past_dweller

past_dweller.rb

require 'date'
MONTHS = 18

CMD = 'git log --pretty="%an %ae%n%cn %ce" -- graphql_api | sort | uniq | wc -l'
# cloc . | grep Ruby
results = []

MONTHS.times do |i| 
  date = (DateTime.now - (i*30)).strftime("%Y-%m-%d")  
  `git checkout \`git rev-list -n 1 --before="#{date} 00:00" master\` > /dev/null 2>&1`  

  results << date + ',' + `#{cmd}`   
end


results.reverse.each do |res|
    puts res
end