git hatchet -- excise old branches

git-hatchet

#!/bin/bash ruby

require "open3"

sigint_caught = false
Signal.trap("INT") do
  sigint_caught = true
  throw :sigint
end

def proxy_failure!(o, e, s)
  if s.exitstatus != 0
    STDOUT.write(o)
    STDERR.write(e)
    exit s.exitstatus
  end
end

o, e, s = Open3.capture3("git status")
proxy_failure!(o, e, s)

o, e, s = Open3.capture3("git branch --list")
proxy_failure!(o, e, s)

branches = o.split("\n").map(&:strip).map { |b| b.gsub(/^\*\s+/, '') }

catch :sigint do
  branches.each do |branch|
    print "Delete branch \"#{branch}\"? "
    if gets.strip.downcase == "y"
      puts "--> Deleting \"#{branch}\""
      o, e, s = Open3.capture3("git branch -D #{branch}")
      proxy_failure!(o, e, s)
    else
      puts "--x Leaving \"#{branch}\""
    end
  end
end

if sigint_caught
  puts
  puts "--x Caught SIGINT, exiting..."
  exit
end