Merge remote branch 'origin/set-warning'

scripts/set

@@ -7,9 +7,6 @@ if [[ -z "$1" ]] ; then
   exit 1
 fi
 
-action="$1" ; shift
-args="$*"
-
 __rvm_attempt_single_exec() {
   # Return if we have multiple rubies. or we're not running exec.
   local ruby_string_lines="$(printf "$rvm_ruby_strings" | wc -l | __rvm_strip)"
@@ -160,6 +157,16 @@ __rvm_json() {
 
 rubies=() ; successes=() ; errors=() ; statuses=()
 
+
+action="$1";
+[[ "$#" -gt 0 ]] && shift
+args="$*"
+
+if [[ "$action" == "ruby" ]] && echo "$args" | grep -q  "^'--[^[:space:]]*'$" ; then
+  $rvm_scripts_path/log "warn" "You called rvm ruby with the arguments $args which look like use options."
+  $rvm_scripts_path/log "warn" "Please note that 'rvm ruby' invokes set operations instead."
+fi
+
 rvm_ruby_strings="$(__rvm_expand_ruby_string "$rvm_ruby_strings")"
 
 # Check for a single ruby && exec if present.