I have similar ones set up. 'Pull' and 'push'. Though some days I'm tempted to map all the old SCUMM keyboard shortcuts here.

'y' (yank) = git pull

's' (shove) = git push

'g' (give) = git commit -am x

'o' (open) = git checkout x

'p' (pick up) = git branch x

'l' (look at) = git status