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#!/usr/bin/ruby
#
# Copyright © 2010, Antonio Terceiro <terceiro@softwarelivre.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require 'gem2deb'
require 'gem2deb/gem2tgz'
require 'optparse'
require 'rubygems'
optparse = OptionParser.new do |opts|
opts.banner = "Usage: gem2tgz [OPTIONS] GEMNAME|GEMFILE [TARBALL]"
opts.separator "Options:"
opts.on('-h', '--help', 'show help') do
puts opts
exit
end
opts.on('-v', '--version', 'show version') do
puts "gem2tgz version #{Gem2Deb::VERSION}"
exit
end
end
optparse.parse!
if ARGV.length != 1 && ARGV.length != 2
puts optparse
exit(1)
end
gemfile = ARGV[0]
# Download gem if not available locally
if not File::exist?(gemfile) and gemfile !~ /.gem$/
puts "#{gemfile} doesn't seem to exist. Let's try to download it with 'gem fetch #{ARGV[0]}'"
if gemfile =~ /^rails-assets/
run("gem", "fetch", "--source", "https://rails-assets.org", gemfile)
else
run("gem", "fetch", gemfile)
end
versions = Dir::glob("#{gemfile}-*.gem").map do |a|
Gem::Version.new(a.sub(/#{gemfile}-(.+)\.gem/, '\1'))
end
# and pick the most recent one
last_version = versions.max
gemfile = "#{gemfile}-#{last_version}.gem"
end
Gem2Deb::Gem2Tgz.convert!(gemfile, ARGV[1] || nil)
__END__
=head1 NAME
gem2tgz - converts Rubygems' .gem file into tarballs
=head1 SYNOPSIS
B<gem2tgz> [I<OPTIONS>] I<GEMNAME> [I<TARBALL>] (to download the gem with I<gem fetch>)
B<gem2tgz> [I<OPTIONS>] I<GEMFILE> [I<TARBALL>] (to use a local .gem file)
=head1 DESCRIPTION
B<gem2tgz> will convert the .gem file I<GEM> into a tarball named I<TARBALL>.
If I<TARBALL> is omitted, B<gem2tgz> will try to guess the filename for the
tarball by taking I<GEM> and replacing '.gem' with '.tar.gz'.
=head1 SEE ALSO
L<B<gem2deb>>(1)
=head1 COPYRIGHT AND AUTHORS
Copyright (c) 2010, Antonio Terceiro <terceiro@softwarelivre.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
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