Mac/deb-specific functionality

install/rvm

@@ -12,8 +12,12 @@ if ! command_exists rvm; then
     rvm install 1.8.7
     rvm install 2.0.0
 
+    if is_mac; then
         # But ultimately, the system should be the default
         rvm --default use system
+    else
+        rvm --default use 2.0.0
+    fi
 
     # A few prerequisites
     sudo gem install bluecloth capistrano bundler colorize
@@ -35,11 +39,14 @@ echo-g "==> Rvm: Updating rubies"
 rvm all do gem update --system
 rvm all do gem update
 
-# Update system ruby
-echo-g "==> Rvm: Updating system ruby"
-rvm use system
-sudo gem update --system
-sudo gem update
+# Only mac needs this
+if is_mac; then
+    # Update system ruby
+    echo-g "==> Rvm: Updating system ruby"
+    rvm use system
+    sudo gem update --system
+    sudo gem update
+fi
 
 echo-g "==> Rvm: Cleaning up"
 rvm cleanup all