Method not available on this version
This method is only available on newer versions.
The first available version (v2_6_3) is shown here.
version_of(script)
private
No documentation available.
# File lib/bundler/env.rb, line 89
def self.version_of(script)
return "not installed" unless Bundler.which(script)
`#{script} --version`.chomp
end