bash/rvm in rvm-0.0.7 vs bash/rvm in rvm-0.0.8

@@ -1,11 +1,11 @@
 #!/bin/bash
 
 rvm_author="Wayne E. Seguin"
 rvm_author_email="[e-mail]"
 rvm_website="http://github.com/wayneeseguin/rvm"
-rvm_version="0.0.7"
+rvm_version="0.0.8"
 rvm_updated="2009.08.25"
 
 #
 # License: See LICENSE
 #
@@ -143,11 +143,10 @@
     1.8|1.8.6) major="1.8" ; minor="6" ; level="${2-369}" ;;
         1.8.7) major="1.8" ; minor="7" ; level="${2-174}" ;;
     *) fail "Ruby version '$version' is unknown."
   esac
 
-  set -x
   package_name="ruby-$major.$minor-p$level"
   url="ftp://ftp.ruby-lang.org/pub/ruby/$major/$package_name.tar.gz"
  
   info "Installing Ruby from source to: $install_path/$package_name"
   mkdir -p $install_path/$package_name
@@ -192,12 +191,10 @@
 
   for gem_name in rake ; do
     info "Installing $gem_name"
     $install_path/$package_name/bin/gem install $gem_name --no-rdoc --no-ri -q >> $install_path/$package_name/gems.install.log
   done
-
-  set +x
 }
 
 function rvm-install-ruby {
 
   case "$implementation" in
@@ -295,16 +292,18 @@
 
 }
 
 function rvm-use {
 
+  implementation="${1-$implementation}"
   case "$implementation" in
 
     default)
       rm -f ~/.rvm/current
       unset MY_RUBY_HOME
       unset GEM_HOME
+      unset RUBY_VERSION
     ;;
     #leopard) MY_RUBY_HOME="/System/Library/Frameworks/Ruby.framework/Versions/Current/usr"; GEM_HOME="$HOME/.gem/ruby/1.8" ;;
 
     jruby)
       version="${version-1.3.1}"
@@ -522,11 +521,11 @@
       -p|--prefix)     install_path="$1" ; shift               ;;  
       -s|--source)     source_path="$1"  ; shift               ;; # Undocumented / untested "feature"
       -c|--configure)  configure="$1"    ; shift               ;;
       -m|--manager)    manager="$1"      ; shift               ;;
       -u|--gemdup)     action="gemdup" ; gem_dir="$1" ; shift  ;;
-      -d|--debug)      debug=true                              ;;
+      -d|--debug)      debug=1                                 ;;
       *)               rvm-usage ; return 1
     esac 
   done 
   
   if [ -z "$implementation" -a -z "$version" ] ; then 
@@ -536,27 +535,30 @@
   fi
   username=`whoami`
 
   # TODO: Sanitize user input, ensure that there is a / a the end...
   if [ "$username" = "root" ] ; then 
-    prefix_path=${prefix-/usr/local/}
+    fail "root user support is not yet implemented."
+    #prefix_path=${prefix-/usr/local/}
   else
     prefix_path=${prefix-$HOME/.}
   fi
   source_path="${source_path-${prefix_path}rvm/src}"
   install_path="${prefix_path}rvm"
   
-  mkdir -p $source_path $install_path
+  mkdir -p ~/.rvm/ $source_path $install_path
 
   if [ -f ~/.rvm/original_path ] ; then
     original_path=`cat ~/.rvm/original_path`
   fi
   if [ -z "$original_path" ] ; then 
     echo $PATH > $install_path/.original_path
     original_path=$PATH
   fi
 
+  if [ "$debug" = "1" ] ; then set -x ; fi
+
   case "$action" in
     install) 
       if [ "$implementation" = "all" ] ; then 
         for implementation in ruby jruby ree ; do
           if [ "$implementation" = "ruby" ] ; then
@@ -592,8 +594,10 @@
              else
                rvm-usage 
              fi
              return 1
   esac
+
+  set +x
 
 }