Ruby script to delete local branches not founded on remote.

branch-cleaner

#!/usr/bin/env ruby

if Gem::Specification.find_all_by_name('git').empty?
  puts 'gem "git" not founded'
  puts 'Run "gem install git" command to install required gem'
  exit
end

require 'git'
require 'logger'
require 'optparse'

options = {
  git_binary_path: '/usr/bin/git',
  git_project_folder: Dir.pwd
}

parser = OptionParser.new do |opts|
  # opts.banner = "Usage: example.rb [options]"
  opts.on('-d folder', '--directory') do |d|
    options[:git_project_folder] = d
  end

  opts.on('-b binary', '--git_binary_path') do |d|
    options[:git_project_folder] = d
  end
end.parse!


Git.configure do |config|
  config.binary_path = options['git_project_folder']
end

git = Git.open(options[:git_project_folder])

if git.nil?
  puts "The directoy #{options[:git_project_folder]} is not a Git project"
end
# git = Git.open(Dir.pwd, log: Logger.new(STDOUT))
remote_branches = git.branches.remote.collect(&:name)
local_branches = git.branches.local

local_branches.each do |b|
  branch_name = b.name
  unless remote_branches.include?(branch_name)
    b.delete
    puts "DELETED \t #{branch_name}"
  end
end