~/.gitconfig alias for reviewing/merging

.gitconfig

[alias]
    review = !sh -c 'REF=`git rev-parse --symbolic-full-name --abbrev-ref HEAD` && git fetch $1 $2:mergeReview -f && git checkout mergeReview && git rebase $REF && git checkout $REF && git diff HEAD..mergeReview' -
    approve = merge mergeReview
    pr = !git review origin refs/pull/$1/head

example use:
git checkout {targetBranch}
git review {nameOfRemote} {nameOfBranch}
...look at the diff...
git approve
git push

example use for pr:
git checkout {targetBranch}
git pr {pull request #}
...look at the diff...
git approve
git push