git/config: Add alias for checking out PRs

git/.config/git/config

@@ -64,6 +64,7 @@
 	checkup = !git log -1 && (git fetch --all 2>/dev/null || true) && git status
 	fuckit = reset --hard
 	setup = !git init && git commit --allow-empty -m \"Initial commit\"
+	fpr = !sh -c 'git fetch ${2:-origin} +refs/pull/$1/head:refs/remotes/${2:-origin}/pr/$1 && git checkout pr/$1' -
 	e = commit --allow-empty-message -m ''
 	br = branch
 	co = checkout