file-roller/file-roller-extract-sparse-file.patch

diff --git a/src/fr-archive-libarchive.c b/src/fr-archive-libarchive.c
index 9a11e45..83b9ade 100644
--- a/src/fr-archive-libarchive.c
+++ b/src/fr-archive-libarchive.c
@@ -582,7 +582,7 @@ extract_archive_thread (GSimpleAsyncResult *result,
 		const char    *relative_path;
 		GFile         *file;
 		GFile         *parent;
-		GOutputStream *ostream;
+		struct archive *ext;
 		const void    *buffer;
 		size_t         buffer_size;
 		int64_t        offset;
@@ -777,16 +777,21 @@ extract_archive_thread (GSimpleAsyncResult *result,
 				break;
 
 			case AE_IFREG:
-				ostream = (GOutputStream *) g_file_replace (file, NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION, cancellable, &load_data->error);
-				if (ostream == NULL)
+				ext = archive_write_disk_new();
+				if (ext == NULL)
 					break;
+				archive_write_disk_set_options(ext, ARCHIVE_EXTRACT_TIME|ARCHIVE_EXTRACT_PERM|ARCHIVE_EXTRACT_ACL|ARCHIVE_EXTRACT_FFLAGS);
+				archive_write_disk_set_standard_lookup(ext);
+				archive_entry_set_pathname(entry, g_file_get_path(file));
+				archive_write_header(ext, entry);
 
 				while ((r = archive_read_data_block (a, &buffer, &buffer_size, &offset)) == ARCHIVE_OK) {
-					if (g_output_stream_write (ostream, buffer, buffer_size, cancellable, &load_data->error) == -1)
+					if ((r = archive_write_data_block(ext, buffer, buffer_size, offset)) < ARCHIVE_OK)
 						break;
 					fr_archive_progress_inc_completed_bytes (load_data->archive, buffer_size);
 				}
-				_g_object_unref (ostream);
+				archive_write_close(ext);
+				archive_write_free (ext);
 
 				if (r != ARCHIVE_EOF)
 					load_data->error = _g_error_new_from_archive_error (archive_error_string (a));