Arcanist cheatsheet

by 
$ 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 current working branch

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

Push to working branch without land

$ git add .
$ git commit -am "update"
$ git push origin lol-branch

Make a diff from working branch from the first update

$ git checkout lol-branch
$ git add.
$ git commit -am "update"
$ arc diff master