homebrew-core/Formula/go.rb
2016-04-13 06:53:07 -04:00

128 lines
4.2 KiB
Ruby

class Go < Formula
desc "Go programming environment"
homepage "https://golang.org"
url "https://storage.googleapis.com/golang/go1.6.1.src.tar.gz"
mirror "https://fossies.org/linux/misc/go1.6.1.src.tar.gz"
version "1.6.1"
sha256 "1d4b53cdee51b2298afcf50926a7fa44b286f0bf24ff8323ce690a66daa7193f"
head "https://github.com/golang/go.git"
bottle do
sha256 "ef0163d1111174966bce588e41a56f7dade5758c797e89ae6cb99d5b5f3a34ca" => :el_capitan
sha256 "6368c616756269b7a8625df888c014c65158a2d7a16e97816aa13dc79d023e6e" => :yosemite
sha256 "b81b78f8bb58eb896241291a4b86cee9bdf852a2fda8ff02d4c530cbb2bab632" => :mavericks
end
option "without-cgo", "Build without cgo"
option "without-godoc", "godoc will not be installed for you"
option "without-vet", "vet will not be installed for you"
option "without-race", "Build without race detector"
go_version = "1.6"
resource "gotools" do
url "https://go.googlesource.com/tools.git",
:branch => "release-branch.go#{go_version}",
:revision => "c887be1b2ebd11663d4bf2fbca508c449172339e"
end
resource "gobootstrap" do
if MacOS.version > :lion
url "https://storage.googleapis.com/golang/go1.4.2.darwin-amd64-osx10.8.tar.gz"
sha256 "c2f53983fc8fe5159d811081022ebc401b8111759ce008f91193abdae82cdbc9"
else
url "https://storage.googleapis.com/golang/go1.4.2.darwin-amd64-osx10.6.tar.gz"
sha256 "da40e85a2c9bda9d2c29755c8b57b8d5932440ba466ca366c2a667697a62da4c"
end
end
def install
# GOROOT_FINAL must be overidden later on real Go install
ENV["GOROOT_FINAL"] = buildpath/"gobootstrap"
# build the gobootstrap toolchain Go >=1.4
(buildpath/"gobootstrap").install resource("gobootstrap")
cd "#{buildpath}/gobootstrap/src" do
system "./make.bash", "--no-clean"
end
# This should happen after we build the test Go, just in case
# the bootstrap toolchain is aware of this variable too.
ENV["GOROOT_BOOTSTRAP"] = ENV["GOROOT_FINAL"]
cd "src" do
ENV["GOROOT_FINAL"] = libexec
ENV["GOOS"] = "darwin"
ENV["CGO_ENABLED"] = build.with?("cgo") ? "1" : "0"
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 MacOS.prefer_64_bit? && build.with?("race")
system "#{bin}/go", "install", "-race", "std"
end
if build.with?("godoc") || build.with?("vet")
ENV.prepend_path "PATH", bin
ENV["GOPATH"] = buildpath
(buildpath/"src/golang.org/x/tools").install resource("gotools")
if build.with? "godoc"
cd "src/golang.org/x/tools/cmd/godoc/" do
system "go", "build"
(libexec/"bin").install "godoc"
end
bin.install_symlink libexec/"bin/godoc"
end
if build.with? "vet"
cd "src/golang.org/x/tools/cmd/vet/" do
system "go", "build"
# This is where Go puts vet natively; not in the bin.
(libexec/"pkg/tool/darwin_amd64/").install "vet"
end
end
end
end
def caveats; <<-EOS.undent
As of go 1.2, a valid GOPATH is required to use the `go get` command:
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.undent
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")
if build.with? "godoc"
assert File.exist?(libexec/"bin/godoc")
assert File.executable?(libexec/"bin/godoc")
end
if build.with? "vet"
assert File.exist?(libexec/"pkg/tool/darwin_amd64/vet")
assert File.executable?(libexec/"pkg/tool/darwin_amd64/vet")
end
end
end