These two things typically go hand in hand. I personally use git to version my deployments. So, I'll check something into git, and then have it do a deployment

These two things typically go hand in hand. I personally use git to version my deployments. So, I'll check something into git, and then have it do a deployment via a git post commit hook. This is very handy, in that I have a history of what was deployed along with the changes. I can also easy revert changes and they get pushed out. So, we are distilling a deployment (which typically has many steps) into a 'git push' workflow.