Module: Githooker

Defined in:
lib/githooker.rb

Class Method Summary collapse

Class Method Details

.find_git_dir ⇒ Object 



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# File 'lib/githooker.rb', line 32

def self.find_git_dir
  # find .git directory
  if File.exist? ".git"
    return File.join(Dir.pwd,".git")
  else
    # find path to parent directory
    index_of_parent_separator = Dir.pwd.rindex(File::SEPARATOR)
    parent_dir_name = Dir.pwd[0...index_of_parent_separator]

    if File.exist? parent_dir_name
      Dir.chdir(parent_dir_name) { self.find_git_dir }
    else
      return false
    end
  end
end

.hook(hook_name, file_contents) ⇒ Object 



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# File 'lib/githooker.rb', line 2

def self.hook(hook_name, file_contents)
  git_dir = self.find_git_dir
  acceptable_hooks = ["applypatch-msg","pre-applypatch","post-applypatch","pre-commit","prepare-commit-msg","commit-msg","post-commit","pre-rebase","post-checkout","post-merge","pre-push","pre-receive","update","post-receive","post-update","push-to-checkout","pre-auto-gc","post-rewrite","rebase"]
  unless acceptable_hooks.include? hook_name
    puts "Please provide an acceptable hook name. Acceptable hooks are as follows:"
    acceptable_hooks.each {|hook| puts "  - '" + hook + "'"}
    puts "Refer to git docs for more information."
    exit(1)
  end

  if git_dir
    # check if .git/hooks contains file matching current hook
    hooks_dir = File.join(git_dir, "hooks")
    hook_full_path = File.join(hooks_dir, hook_name)
    unless File.exist? hook_full_path
      hook_file = File.open(hook_full_path, "w") do |file|
        file_contents.each_line { |line| file.puts line }
      end
      system("chmod +x #{hook_full_path}")
      puts "Added githook on hook #{hook_name}, located in hooks folder #{hooks_dir}"
    else
      puts "Githook for this action (#{hook_name}) already exists. This script is unable to manage duplicate executables for the same githook. Exiting..."
      exit(1)
    end
  else
    puts "No git repository found... exiting... "
    exit(1)
  end
end