Simple script to generate JS static code analysis history for a git repository

plato_repo_history.rb

#https://github.com/schacon/ruby-git
#https://github.com/es-analysis/plato

require 'git'

##################################

# root location of git repository
root_location = '/path/to/my/repo'
# JS scripts folder, relative to folder where script is started
scripts_folder = 'app/scripts'
# generate report for each nth commit
nth_commit = 100

##################################

`git checkout master`

repo = Git.open(root_location)
repo.index
repo.index.readable?
repo.index.writable?
repo.repo
repo.dir

commits = repo.log(nil)
commits_array = commits.map { |l| l }

counter = 0
current = ''

# commits are last (newest) first - want to go from oldest
commits_array.reverse.each do |l|

  if counter % nth_commit == 0 && !current.empty?
    `git checkout #{l.sha}`
    `plato --exclude 'vendors|demo' --date #{l.date.to_i} -r -d reports #{scripts_folder}`
  end

  current = l.sha
  counter = counter + 1

end

puts 'DONE, opening report'

`open reports/index.html`