scripts/rubygems in rvm-1.0.1 vs scripts/rubygems in rvm-1.0.2

@@ -7,32 +7,32 @@
 __rvm_become
 
 rubygems_setup() {
   __rvm_warn_on_rubyopt
   unset RUBYOPT
-  if [[ ! -z "$(echo $rvm_ruby_version | awk '/^1\.9/')" ]] || [[ ! -z "$(echo $rvm_ruby_interpreter | awk '/^mput/')" ]] ; then
+  if [[ ! -z "$(echo "$rvm_ruby_version" | awk '/^1\.9/')" ]] || [[ ! -z "$(echo $rvm_ruby_interpreter | awk '/^mput/')" ]] ; then
     install=0
   elif [[ "$rvm_ruby_string" = "ruby-head" ]] ; then
     install=0
   elif [[ -n "$(echo "$rvm_ruby_string" | awk '/^rbx|jruby|rubinius/')" ]]; then
     install=0
   else
     install=1
   fi
 
   if [[ "$install" -eq 0 ]] ; then
-    $rvm_scripts_path/log "error" "Cannot switch to ${version} for this interpreter."
+    "$rvm_scripts_path/log" "error" "Cannot switch to ${version} for this interpreter."
     exit 1
   else
-    $rvm_scripts_path/log "info" "Removing old Rubygems files..."
+    "$rvm_scripts_path/log" "info" "Removing old Rubygems files..."
     rubygems_dir="$(ruby -rrbconfig -e "puts Config::CONFIG.values_at('sitelibdir','vendorlibdir').detect {|path| File.directory?(File.join(path, 'rubygems')) }.to_s")"
     if [[ -n "$rubygems_dir" && -d "$rubygems_dir" ]]; then
       # Remove common files installed by ruby gems.
       \rm -rf "${rubygems_dir}/ubygems.rb" "${rubygems_dir}/rubygems.rb" "${rubygems_dir}/rubygems" "${rubygems_dir}/gauntlet_rubygems.rb"
     fi
 
-    $rvm_scripts_path/log "info" "Installing rubygems dedicated to $rvm_ruby_string..."
+    "$rvm_scripts_path/log" "info" "Installing rubygems dedicated to $rvm_ruby_string..."
     rvm_rubygems_version="$version"
     rvm_gem_package_name="rubygems-$rvm_rubygems_version"
     rvm_rubygems_url=$(__rvm_db "rubygems_${rvm_rubygems_version}_url")
     rvm_gem_url="$rvm_rubygems_url/$rvm_gem_package_name.tgz"
 
@@ -41,27 +41,27 @@
     if [[ ! -f "$rvm_src_path/$rvm_gem_package_name/setup.rb" ]]; then
       \rm -rf "$rvm_src_path/$rvm_gem_package_name"
     fi
 
     if [[ ! -d "$rvm_src_path/$rvm_gem_package_name" ]] ; then
-      $rvm_scripts_path/log "info" "Retrieving $rvm_gem_package_name"
-      $rvm_scripts_path/fetch "$rvm_gem_url"
+      "$rvm_scripts_path/log" "info" "Retrieving $rvm_gem_package_name"
+      "$rvm_scripts_path/fetch" "$rvm_gem_url"
       result=$? ; if [[ "$result" -gt 0 ]] ; then
-        $rvm_scripts_path/log "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
+        "$rvm_scripts_path/log" "error" "There has been an error while trying to fetch the source. Aborting the installation." ; __rvm_pushpop ; return $result
       fi
       \mkdir -p "$rvm_src_path/$rvm_gem_package_name"
       __rvm_run "rubygems.extract" "gunzip < $rvm_archives_path/$rvm_gem_package_name.tgz | tar xf - -C $rvm_src_path" "Extracting $rvm_gem_package_name ..."
     fi
 
     builtin cd "$rvm_src_path/$rvm_gem_package_name"
 
     __rvm_run "rubygems.install" "GEM_PATH=$rvm_ruby_gem_path GEM_HOME=$rvm_ruby_gem_home BUNDLE_PATH=$rvm_ruby_gem_home $rvm_ruby_home/bin/ruby $rvm_src_path/$rvm_gem_package_name/setup.rb" "Installing rubygems for $rvm_ruby_home/bin/ruby"
     result=$?
     if [[ "$result" == 0 ]] ; then
-      $rvm_scripts_path/log "info" "Installation of rubygems completed successfully."
+      "$rvm_scripts_path/log" "info" "Installation of rubygems completed successfully."
     else
-      $rvm_scripts_path/log "warning" "Installation of rubygems did not complete successfully."
+      "$rvm_scripts_path/log" "warning" "Installation of rubygems did not complete successfully."
     fi
 
     if [[ ! -z "$rvm_major_version" ]] ; then
       ruby_lib_gem_path="$rvm_ruby_home/lib/ruby/gems/${rvm_release_version}.${rvm_major_version}"
     else
@@ -78,21 +78,21 @@
 
   unset ruby_lib_gem_path
 }
 
 if ! command -v ruby > /dev/null ; then
-  $rvm_scripts_path/log "error" "'ruby' was not found, cannot install rubygems unless ruby is present (Do you have an RVM ruby installed & selected?)"
+  "$rvm_scripts_path/log" "error" "'ruby' was not found, cannot install rubygems unless ruby is present (Do you have an RVM ruby installed & selected?)"
   exit 1
 fi
 
 #
 # rvm rubygems use X
 #
 if [[ $# -gt 0 ]] ; then
   version="$1" ; shift
   args="$(echo "$@" | __rvm_strip)"
 else
-  $rvm_scripts_path/log "error" "A version must be specified, for example 'rvm rubygems 1.3.7'"
+  "$rvm_scripts_path/log" "error" "A version must be specified, for example 'rvm rubygems 1.3.7'"
   exit 1
 fi
 
 # Update the rubygems to the current.
 if [[ "$version" = "current" ]]; then