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+#-*- coding: utf-8 -*-
+# Copyright © 2015 Codethink Limited
+# 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; version 2 of the License.
+# 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/>.
+ Creates a system produced by Morph build with a jffs2 filesystem and then
+ writes to an image. To use this extension, the host system must have access
+ to mkfs.jffs2 which is provided in the mtd-utilities.morph stratum.
+ * location: the pathname of the disk image to be created/upgraded, or the
+ path to the physical device.
+ * ERASE_BLOCK: the erase block size of the target system, which can be
+ found in '/sys/class/mtd/mtdx/erasesize'