Merge pull request #12 from soburi/west_wrapper

Run west command on initialized directory

Author: soburi

system/support/west_wrap.sh

@@ -1,3 +1,19 @@
 #!/bin/bash
-cd `dirname $0`
+
+PREV=$0
+ZBASE=${ZEPHYR_BASE}
+ERR=0
+
+for ARG in $*; do
+	if [ "$PREV" == "-z" ] ; then
+		ZBASE=$ARG
+	fi
+	PREV=$ARG
+done
+
+pushd "$ZBASE"
 west $*
+ERR=$?
+popd >/dev/null
+
+exit $ERR