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# yum.rb
# Copyright (C) 2010 Red Hat, Inc.
# Authors:
# Akira TAGOH <tagoh@redhat.com>
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
require 'rubygems'
gem 'ruby-stemp'
require 'stemp'
require 'fileutils'
require 'optparse'
require 'shellwords'
require 'tmpdir'
begin
require 'fontpackages/compat'
rescue LoadError
require File.join(File.dirname(__FILE__), 'comps')
end
class OptionParser
module Arguable
alias :orig_options :options
def options
@yum_config ||= []
orig_options do |opt|
opt.on('-C', '--cache', '[YUM] run from cache only') {|v| @yum_config << '-C'}
opt.on('--enablerepo=REPO', '[YUM] enable one or more repositories (wildcards allowed)') {|v| @yum_config << build_yumopt(:enablerepo, v)}
opt.on('--disablerepo=REPO', '[YUM] disable one or more repositories (wildcards allowed)') {|v| @yum_config << build_yumopt(:disablerepo, v)}
yield opt
end
end # def options
def yum_options
@yum_config
end # def yum_options
private
def build_yumopt(key, val)
sprintf("--%s=%s", key, val.shellescape)
end
end # module Arguable
end # class OptionParser
module FontPackages
class YumRepos
def initialize(yumopts)
@yumopts = yumopts
@query_format = ""
@ignore_error = false
end # def initialize
attr_accessor :query_format, :ignore_error
def query(name, &block)
repoquery([yum_options, "-q", @query_format.empty? ? "" : sprintf("--qf=%s", @query_format), name], &block)
end # def query
def packagelist(name, &block)
repoquery([yum_options, "-l", name], &block)
end # def packagelist
def download(name)
tmpdir = nil
nvra = nil
begin
old_qf = query_format
self.query_format = "%{name}-%{version}-%{release}.%{arch}"
query(name) do |ret|
nvra = ret
break
end
ensure
self.query_format = old_qf
end
if nvra.nil? then
e = RuntimeError.new(sprintf("No such packages: %s", name))
if ignore_error then
STDERR.printf("E: %s\n", e.message)
return
else
raise e
end
end
if block_given? then
tmpdir = STemp.mkdtemp(File.join(Dir.tmpdir, sprintf("%sXXXXXXXX", name)))
end
cwd = Dir.pwd
begin
Dir.chdir(tmpdir) unless tmpdir.nil?
cmd = sprintf("yumdownloader %s %s > /dev/null 2>&1", yum_options, nvra)
STDERR.printf("D: %s\n", cmd) if $DEBUG
system(cmd)
rpm = sprintf("%s.rpm", nvra)
unless File.exist?(rpm) then
e = RuntimeError.new(sprintf("Unable to download rpm: %s", nvra))
if ignore_error then
STDERR.printf("E: %s\n", e.message)
else
raise e
end
end
yield self, rpm
ensure
FileUtils.rm_rf(tmpdir) unless tmpdir.nil?
Dir.chdir(cwd)
end
end # def download
def extract(name)
download(name) do |x, rpm|
cmd = sprintf("rpm2cpio %s | cpio -id > /dev/null 2>&1", rpm)
STDERR.printf("D: %s\n", cmd) if $DEBUG
system(cmd)
yield x, rpm
end
end # def extract
private
def yum_options
if @yumopts.kind_of?(Array) then
@yumopts.join(' ')
elsif !@yumopts.nil? then
@yumopts
else
""
end
end # def yum_options
def repoquery(opts)
cmd = sprintf("repoquery %s 2> /dev/null", opts.join(' '))
STDERR.printf("D: %s\n", cmd) if $DEBUG
IO.popen(cmd) do |f|
until f.eof? do
s = f.gets
yield s.chomp unless s.nil?
end
end
end # def repoquery
end # class YumRepos
end # module FontPackages
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