class Jekyll::GitMetadata::Generator
Public Instance Methods
commit(sha)
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# File lib/jekyll/git_metadata/generator.rb, line 103 def commit(sha) result = %x{ git show --format=fuller --name-only #{sha} } long_sha, author_name, author_email, author_date, commit_name, commit_email, commit_date, message, changed_files = result.scan(/commit (.*)\nAuthor:(.*)<(.*)>\nAuthorDate:(.*)\nCommit:(.*)<(.*)>\nCommitDate:(.*)\n\n((?:\s\s\s\s[^\r\n]*\n)*)\n(.*)/m).first.map(&:strip) { 'short_sha' => sha, 'long_sha' => long_sha, 'author_name' => author_name, 'author_email' => author_email, 'author_date' => author_date, 'commit_name' => commit_name, 'commit_email' => commit_email, 'commit_date' => commit_date, 'message' => message.gsub(/ /, ''), 'changed_files' => changed_files.split("\n") } end
files_count()
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# File lib/jekyll/git_metadata/generator.rb, line 128 def files_count %x{ git ls-tree -r HEAD }.lines.count end
generate(site)
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# File lib/jekyll/git_metadata/generator.rb, line 9 def generate(site) raise "Git is not installed" unless git_installed? Dir.chdir(site.source) do data = load_git_metadata(site) site.config['git'] = data['site_data'] jekyll_items(site).each do |page| if page.is_a?(Jekyll::Page) path = page.path else path = page.relative_path end page.data['git'] = data['pages_data'][path] end end end
git_installed?()
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# File lib/jekyll/git_metadata/generator.rb, line 132 def git_installed? null = RbConfig::CONFIG['host_os'] =~ /msdos|mswin|djgpp|mingw/ ? 'NUL' : '/dev/null' system "git --version >>#{null} 2>&1" end
lines(file = nil)
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# File lib/jekyll/git_metadata/generator.rb, line 88 def lines(file = nil) cmd = "git log --numstat --format=%h" cmd << " -- #{file}" if file result = %x{ #{cmd} } results = result.scan(/(.*)\n\n((?:.*\t.*\t.*\n)*)/) results.map do |line| files = line[1].scan(/(.*)\t(.*)\t(.*)\n/) line[1] = files.inject(0){|s,a| s+=a[0].to_i} line[2] = files.inject(0){|s,a| s+=a[1].to_i} end results.map do |line| { 'sha' => line[0], 'additions' => line[1], 'subtractions' => line[2] } end end
load_git_metadata(site)
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# File lib/jekyll/git_metadata/generator.rb, line 26 def load_git_metadata(site) current_sha = %x{ git rev-parse HEAD }.strip cache_dir = site.source + '/.git-metadata' FileUtils.mkdir_p(cache_dir) unless File.directory?(cache_dir) cache_file = cache_dir + "/#{current_sha}.json" if File.exist?(cache_file) return JSON.parse(IO.read(cache_file)) end pages_data = {} jekyll_items(site).each do |page| if page.is_a?(Jekyll::Page) path = page.path else path = page.relative_path end pages_data[path] = page_data(path) end data = { 'site_data' => site_data, 'pages_data' => pages_data } File.open(cache_file, 'w') { |f| f.write(data.to_json) } data end
page_data(relative_path = nil)
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# File lib/jekyll/git_metadata/generator.rb, line 61 def page_data(relative_path = nil) return if relative_path && !tracked_files.include?(relative_path) authors = self.authors(relative_path) lines = self.lines(relative_path) { 'authors' => authors, 'total_commits' => authors.inject(0) { |sum, h| sum += h['commits'] }, 'total_additions' => lines.inject(0) { |sum, h| sum += h['additions'] }, 'total_subtractions' => lines.inject(0) { |sum, h| sum += h['subtractions'] }, 'first_commit' => commit(lines.last['sha']), 'last_commit' => commit(lines.first['sha']) } end
project_name()
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# File lib/jekyll/git_metadata/generator.rb, line 124 def project_name File.basename(%x{ git rev-parse --show-toplevel }.strip) end
site_data()
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# File lib/jekyll/git_metadata/generator.rb, line 54 def site_data { 'project_name' => project_name, 'files_count' => files_count, }.merge!(page_data) end
tracked_files()
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# File lib/jekyll/git_metadata/generator.rb, line 120 def tracked_files @tracked_files ||= %x{ git ls-tree --full-tree -r --name-only HEAD }.split("\n") end
Private Instance Methods
jekyll_items(site)
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# File lib/jekyll/git_metadata/generator.rb, line 139 def jekyll_items(site) site.pages + site.collections.values.map(&:docs).flatten end