easily clean git branches

clean-branches.bash

ruby bin/clean-branches.rb $* >/dev/null 2>/dev/null && git for-each-ref --sort='-authordate:iso8601' --format=' %(authordate:relative)%09%(refname:short)' refs/heads

clean-branches.rb

# this script will delete all fully-merged branches, except for
# branches marked "refactor." it also skips over deployment branches
# like master, development, etc.

require 'open3'

def get_branches
  git_branch = "git branch"
  branches = []

  Open3.popen3(git_branch) do |stdin, stdout, stderr, wait_thr|
    branches = stdout.read.split("\n")
  end

  branches
end

def whitespace(branches)
  branches.map {|branch| branch.strip}
end

def get_rid_of_current_branch_indicator(branches)
  branches.map do |branch|
    if branch.match(/^\* (.+)/)
      branch.match(/^\* (.+)/)[1]
    else
      branch
    end
  end
end

def filter_out_deployment_branches(branches)
  deployment_branches = %w{
    master
    development
    rc
  }

  branches - deployment_branches
end

def filter_out_refactoring_branches(branches)
  branches.select do |branch|
    ! branch.match(/refactor/)
  end
end

branches = get_branches
branches = whitespace(branches)
branches = get_rid_of_current_branch_indicator(branches)
branches = filter_out_deployment_branches(branches)
branches = filter_out_refactoring_branches(branches)

branches.each do |branch|
  puts "attempting to delete branch: #{branch}"
  git_delete_branch = "git br -d #{branch}"
  Open3.popen3(git_delete_branch) do |stdin, stdout, stderr, wait_thr|
    stdout.each_line {|line| puts line}
    stderr.each_line {|line| puts line}
  end
end