show the last commit for all branches

git-summary

#!/usr/bin/env ruby

branches = `git branch -a`
exit 1 if $?.to_i != 0
branches = branches.split(/\n/).map{ |b| b.gsub(/(\*|\->.*$|^\s+| +$)/, '') }; 
l = branches.max_by{ |b| b.length }.length
branches.each do |branch|
  pad = " " * (l-branch.length)
  STDOUT.write("#{pad}#{branch} ")
  format = [
    "%Cred%h%Creset - ",    # commit
    "%Cgreen(%cr)",         # age
    "%Creset %s ",          # log
    "%C(bold blue)<%an>",   # user
    "%C(yellow)%d",         # branch info
    "%Creset"               # reset
  ].join("")
  system("git --no-pager log -1 --color --pretty=format:'#{format}' --abbrev-commit #{branch}")
  puts
end