rvm-install in rvm-0.0.72

- old
+ new

@@ -21,12 +21,12 @@
   mkdir -p $rvm_path/$dir_name
 done
 
 rm -rf $rvm_path/scripts # Clear the old scripts directory so that the old style rvm- scripts are cleared out.
 for dir_name in config scripts examples lib ; do
-  mkdir -p $rvm_path/$dir_name
-  /bin/cp -Rf $source_dir/$dir_name $rvm_path
+  mkdir -p "$rvm_path/$dir_name"
+  cp -Rf "$source_dir/$dir_name" "$rvm_path"
 done ; unset dir_name
 
 for file_name in rvm-prompt gemsync ; do
   mv $rvm_path/scripts/$file_name $rvm_path/bin/
   chmod +x $rvm_path/bin/$file_name
@@ -51,22 +51,21 @@
       actual_file="$(readlink $file)" # read the link target so we can preserve it.
     else
       actual_file="$file"
     fi
 
-    grep 'rvm\/bin\/rvm' $actual_file > /dev/null
+    grep 'rvm\/bin\/rvm' "$actual_file" > /dev/null
     if [[ $? -eq 0 ]] ; then
-      sed -i.orig 's#rvm/bin/rvm #rvm/scripts/rvm #g' $actual_file
-      rm -f $actual_file.orig
+      sed -i.orig 's#rvm/bin/rvm #rvm/scripts/rvm #g' "$actual_file"
+      rm -f "$actual_file.orig"
     fi
 
     if [[ -f ~/.profile ]] ; then
-      grep '.profile' $actual_file > /dev/null
+      grep '.profile' "$actual_file" > /dev/null
       if [[ $? -gt 0 ]] ; then
         profile=~/.profile
-        echo -e "\n" >> $actual_file
-        echo "source $profile" >> $actual_file
+        echo -e "\nsource ${profile}" >> "$actual_file"
       fi
     fi
   fi
 done
 
@@ -86,9 +85,11 @@
   if [[ ! -z "$rvm_apt_get_binary" ]] ; then
     echo -e "    $item For jRuby (if you wish to use it) you will need:"
     echo -e "       $ sudo aptitude install sun-java6-bin sun-java6-jre sun-java6-jdk"
     echo -e "    $item For ree (if you wish to use it) you will need:"
     echo -e "       $ sudo aptitude install libreadline5-dev libssl-dev bison"
+    echo -e "    $item For 1.9.X (if you wish to use it) we additionally recommend:"
+    echo -e "       $ sudo aptitude install libxml2-dev"
 
   elif [[ ! -z "$rvm_emerge_binary" ]] ; then
     echo -e "    $item For jRuby (if you wish to use it) you will need:"
     echo -e "       $ sudo emerge dev-java/sun-jdk dev-java/sun-jre-bin"
 