class Overcommit::Hook::PostCommit::GitGuilt

Calculates the change in blame since the last revision.

@see www.npmjs.com/package/git-guilt

Constants

GREEN
PLUS_MINUS_REGEX
RED

Public Instance Methods

run() click to toggle source
# File lib/overcommit/hook/post_commit/git_guilt.rb, line 12
def run
  return :pass if initial_commit?
  result = execute(command)
  return :fail, result.stderr unless result.success?

  return :pass if result.stdout.strip.empty?

  output = []
  result.stdout.scan(PLUS_MINUS_REGEX) do |user, plus, minus|
    plus = color(GREEN, plus)
    minus = color(RED, minus)
    output << "#{user}#{plus}#{minus}"
  end

  [:warn, output.join("\n")]
end

Private Instance Methods

color(code, str) click to toggle source

Returns text wrapped in ANSI escape code necessary to produce a given color/text display.

Taken from Overcommit::Logger as a temporary workaround. TODO: expose logger instance to hooks for colorized output

@param code [String] ANSI escape code, e.g. '1;33' for “bold yellow” @param str [String] string to wrap

# File lib/overcommit/hook/post_commit/git_guilt.rb, line 39
def color(code, str)
  STDOUT.tty? ? "\033[#{code}m#{str}\033[0m" : str
end