package in rvm-1.0.6

- old
+ new

@@ -5,12 +5,12 @@
 rvm_base_except="selector"
 source "$rvm_scripts_path/base"
 
 # Tools to make managing ruby dependencies inside of rvm easier.
 args=($*)
-action="${args[0]}"
-library="${args[1]}"
+action="${args[0]:-""}"
+library="${args[1]:-""}"
 args="$(echo ${args[@]:2})"
 
 install_package() {
 
   __rvm_db "${package}_url" "package_url"
@@ -189,15 +189,18 @@
       sudo env UNIVERSAL=1 UNIVERSAL_ARCH="i386 x86_64" ENABLE_OPTIMIZED=1 make install
     fi
   )
 }
 
-if [[ ! -z "$library" ]] ; then
-  if [[ " readline iconv curl openssl zlib autoconf ncurses pkgconfig gettext glib mono llvm libxml2 " =~ "$library" ]] ; then
-    ${library}
-  else
-    "$rvm_scripts_path/log" "error" "Package '${library}' is unknown."
-  fi
+if [[ -n "$library" ]] ; then
+  case $library in
+    readline|iconv|curl|openssl|zlib|autoconf|ncurses|pkgconfig|gettext|glib|mono|llvm|libxml2)
+      ${library}
+    ;;
+    *)
+      "$rvm_scripts_path/log" "error" "Package '${library}' is unknown."
+    ;;
+  esac
 else
   "$rvm_scripts_path/log" "info" "Usage: 'rvm package {install,uninstall} {readline,iconv,curl,openssl,zlib,autoconf,ncurses,pkgconfig,gettext,glib,mono,llvm,libxml2}'"
   exit 1
 fi
 