homebrew-core/Formula/go@1.8.rb

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class GoAT18 < Formula
desc "Go programming environment (1.8)"
homepage "https://golang.org"
url "https://storage.googleapis.com/golang/go1.8.5.src.tar.gz"
sha256 "4949fd1a5a4954eb54dd208f2f412e720e23f32c91203116bed0387cf5d0ff2d"
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bottle do
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sha256 "37499ad07ac0448329c4cd7d00d90c4934bb16e0732d43a1ea178a500a74c6c3" => :high_sierra
sha256 "78a87365b1ef44d0b343c8d95f79a35514bc5227cbc07ad8bcb774cc89b65328" => :sierra
sha256 "1def201fc998a8616123e8d49b04706a64531dc284f62ad9809afd93a7205e34" => :el_capitan
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end
keg_only :versioned_formula
option "without-cgo", "Build without cgo (also disables race detector)"
option "without-race", "Build without race detector"
depends_on :macos => :mountain_lion
resource "gotools" do
url "https://go.googlesource.com/tools.git",
:branch => "release-branch.go1.8"
end
# Don't update this unless this version cannot bootstrap the new version.
resource "gobootstrap" do
url "https://storage.googleapis.com/golang/go1.7.darwin-amd64.tar.gz"
version "1.7"
sha256 "51d905e0b43b3d0ed41aaf23e19001ab4bc3f96c3ca134b48f7892485fc52961"
end
def install
(buildpath/"gobootstrap").install resource("gobootstrap")
ENV["GOROOT_BOOTSTRAP"] = buildpath/"gobootstrap"
cd "src" do
ENV["GOROOT_FINAL"] = libexec
ENV["GOOS"] = "darwin"
ENV["CGO_ENABLED"] = "0" if build.without?("cgo")
system "./make.bash", "--no-clean"
end
(buildpath/"pkg/obj").rmtree
rm_rf "gobootstrap" # Bootstrap not required beyond compile.
libexec.install Dir["*"]
bin.install_symlink Dir[libexec/"bin/go*"]
# Race detector only supported on amd64 platforms.
# https://golang.org/doc/articles/race_detector.html
if build.with?("cgo") && build.with?("race") && MacOS.prefer_64_bit?
system bin/"go", "install", "-race", "std"
end
# Build and install godoc
ENV.prepend_path "PATH", bin
ENV["GOPATH"] = buildpath
(buildpath/"src/golang.org/x/tools").install resource("gotools")
cd "src/golang.org/x/tools/cmd/godoc/" do
system "go", "build"
(libexec/"bin").install "godoc"
end
bin.install_symlink libexec/"bin/godoc"
end
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def caveats; <<~EOS
A valid GOPATH is required to use the `go get` command.
If $GOPATH is not specified, $HOME/go will be used by default:
https://golang.org/doc/code.html#GOPATH
You may wish to add the GOROOT-based install location to your PATH:
export PATH=$PATH:#{opt_libexec}/bin
EOS
end
test do
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(testpath/"hello.go").write <<~EOS
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package main
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import "fmt"
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func main() {
fmt.Println("Hello World")
}
EOS
# Run go fmt check for no errors then run the program.
# This is a a bare minimum of go working as it uses fmt, build, and run.
system bin/"go", "fmt", "hello.go"
assert_equal "Hello World\n", shell_output("#{bin}/go run hello.go")
# godoc was installed
assert_predicate libexec/"bin/godoc", :exist?
assert_predicate libexec/"bin/godoc", :executable?
if build.with? "cgo"
ENV["GOOS"] = "freebsd"
system bin/"go", "build", "hello.go"
end
end
end