class GoAT18 < Formula desc "Go programming environment (1.8)" homepage "https://golang.org" url "https://dl.google.com/go/go1.8.7.src.tar.gz" sha256 "5911e751807eebbc1980dad4305ef5492b96d6cd720bf93cbcefa86e1c195f9e" bottle do sha256 "966cd8372e51eac622c71c1c6dac4efc3b6525f7b6d175f8fb7f5e176a20f18d" => :mojave sha256 "733f30d527cce89faaddbc72687189dcc802d5c2a5bc31c4f2a43f00e0b61a61" => :high_sierra sha256 "692609a4bb340c24339ccab7d582be096324540fde4782e40340bd2965b71fbb" => :sierra sha256 "1537db5b5475f963a0818228ee8730c5dc80f360d54b598d242a6f974fc1ff5b" => :el_capitan 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 # Backports the following commit from 1.10/1.11: # https://github.com/golang/go/commit/1a92cdbfc10e0c66f2e015264a39159c055a5c15 patch do url "https://github.com/Homebrew/formula-patches/raw/e089e057dbb8aff7d0dc36a6c1933c29dca9c77e/go%401.9/go_19_load_commands.patch" sha256 "771b67df44e3d5d5d7c01ea4a0d1693032bc880ea4f16cf82c1bacb42bfd9b10" 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 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 (testpath/"hello.go").write <<~EOS package main import "fmt" 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