Fedora is and will always be my first choice for a distro.. Given that I wrote about installing Torch7 in Ubuntu 15.04 recently, how could we leave behind Fedora!!
Unfortunately, the Torch install-dependencies script is hardcoded to support Fedora 20. I have made some changes to the script which makes it support Fedora 22 as well, and have made it available as a github gist (Torch7 install Fedora 22). Have also raised an issue and supplied a patch to the original developers of the script.
Enjoy ‘Torch’-ing away to glory on Fedora 22!!! 🙂