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author | Eric Wong <e@80x24.org> | 2015-01-08 21:04:04 +0000 |
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committer | Eric Wong <e@80x24.org> | 2015-01-08 23:51:37 +0000 |
commit | 4ffa14b8d8aa58276ffcf4ed839a6f4c6c1c836d (patch) | |
tree | 75701bb9e27147deee1b644c154547f89e1f2ea5 /lib/olddoc/history.rb | |
download | olddoc-4ffa14b8d8aa58276ffcf4ed839a6f4c6c1c836d.tar.gz |
Template based on Darkfish, but heavily stripped down.
Diffstat (limited to 'lib/olddoc/history.rb')
-rw-r--r-- | lib/olddoc/history.rb | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/olddoc/history.rb b/lib/olddoc/history.rb new file mode 100644 index 0000000..b817d2d --- /dev/null +++ b/lib/olddoc/history.rb @@ -0,0 +1,57 @@ +# Copyright (C) 2015, all contributors <olddoc-public@80x24.org> +# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt) +require 'uri' + +module Olddoc::History + def initialize_history + @tags = @old_summaries = nil + end + + # returns a cgit URI for a given +tag_name+ + def tag_uri(tag_name) + uri = @cgit_uri.dup + uri.path += "/tag/" + uri.query = "id=#{tag_name}" + uri + end + + def tags + timefmt = '%Y-%m-%dT%H:%M:%SZ' + @tags ||= `git tag -l`.split(/\n/).map do |tag| + next if tag == "v0.0.0" + if %r{\Av[\d\.]+} =~ tag + type = `git cat-file -t #{tag}`.chomp + user_type = { "tag" => "tagger", "commit" => "committer" }[type] + user_type or abort "unable to determine what to do with #{type}=#{tag}" + header, subject, body = `git cat-file #{type} #{tag}`.split(/\n\n/, 3) + body ||= "initial" unless old_summaries.include?(tag) + header = header.split(/\n/) + + tagger = header.grep(/\A#{user_type} /).first + time = Time.at(tagger.split(/ /)[-2].to_i).utc + { + :time => time.strftime(timefmt), + :ruby_time => time, + :tagger_name => %r{^#{user_type} ([^<]+)}.match(tagger)[1].strip, + :tagger_email => %r{<([^>]+)>}.match(tagger)[1].strip, + :id => `git rev-parse refs/tags/#{tag}`.chomp!, + :tag => tag, + :subject => subject.strip, + :body => (old = old_summaries[tag]) ? "#{old}\n#{body}" : body, + } + end + end.compact.sort { |a,b| b[:time] <=> a[:time] } + end + + def old_summaries + @old_summaries ||= if File.exist?(".CHANGELOG.old") + File.readlines(".CHANGELOG.old").inject({}) do |hash, line| + version, summary = line.split(/ - /, 2) + hash[version] = summary + hash + end + else + {} + end + end +end |