(repo git "git://github.com/sethalves/chicken-scheme-{egg-name}.git") ; optional (uri targz "https://github.com/sethalves/chicken-scheme-{egg-name}/tarball/{egg-release}") (release "1") (release "2") (release "3") (release "4") (release "5") (release "6") (release "7") (release "8") (release "9") (release "10") (release "11")