rubygems will always conflict with ruby's 'gem' command, but if it's installed it...
tree47791400430bfea9791cf981de5d2babd2c76bb7
-rw-r--r-- 1650 COPYING
-rw-r--r-- 1 STABLE
-rw-r--r-- 4 VERSION
-rw-r--r-- 41 default.nix
drwxr-xr-x - doc
drwxr-xr-x - maintainers
drwxr-xr-x - pkgs