Module: Murmurs::Git

Included in:
Murmurs
Defined in:
lib/murmurs/git.rb

Instance Method Summary collapse

Instance Method Details

#git_commits(input, branch) ⇒ Object

input: git post receive stdin string branch: git branch



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# File 'lib/murmurs/git.rb', line 43

def git_commits(input, branch)
  data = input.split("\n").map do |l|
    l.split
  end.find do |l|
    l[2] =~ /\Arefs\/heads\/#{branch}\z/
  end

  return if data.nil?

  null_rev = '0' * 40
  from_rev, to_rev, _ = data
  if to_rev == null_rev # delete branch
    "Someone deleted branch #{branch}."
  else
    repo_name = File.basename(Dir.getwd)
    revs = if from_rev == null_rev  # new branch
             to_rev
           else
             "#{from_rev}..#{to_rev}"
           end
    `git rev-list #{revs}`.split("\n").map do |rev|
      `git log -n 1 #{rev}`
    end.reverse.map do |msg|
      lines = msg.split("\n")
      commit = lines[0][8..20]
      author = lines[1]
      time = lines[2]
      msg = lines[3..-1]
      <<-MURMUR
#{author}

#{msg.join("\n").strip}

commit #rev-#{commit} (#{repo_name})
#{time}
MURMUR
    end
  end
end

#git_hooks_dir(git_repo_dir) ⇒ Object 



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# File 'lib/murmurs/git.rb', line 5

def git_hooks_dir(git_repo_dir)
  hooks = File.join(git_repo_dir, 'hooks')
  if File.exists?(hooks)
    hooks
  else
    hooks = File.join(git_repo_dir, '.git', 'hooks')
    if File.exists?(hooks)
      hooks
    else
      raise "Could not find \"hooks\" dir or \".git/hooks\" dir in #{git_repo_dir}"
    end
  end
end

#install_git_hook(git_dir, script) ⇒ Object 



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# File 'lib/murmurs/git.rb', line 19

def install_git_hook(git_dir, script)
  hooks = git_hooks_dir(git_dir)
  hook = File.join(hooks, 'post-receive')
  if File.exists?(hook)
    raise HookExistsError, "There is #{hook} file existing, please backup / remove it."
  end

  File.open(hook, 'w') do |f|
    f.write <<-BASH
#!/usr/bin/env bash

mingle_murmurs_url=$(git config hooks.minglemurmursurl)
mingle_access_key_id=$(git config hooks.mingleaccesskeyid)
mingle_access_secret_key=$(git config hooks.mingleaccesssecretkey)

echo "$(cat)" | #{script.inspect} -g -b master -m "$mingle_murmurs_url" -k "$mingle_access_key_id" -s "$mingle_access_secret_key"
BASH
  end
  FileUtils.chmod('+x', hook)
  hook
end