allow failing cat on optional parameter

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>

conf/type/__rvm_gemset/gencode-remote

@@ -23,7 +23,7 @@ ruby="$(echo "$gemset" | cut -d '@' -f 1)"
 gemsetname="$(echo "$gemset" | cut -d '@' -f 2)"
 state_is="$(cat "$__object/explorer/state")"
 user="$(cat "$__object/parameter/user")"
-default="$(cat "$__object/parameter/default")"
+default="$(cat "$__object/parameter/default" 2>/dev/null || true)"
 state_should="$(cat "$__object/parameter/state")"
 if [ "$state_is" != "$state_should" ]; then
    case "$state_should" in

conf/type/__rvm_ruby/gencode-remote

@@ -21,8 +21,9 @@
 ruby="$__object_id"
 state_is="$(cat "$__object/explorer/state")"
 user="$(cat "$__object/parameter/user")"
-default="$(cat "$__object/parameter/default")"
+default="$(cat "$__object/parameter/default" 2>/dev/null || true)"
 state_should="$(cat "$__object/parameter/state")"
+
 if [ "$state_is" != "$state_should" ]; then
    case "$state_should" in
       present)