# File lib/rubygems/patcher.rb, line 14 def initialize(gemfile, output_dir) @gemfile = gemfile @output_dir = output_dir # @target_dir is a temporary directory where the gem files live tmpdir = Dir.mktmpdir basename = File.basename(gemfile, '.gem') @target_dir = File.join(tmpdir, basename) end
# File lib/rubygems/patcher.rb, line 48 def apply_patch(patch, strip_number) patch_path = File.expand_path(patch) info 'Path to the patch to apply: ' + patch_path # Apply the patch by calling 'patch -pNUMBER < patch' Dir.chdir @target_dir do IO.popen("patch --verbose -p#{strip_number} < #{patch_path} 2>&1") do |out| std = out.readlines out.close info std unless $?.nil? if $?.exitstatus == 0 @output << "Succesfully patched with #{patch}" else @output << "Error: Unable to patch with #{patch}." unless Gem.configuration.really_verbose @output << "Run gem patch with --verbose option to swich to verbose mode." end end end end end end
Patch the gem, move the new patched gem to the working directory and return the path
# File lib/rubygems/patcher.rb, line 27 def patch_with(patches, strip_number) @output = [] check_patch_command_is_installed extract_gem # Apply all patches patches.each do |patch| info 'Applying patch ' + patch apply_patch(patch, strip_number) end build_patched_gem new_gem_path = File.join(@output_dir, @package.spec.file_name) FileUtils.mv((File.join @target_dir, @package.spec.file_name), new_gem_path) # Return the path to the patched gem new_gem_path end
# File lib/rubygems/patcher.rb, line 74 def print_results @output.each do |msg| say msg end end