From https://github.com/rsp/scripts
Usage: ga file [file ...]
Source: https://rawgit.com/rsp/scripts/master/ga
Runs: git add file [file ...]
Nothing special, just less typying. It can be made as an alias but sometimes scripts are more convenient to copy and use without needing to change .bashrc or .profile
Advantage: less typing for fast operations.
Disadvantage: no smart command completion.