94 lines
2.7 KiB
Ruby
Executable File
94 lines
2.7 KiB
Ruby
Executable File
# Gets a patch from a GitHub commit or pull request and applies it to Homebrew.
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# Optionally, installs it too.
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require 'utils'
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require 'formula'
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def tap arg
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match = arg.match(%r[homebrew-(\w+)/])
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match[1].downcase if match
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end
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if ARGV.empty?
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onoe 'This command requires at least one argument containing a URL or pull request number'
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end
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if ARGV[0] == '--rebase'
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onoe 'You meant `git pull --rebase`.'
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end
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ARGV.named.each do|arg|
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if arg.to_i > 0
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url = 'https://github.com/mxcl/homebrew/pull/' + arg
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else
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url_match = arg.match HOMEBREW_PULL_OR_COMMIT_URL_REGEX
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unless url_match
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ohai 'Ignoring URL:', "Not a GitHub pull request or commit: #{arg}"
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next
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end
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url = url_match[0]
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end
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if tap url
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Dir.chdir HOMEBREW_REPOSITORY/"Library/Taps/#{url_match[1].downcase}-#{tap url}"
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else
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Dir.chdir HOMEBREW_REPOSITORY
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end
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# GitHub provides commits'/pull-requests' raw patches using this URL.
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url += '.patch'
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# The cache directory seems like a good place to put patches.
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HOMEBREW_CACHE.mkpath
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patchpath = HOMEBREW_CACHE + File.basename(url)
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curl url, '-o', patchpath
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# Store current revision
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revision = `git rev-parse --short HEAD`.strip
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ohai 'Applying patch'
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patch_args = ['am']
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patch_args << '--signoff' unless ARGV.include? '--clean'
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# Normally we don't want whitespace errors, but squashing them can break
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# patches so an option is provided to skip this step.
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if ARGV.include? '--ignore-whitespace' or ARGV.include? '--clean'
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patch_args << '--whitespace=nowarn'
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else
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patch_args << '--whitespace=fix'
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end
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patch_args << patchpath
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safe_system 'git', *patch_args
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issue = arg.to_i > 0 ? arg.to_i : url_match[4]
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if issue and not ARGV.include? '--clean'
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ohai "Patch closes issue ##{issue}"
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message = `git log HEAD^.. --format=%B`
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# If this is a pull request, append a close message.
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unless message.include? 'Closes #'
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issueline = "Closes ##{issue}."
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signed = 'Signed-off-by:'
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message = message.gsub signed, issueline + "\n\n" + signed
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safe_system 'git', 'commit', '--amend', '-q', '-m', message
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end
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end
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ohai 'Patch changed:'
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safe_system 'git', '--no-pager', 'diff', "#{revision}..", '--stat'
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if ARGV.include? '--install'
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`git diff #{revision}.. --name-status`.each_line do |line|
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status, filename = line.split
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# Don't try and do anything to removed files.
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if (status == 'A' or status == 'M') and filename.match /Formula\/\w+\.rb$/ or tap url
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formula = File.basename(filename, '.rb')
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ohai "Installing #{formula}"
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install = Formula.factory(formula).installed? ? 'upgrade' : 'install'
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safe_system 'brew', install, '--debug', '--fresh', formula
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end
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end
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end
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end
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