Git repository inspection script for chromium

chromium_inspec.rb

#!/usr/bin/env ruby
# Git repository inspection script for chromium
# See to get the code: http://www.chromium.org/developers/how-tos/get-the-code
# Kazuki Hamasaki <ashphy@ashphy.com>
require 'rugged'

REPO = '.'
REVIEW_COMMIT = /Review URL:/i
BOT_COMMITS = [/Updating trunk VERSION/, /Update .DEPS.git/, /Automated Commit/]
REVERT_COMMIT = /Revert r/
# This may be operated by human, but it should be routine operation
WEBKIT_ROLL_COMMIT = /Webkit roll/

commits = 0
non_reviews = 0
bot_commits = 0
revert_commits = 0
webkit_role_commits = 0

repo = Rugged::Repository.new REPO
p "List all non-reviewed commits for #{repo.workdir}"

walker = Rugged::Walker.new(repo)
walker.push(repo.last_commit())
walker.each do |c|
  commits +=1
  unless c.message =~ REVIEW_COMMIT
    non_reviews += 1
    #p c.oid
    #p c.message.inspect

    BOT_COMMITS.each { |cond| bot_commits += 1 if c.message =~ cond }
    revert_commits += 1 if c.message =~ REVERT_COMMIT
    webkit_role_commits += 1 if c.message =~ WEBKIT_ROLL_COMMIT
  end
end

p "There are #{non_reviews} commits in the all #{commits} commits"
p "#{bot_commits} commites by bot were found"
p "#{revert_commits} commites by revert were found"
p "#{webkit_role_commits} commites by webkit role were found"

"There are 18081 commits in the all 216922 commits"
"9628 commites by bot were found"
"89 commites by revert were found"
"34 commites by webkit role were found"