49 lines
1.5 KiB
Ruby
49 lines
1.5 KiB
Ruby
require 'formula'
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class PkgCurlDownloadStrategy <CurlDownloadStrategy
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def stage
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safe_system '/usr/sbin/pkgutil', '--expand', @tarball_path, File.basename(@url)
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chdir
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end
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end
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# Remember to update the formula for Cabal when updating this formula
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class Ghc <Formula
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homepage 'http://haskell.org/ghc/'
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version '6.12.2'
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url "http://haskell.org/ghc/dist/#{version}/GHC-#{version}-i386.pkg"
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md5 '52c79e7a1a29f0e385e23b3023ef6bbc'
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# Avoid stripping the Haskell binaries AND libraries; http://hackage.haskell.org/trac/ghc/ticket/2458
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skip_clean ['bin', 'lib']
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def download_strategy
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# Extract files from .pkg while caching the .pkg
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PkgCurlDownloadStrategy
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end
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def replace_all foo, bar
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# Find all text files containing foo and replace it with bar
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files = `/usr/bin/grep -lsIR #{foo} .`.split
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inreplace files, foo, bar
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end
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def install
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short_version = version.split('.').first(2).join('')
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# Extract files from .pax.gz
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system '/bin/pax -f ghc.pkg/Payload -p p -rz'
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cd "GHC.framework/Versions/#{short_version}/usr"
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# Fix paths
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replace_all "/Library/Frameworks/GHC.framework/Versions/#{short_version}/usr/lib/ghc-#{version}", "#{lib}/ghc"
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replace_all "/Library/Frameworks/GHC.framework/Versions/#{short_version}/usr", prefix
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mv "lib/ghc-#{version}", 'lib/ghc'
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prefix.install ['bin', 'lib', 'share']
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# Regenerate GHC package cache
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rm "#{lib}/ghc/package.conf.d/package.cache"
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system "#{bin}/ghc-pkg", 'recache', '--package-conf', "#{lib}/ghc/package.conf.d"
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end
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end
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