issue branching macro using ghi

bash.sh

##
# Use a ruby script tucked in .rubies
useruby() {
  ruby ~/.rubies/$1.rb $@
}

##
# Create a new branch for an issue
branch_for() {
  useruby ghi_brancher $@
}

ghi_brancher.rb

module Keyvan
  module Rubies
    module GhiBrancher
      class << self
        def run
          if (input = ARGV[1].to_i) == 0
            puts "Expected an issue #" 
            exit(1)
          end

          issues.each do |number, description|
            if input == number.to_i
              create_branch number, description
              exit(0)
            end
          end

          # Still here? I guess I didn't find that issue

          puts "Issue #{input} not found!"
          issues.each do |n,d|
            puts " #{n} #{d}"
          end

          exit(2)
        end

        def sanitize text
          text.gsub(" ", "_").downcase
        end

        def create_branch issue_no, description
          name = "#{issue_no}_#{sanitize(description)}"
          cmd = "git checkout -b #{name}"
          puts "Press any key to #{cmd}"
          STDIN.gets
          puts `#{cmd}`
        rescue Interrupt
          puts "ancelled"
        end

        def issues
          @issues ||= begin
            puts "Fetching issue list from GitHub"
            ghi = `ghi list -p -s 'open'`.strip
            Hash[ghi.scan(/  (\d+)  ([\w|\ ]+) /)]
          end
        end
      end
    end
  end
end

Keyvan::Rubies::GhiBrancher.run

usage

➜  bait git:(master) daf branch_for 30
sourcing /Users/keyvan/.keyvanrc
Fetching issue list from GitHub
Press any key to git checkout -b 30_coverage_report

Switched to a new branch '30_coverage_report'

➜  bait git:(30_coverage_report) branch_for 200
Fetching issue list from GitHub
Issue 200 not found!
 34 Improve User Interface
 30 Coverage Report
 23 Security
 22 Establish a convention for static analysis
➜  bait git:(30_coverage_report) branch_for 23
Fetching issue list from GitHub
Press any key to git checkout -b 23_security
^Cancelled

Finally decided to automate this part of my workflow :)