2019-12-19 12:59:41 +00:00
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require "language/haskell"
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class Hpack < Formula
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include Language::Haskell::Cabal
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desc "Modern format for Haskell packages"
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homepage "https://github.com/sol/hpack"
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url "https://github.com/sol/hpack/archive/0.33.0.tar.gz"
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sha256 "954b02fd01ee3e1bc5fddff7ec625839ee4b64bef51efa02306fbcf33008081e"
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head "https://github.com/sol/hpack.git"
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2019-12-19 13:30:34 +00:00
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bottle do
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cellar :any_skip_relocation
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sha256 "07e202936d3d52f9a70975d879115876b667daf26af468500c5117e1c235aedd" => :catalina
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sha256 "43ce8ac6c6f0b1642b3912c875f3c1f47732994411beae48819aa105bd97a55e" => :mojave
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sha256 "f4de8c3939a1fbc917740d0694dc729619f706962d7015af9f931d7291c952bd" => :high_sierra
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end
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2019-12-19 12:59:41 +00:00
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depends_on "cabal-install" => :build
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depends_on "ghc" => :build
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def install
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install_cabal_package
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end
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# Testing hpack is complicated by the fact that it is not guaranteed
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# to produce the exact same output for every version. Hopefully
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# keeping this test maintained will not require too much churn, but
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# be aware that failures here can probably be fixed by tweaking the
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# expected output a bit.
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test do
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(testpath/"package.yaml").write <<~EOS
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name: homebrew
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dependencies: base
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library:
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exposed-modules: Homebrew
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EOS
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expected = <<~EOS
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name: homebrew
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version: 0.0.0
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build-type: Simple
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library
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exposed-modules:
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Homebrew
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other-modules:
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Paths_homebrew
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build-depends:
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base
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default-language: Haskell2010
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EOS
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system "#{bin}/hpack"
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# Skip the first lines because they contain the hpack version number.
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assert_equal expected, (testpath/"homebrew.cabal").read.lines[8..-1].join
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end
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end
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