Change install command to new style

4 jobs for master in 4 minutes and 9 seconds (queued for 1 second)
Status Job ID Name Coverage
  Syntax
passed #4752
syntax_ruby_2-3

00:02:47

passed #4751
syntax_ruby_2-4

00:00:53

passed #4750
syntax_ruby_2-5

00:01:06

 
  Linting
passed #4753
lint_ruby

00:01:21