Arcanist cheatsheet

$ arc patch D123
$ git add .
$ git commit -am "update"
$ arc diff --update D123
$ arc land --revision D123

Update diff to master

$ git checkout master
$ git merge arcpatch-D123
$ git push

Make a diff from working branch

$ git checkout lol-branch
$ arc diff master

Make a update from diff working branch before land

$ git add .
$ git commit -am "update"
$ arc diff origin/lol-branch