Unspecified build dependency on "ruby"

[hlavaatch]

[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.5.0:exec (map-tokens) on project rust-netbeans: Command execution failed.: Cannot run program "ruby" (in directory "C:\Users\hlavac\rust-netbeans\rust-netbeans"): CreateProcess error=2, Systém nemůže nalézt uvedený soubor -> [Help 1]

(File not found)

[Chris2011]

Please see this comment here: https://github.com/drrb/rust-netbeans/issues/17#issuecomment-333281089