TIL Repo: Generate List of Links For Past Week's TILs

summary.rb

results = `git log HEAD@{'7 days ago'}..HEAD --oneline | sed 's/^\([[:alnum:]]*\) .*$/\1/'`

commit_list = results.split(/\n/).map do |item|
  item.split(' ', 2)
end.filter do |sha, commit_message|
  commit_message.start_with?('Add ')
end

commit_data = commit_list.map do |sha, commit_message|
  diff_tree_result = `git diff-tree --no-commit-id --name-only -r #{sha}`
  files = diff_tree_result.split(/\n/)
  source_file = (files - ['README.md'])[0]
  # description = commit_message.sub('Add ', '').split(' as a ')[0]
  description = File.open(source_file, &:gets).sub('# ', '').strip
  topic = source_file.split('/')[0].capitalize

  {
    sha: sha,
    commit_message: commit_message,
    files: files,
    source_file: source_file,
    description: description,
    topic: topic
  }
end

links = commit_data.map do |data|
  "- [#{data[:description]}](https://github.com/jbranchaud/til/blob/master/#{data[:source_file]}), #[[#{data[:topic]}]]"
end

links.reverse.each do |link|
  puts link
end