Which linux distribution are you currently working on?
I think the best way you have to install Atom is from the packages available from the website (both .deb and .rpm are built from source).
For Ubuntu, there is a repository you can use, ppa:webupd8team/atom, but that's unofficial.
Arch Linux has Atom snapshots available in AUR.
On OS X, I use brew cask to install Atom (that's just a lazy way of downloading the dmg from the website, so perfect for me!).