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+# Copyright (C) 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/>.
+
+help: |
+ A Baserock configuration extension for removing static device nodes.
+
+ Parameters:
+
+ STRIP_DEVICE_NODES=<1|0>: whether to strip device nodes
+
+ This extension is a workaround for a flaw in the Baserock reference systems.
+ They still contain statically created device nodes, which is not useful any
+ more for Linux systems due to the existance of the 'devtmpfs' filesystem.
+ The 'devtmpfs' filesystem creates device nodes automatically at run time.
+
+ Static device nodes are deliberately not supported by the OSTree tool, so this
+ .configure extension is needed to use the Baserock reference systems with the
+ ostree.write deployment extension.