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g_print ("Generating from-parent delta for %s (%s)\n", ref, from_parent);
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if (!ostree_repo_static_delta_generate (repo, OSTREE_STATIC_DELTA_GENERATE_OPT_MAJOR,
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parent_commit, commit, NULL,
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params,
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cancellable, error))
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return FALSE;
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}
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/* Mark this one as wanted */
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g_hash_table_insert (all_deltas_hash, g_strdup (from_parent), GINT_TO_POINTER(1));
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}
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}
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}
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g_print ("Updating summary\n");
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if (!xdg_app_repo_update (repo, (const char **)opt_gpg_key_ids, opt_gpg_homedir, cancellable, error))
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return FALSE;
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if (opt_prune)
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{
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gint n_objects_total;
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gint n_objects_pruned;
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guint64 objsize_total;
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g_autofree char *formatted_freed_size = NULL;
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if (!ostree_repo_prune (repo, OSTREE_REPO_PRUNE_FLAGS_REFS_ONLY, opt_prune_depth,
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&n_objects_total, &n_objects_pruned, &objsize_total,
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cancellable, error))
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return FALSE;
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formatted_freed_size = g_format_size_full (objsize_total, 0);
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g_print ("Total objects: %u\n", n_objects_total);
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if (n_objects_pruned == 0)
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g_print ("No unreachable objects\n");
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else
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g_print ("Deleted %u objects, %s freed\n",
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n_objects_pruned, formatted_freed_size);
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}
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return TRUE;
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}
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