entrance: add xephyr script

utils/entrance_xephyr.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+DPI=${DPI:-142}
+SCREEN=${SCREEN:-640x480}
+VALGRIND=${VALGRIND:-0}
+GDB=${GDB:-0}
+
+while [ $# -gt 0 ]; do
+   case $1 in
+      -g|--gdb)
+         GDB=1
+         ;;
+      -v|--valgrind)
+         VALGRIND=1
+         ;;
+    esac
+    shift
+done
+
+
+#rm -f ~/.Xauthority
+Xephyr :1 -nolisten tcp -noreset -ac -br -dpi $DPI -screen $SCREEN &
+sleep 1
+if [ $GDB -eq 1 ]
+then
+   gdb --args entrance -x
+elif [ $VALGRIND -eq 1 ]
+then
+   valgrind --leak-check=full entrance -x
+else
+   entrance -x
+fi
+