esu: add support for quoted args (with spaces)

bin/esu

@@ -74,11 +74,30 @@ fi
 
 set_pm_type
 
+
+escape_args()
+{
+    local output=''
+    while [ -n "$1" ] ; do
+        if has_space "$1" ; then
+            [ -n "$output" ] && output="$output '$1'" || output="'$1'"
+        else
+            [ -n "$output" ] && output="$output $1" || output="$1"
+        fi
+        shift
+    done
+    echo "$output"
+}
+
+escaped="$(escape_args "$@")"
+
+
 # sudo is not accessible, will ask root password
 if ! set_sudo ; then
     #info "Enter root password:"
     if [ -n "$*" ] ; then
-        exec su - -c "$@"
+        [ -n "$quiet" ] || showcmd "su - -c $escaped"
+        exec su - -c "$escaped"
     else
         # just shell
         showcmd "su -"
@@ -88,8 +107,8 @@ fi
 
 #info "You can be asked about your password:"
 if [ -n "$*" ] ; then
-    [ -n "$quiet" ] || showcmd "$SUDO su - -c $*"
-    $SUDO su - -c "$@"
+    [ -n "$quiet" ] || showcmd "$SUDO su - -c $escaped"
+    $SUDO su - -c "$escaped"
 else
     showcmd "$SUDO su -"
     $SUDO su -