homebrew-core/Formula/hpack.rb

57 lines
1.7 KiB
Ruby

class Hpack < Formula
desc "Modern format for Haskell packages"
homepage "https://github.com/sol/hpack"
url "https://github.com/sol/hpack/archive/0.34.2.tar.gz"
sha256 "1c23f0a14ca32c92a2b6522d047757850ae89be2b344b19a2df668607f5f72e7"
license "MIT"
head "https://github.com/sol/hpack.git"
bottle do
cellar :any_skip_relocation
sha256 "e230f0684178727141cfb242d235de3f062a056816c06c1e882ad3c2caf34c35" => :catalina
sha256 "cc6b80c259ea44fdb961fc758c9472264b48ce481f5c9d436c325493d7d13c0a" => :mojave
sha256 "197fe924cebba40e09bf85adb60beeb889e576cc8600b1e92361f20a5e9c0a04" => :high_sierra
end
depends_on "cabal-install" => :build
depends_on "ghc" => :build
def install
system "cabal", "v2-update"
system "cabal", "v2-install", *std_cabal_v2_args
end
# Testing hpack is complicated by the fact that it is not guaranteed
# to produce the exact same output for every version. Hopefully
# keeping this test maintained will not require too much churn, but
# be aware that failures here can probably be fixed by tweaking the
# expected output a bit.
test do
(testpath/"package.yaml").write <<~EOS
name: homebrew
dependencies: base
library:
exposed-modules: Homebrew
EOS
expected = <<~EOS
name: homebrew
version: 0.0.0
build-type: Simple
library
exposed-modules:
Homebrew
other-modules:
Paths_homebrew
build-depends:
base
default-language: Haskell2010
EOS
system "#{bin}/hpack"
# Skip the first lines because they contain the hpack version number.
assert_equal expected, (testpath/"homebrew.cabal").read.lines[6..].join
end
end