homebrew-core/Formula/go.rb
2018-06-15 16:37:20 -07:00

117 lines
3.8 KiB
Ruby

class Go < Formula
desc "Open source programming language to build simple/reliable/efficient software"
homepage "https://golang.org"
stable do
url "https://dl.google.com/go/go1.10.3.src.tar.gz"
mirror "https://fossies.org/linux/misc/go1.10.3.src.tar.gz"
sha256 "567b1cc66c9704d1c019c50bef946272e911ec6baf244310f87f4e678be155f2"
go_version = version.to_s.split(".")[0..1].join(".")
resource "gotools" do
url "https://go.googlesource.com/tools.git",
:branch => "release-branch.go#{go_version}"
end
# Backports the following commit from 1.10/1.11:
# https://github.com/golang/go/commit/1a92cdbfc10e0c66f2e015264a39159c055a5c15
patch do
url "https://github.com/golang/go/commit/1a92cdbfc10e0c66f2e015264a39159c055a5c15.patch?full_index=1"
sha256 "9b879e3e759d56093ca7660305c3e4f8aee8acdd87126dc10985360395704139"
end
end
bottle do
sha256 "4229e1addd787d3fc372bc17b57766ccba605f935d54d413ae4b8499390cb56f" => :high_sierra
sha256 "3e27ed7f24bbf3bfb768905d92a33a8bcfb2cff6bfb28eb65c53aaf55dee8f8e" => :sierra
sha256 "e1fbcbeca4133490bc7b4b34247612f2b4b4a58e5c195d8e2291d14dcbd6e65b" => :el_capitan
end
head do
url "https://go.googlesource.com/go.git"
resource "gotools" do
url "https://go.googlesource.com/tools.git"
end
end
option "without-cgo", "Build without cgo (also disables race detector)"
option "without-race", "Build without race detector"
depends_on :macos => :mountain_lion
# 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
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