close rear#75

press 'y' to continue or wait for the timeout (defaults to 30 seconds).
This was written on explicit demand of the operators who are nervous while doing DP restores and hitting too much on the keyboard ;-)
As a result, sometimes nothing was restored if the GUI script came along (as a keypress quits the script)

usr/share/rear/restore/DP/default/46_press_y_to_continue.sh

@@ -0,0 +1,18 @@
+c_esc="\033"
+Left () {
+   echo -ne ${c_esc}[${1}D
+}
+
+unset REPLY
+echo -ne "Press \"y\" to continue or wait for timeout [30 secs]: "
+while true
+do
+    read -t 30 -r -n 1
+    rc=$?
+    (( $rc == 142 )) && break
+    case $REPLY in
+        y|Y) break ;;
+        *) Left 1 ; continue ;;
+    esac
+done
+echo