Linux version of the imagesnap post-commit git hooks. To use create the file .git/hooks/post-commit in any repository you commit in often. Requires you have fswebcam installed (most distros have a package for it). Snapshots are stored in ~/.gitshots.

gistfile1.rb

#!/usr/bin/env ruby
#

require 'fileutils'

fswebcam_path = `which fswebcam`.strip
exit 0 if fswebcam_path.empty?

print "Snapshotting your pretty mug..."

base_path = File.expand_path("~/.gitshots")
file = File.join(base_path, "#{Time.now.to_f}.png")

FileUtils.mkdir_p(base_path)
system("#{fswebcam_path} --png -1 --save #{file} -q")

puts "Done"

exit 0