install git from ppa
the main ubuntu repository used by our base image has an old version of git (e.g. missing the autostash
feature). We could instead install git from https://launchpad.net/~git-core/+archive/ubuntu/ppa
the main ubuntu repository used by our base image has an old version of git (e.g. missing the autostash
feature). We could instead install git from https://launchpad.net/~git-core/+archive/ubuntu/ppa