alias in rvm-1.0.3

- old
+ new

@@ -45,20 +45,25 @@
 }
 
 delete_alias() {
   echo "Deleting alias: $alias_name"
   for link in "$rvm_rubies_path/$alias_name" ; do
-    if [[ -L "$link" ]] ; then \rm -f $link ; fi
+    if [[ -L "$link" ]] ; then rm -f $link ; fi
   done
   "$rvm_scripts_path"/db "$rvm_config_path/alias" "$alias_name" "delete"
 }
 
 create_alias() {
+  rvm_environment_identifier="${rvm_environment_identifier:-""}"
+  alias_name="${alias_name:-""}"
+  rvm_ruby_string="${rvm_ruby_string:-""}"
+
   if alias_conflicts_with_ruby "$alias_name"; then
     # Force it to an empty alias name to trigger the usage.
     alias_name=""
   fi
+
   if [[ -z "$rvm_environment_identifier" ]] || [[ -z "$alias_name" ]] ; then
     "$rvm_scripts_path"/log "error" "usage: 'rvm alias [alias_name] [ruby_string]'"
     result=1
   else
     if [[ -z "$rvm_alias" ]] ; then
@@ -98,14 +103,17 @@
       echo "$(basename "$item") => $("$rvm_scripts_path"/db "$rvm_config_path/alias" "$(basename "$item")")"
     fi
   done; unset item
 }
 
-action="$1"
-alias_name="$2"
-rvm_environment_identifier="$3"
-if [[ ! -f "$rvm_config_path/alias" ]] ; then \touch "$rvm_config_path/alias" ; fi
-if printf "$alias_name" | \grep -q "$rvm_gemset_separator" ; then
+args=($*)
+action="${args[0]}"
+alias_name="${args[1]}"
+rvm_environment_identifier="${args[2]}"
+args="$(echo ${args[@]:3}) " # Strip trailing / leading / extra spacing.
+
+if [[ ! -f "$rvm_config_path/alias" ]] ; then touch "$rvm_config_path/alias" ; fi
+if printf "$alias_name" | grep -q "$rvm_gemset_separator" ; then
   gemset_name="${alias_name/*${rvm_gemset_separator}/}"
   alias_name="${alias_name/${rvm_gemset_separator}*/}"
 fi
 if [[ ! -z "$alias_name" ]] ; then
   rvm_alias="$("$rvm_scripts_path"/db "$rvm_config_path/alias" "$alias_name")"