Put the deployment extensions from morphlib in definitions

This merge commit merges the deployment extensions and all relevant
history from morphlib into definitions.

1 files changed, 23 insertions, 0 deletions

diff --git a/sysroot.check b/sysroot.check
new file mode 100755
index 00000000..71b35175
--- /dev/null
+++ b/sysroot.check
@@ -0,0 +1,23 @@
+#!/bin/sh
+# 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/>.
+
+# Preparatory checks for Morph 'sysroot' write extension
+
+set -eu
+
+if [ "$UPGRADE" == "yes" ]; then
+    echo >&2 "ERROR: Cannot upgrade a sysroot deployment"
+    exit 1
+fi