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| | module Wrongdoc::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
# TODO: investigate Ruby git libraries
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
|