Get github links for all projects in a folder at a given point in time

show_git_repos_at_date.rb

# This script will look in all sub-directories to find any git project with a `deployed` branch
# It will print out direct links to git repositories at the provided date to help triage
# repositories at a certain point in time.

date = ARGV[0]
directories = Dir['./*']
git_projects = directories.select{|dir| Dir.exists?(dir+'/.git')}
project_to_url = {}
puts 'Building list'
git_projects.each_with_index do |proj, i|
  print ['|', '/', '-', '\\'][(i % 4)-1] + "\r"
  next if %x[git -C #{proj} ls-remote ./ origin/deployed].empty?
  sha = %x[git -C #{proj} rev-list -1 --before="#{date}" origin/deployed].strip
  next if sha.empty?
  git_path = %x[git -C #{proj} config --get remote.origin.url].split(':')[-1]
  next if git_path.nil?
  url_path = git_path.strip.gsub('.git', "/tree/#{sha}")
  project_to_url[proj[2..-1]] = "github.com/#{url_path}"
end

padding = project_to_url.keys.max_by(&:length).length

project_to_url.each do |name, url|
  rel_padding = ' '
  (padding - name.length).times { |_| rel_padding << ' ' }
  puts [name, rel_padding, ':', url].join(' ')
end