Download *imagesnap* from https://github.com/rharder/imagesnap or install it with homebrew:

    brew install imagesnap

Create `~/.gitshots` directory:

    mkdir ~/.gitshots

Add this as a post-commit hook to yout git repo:

    #!/usr/bin/env ruby
    file="~/.gitshots/#{Time.now.to_i}.jpg"
    unless File.directory?(File.expand_path("../../rebase-merge", __FILE__))
      puts "Taking capture into #{file}!"
      system "imagesnap -q -w 3 #{file} &"
    end
    exit 0

Assemble the video with http://www.dayofthenewdan.com/projects/tlassemble

Enjoy!

Checkout an [example video recording](https://player.vimeo.com/video/44067957) of me :)