Be a tad clearer up-front that it's a missing gem.

pbarry-r7 · pbarry-r7 · commit c7e6d1ad113e · 2017-02-01T21:06:27.000-06:00
diff --git a/tools/hardware/elm327_relay.rb b/tools/hardware/elm327_relay.rb
@@ -22,7 +22,7 @@
   require 'serialport'
 rescue LoadError => e
   gem = e.message.split.last
-  abort "#{gem} is not installed. Please install with `gem install #{gem}' or, if using rvm, `rvm gemset install #{gem}' and try again."
+  abort "#{gem} gem is not installed. Please install with `gem install #{gem}' or, if using rvm, `rvm gemset install #{gem}' and try again."
 end
 
 #

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@`
`22`	`22`	`require 'serialport'`
`23`	`23`	`rescue LoadError => e`
`24`	`24`	`gem = e.message.split.last`
`25`		- abort "#{gem} is not installed. Please install with `gem install #{gem}' or, if using rvm, `rvm gemset install #{gem}' and try again."
	`25`	+ abort "#{gem} gem is not installed. Please install with `gem install #{gem}' or, if using rvm, `rvm gemset install #{gem}' and try again."
`26`	`26`	`end`
`27`	`27`
`28`	`28`	`#`