Useful Git snippets from my time at Opendoor

.gitconfig

 # stick these in ~/.gitconfig
[alias]
  bl = "!~/.bin/bl.sh"
  
  # ensure you are on latest master before creating a PR 
  prep = "!git checkout master && git pull --rebase && git checkout - && git rebase master"
  
  # commit, get the commit message, and then immediately start writing up the PR.
  cmpr = "!git add . && git commit -a $1 && git push && open https://github.com/opendoor-labs/$(basename `pwd`)/compare/master...$(git rev-parse --abbrev-ref HEAD)"

  # got feedback? make the changes, then append it to the last commit and push it up.
  apl = "!git add . && git commit --amend --no-edit && git push --force-with-lease --set-upstream"
  
  # random other nice shortcuts.
  git = "!git ${@:2}" # fix 'git git' scenario
  ca = commit --amend
  co = checkout
  nb = checkout -b
  rc = rebase --continue
  pr = pull --rebase
[color]
  branch = auto
  diff = auto
  interactive = auto
  status = auto

[push]
	default = current

[help]
	autocorrect = 1
[credential]
	helper = osxkeychain

bl.sh

#!/usr/bin/env ruby
# written by @codeferret
require 'io/console'
begin
  require 'colorize'
rescue LoadError
  puts 'Running without colors. Install colorize gem for colors'
end

branches = `git branch --sort=-committerdate | head -n 10`.lines

COLORS = [
  :light_red,
  :yellow,
  :green,
  :cyan,
  :magenta,
].freeze

max_length = branches.map(&:length).max
branches.each_with_index do |branch, idx|
  color = COLORS[idx % COLORS.count]
  puts "#{idx}: #{branch.strip.ljust(max_length)} #{idx}".colorize(color).bold

end

choice = STDIN.getch

if choice !~ /[0-9]/
  exit 0
end

system("git co #{branches[choice.to_i]}")