Checks if feature branches have been merged/squashed/rebased into master

gitmerged

#!/usr/bin/env ruby

ENV["GIT_MERGE_AUTOEDIT"] = "no"

master_branch = "master"
merge_branch  = "gitmerged-master"

`git fetch`

fail "uncommited changes" unless `git status --porcelain`.empty?

branches = `git branch`.lines.map {|l| l.gsub('*','').strip.chomp }.reject { |branch| branch == master_branch }

if branches.include?(merge_branch)
  branches = branches - [merge_branch]
else
  `git checkout --quiet #{master_branch} && git checkout --quiet -b #{merge_branch}`
end

branches.each do |branch|
  puts branch
  system "git checkout --quiet #{merge_branch} && git reset --quiet --hard #{master_branch} && git clean -df && git merge --quiet #{branch} && git diff --quiet #{master_branch}...#{merge_branch}"
  if $?.success?
    puts "merged"
  else
    `git reset --quiet --hard #{master_branch}` if `git branch | grep '*'`.include?(merge_branch) 
    puts "not-merged"
  end
  puts
end

`git checkout #{master_branch} && git branch -D #{merge_branch}`