#!/usr/bin/env ruby
# Makes an ical of commits out of a git repository.
# Author: Sunny Ripert http://sunfox.org
# Licence: WTFPl http://sam.zoy.org/wtfpl/
# Requires: $ sudo gem install icalendar grit mime-types
# Usage: $ ruby git-ics.rb git-directory > calendar.ics
require 'rubygems'
require 'icalendar'
require 'grit'
require 'yaml'
require 'open-uri'
class GitIcs
def initialize(paths)
@paths = paths
end
def commits
commits = []
@paths.map do |path|
is_uri = path =~ /\:\/\//
begin
path = self.class.clone_from_uri(path) if is_uri
repo_name = File.basename(File.expand_path(path).gsub(/\/?\.git$/, ''))
grit_commits = Grit::Repo.new(path).commits
commits += grit_commits.map { |commit| [repo_name, commit] }
rescue Grit::NoSuchPathError => e
$stderr.puts "#{$0}: No such path #{e.message}"
rescue Grit::InvalidGitRepositoryError => e
$stderr.puts "#{$0}: #{e.message} is not a git repository"
ensure
%x(rm -rf #{path}) if is_uri
end
end
commits.sort_by { |ary| ary[1].committed_date }
end
def to_ical
cal = Icalendar::Calendar.new
self.commits.each do |repo_name, commit|
datetime = DateTime.parse(commit.committed_date.to_s)
cal.event do
dtstamp datetime
dtstart datetime
dtend datetime
summary "#{repo_name}: commit by #{commit.author}"
description commit.message
uid commit.id
klass "PUBLIC"
end
end
cal.to_ical
end
def self.clone_from_uri(uri)
dirname = uri.gsub(/^.*:\/\/|\/?\.git\/?$/, '').gsub(/\//, '-')
path = "/tmp/git-ics/#{dirname}.git"
%x(git clone --bare #{uri} #{path})
path
end
def self.github_uris_for_user(username)
yaml = YAML.load(open("http://github.com/api/v1/yaml/#{username}"))
yaml["user"]["repositories"].map { |rep|
"git://github.com/#{rep[:owner]}/#{rep[:name]}.git"
}
end
end
if __FILE__ == $0
def usage
"Usage: #{$0} path [path...]\n" + \
" #{$0} uri [uri...]\n" + \
" #{$0} --github-user=username"
end
abort usage if ARGV.empty?
paths = ARGV
if ARGV.first =~ /--github-user=(.*)/
paths = GitIcs.github_uris_for_user($1)
end
puts GitIcs.new(paths).to_ical
end
