mac下brew使用国内源安装go15brew 安装go15

brew edit go

  stable do
    url "https://studygolang.com/dl/golang/go1.15.6.src.tar.gz"

...
  resource "gotools" do
      url "https://github.com/golang/tools.git",

...
  livecheck do
    url "https://studygolang.com/dl"

...
  head do
    url "https://github.com/golang/go.git"

    resource "gotools" do
      url "https://github.com/golang/tools.git"
...

  resource "gobootstrap" do
    on_macos do
      url "https://studygolang.com/dl/golang/go1.7.darwin-amd64.tar.gz"

    ENV["GOPROXY"] = "https://goproxy.cn"  # 此行是为了新增代理的环境变量

    system bin/"go", "install", "-race", "std"

brew install go

brew install --build-from-source go

class Go < Formula
  desc "Open source programming language to build simple/reliable/efficient software"
  homepage "https://golang.org"
  license "BSD-3-Clause"

  stable do
    url "https://golang.org/dl/go1.15.6.src.tar.gz"
    mirror "https://fossies.org/linux/misc/go1.15.6.src.tar.gz"
    sha256 "890bba73c5e2b19ffb1180e385ea225059eb008eb91b694875dd86ea48675817"

    go_version = version.major_minor
    resource "gotools" do
      url "https://go.googlesource.com/tools.git",
          branch: "release-branch.go#{go_version}"
    end
  end

  livecheck do
    url "https://golang.org/dl/"
    regex(/href=.*?go[._-]?v?(\d+(?:\.\d+)+)[._-]src\.t/i)
  end

  bottle do
    sha256 "2107796e255869aae4a2b1bd5766182f38c87544f968750d78b7ba520d907b1a" => :big_sur
    sha256 "9dac57ef268c5fee434ac7896fc77f16f16f34462822e216c9973ade6a768e0b" => :catalina
    sha256 "af0b8702944cde293206a5847bea8fb5aed66babed82fb202aff696ac5211691" => :mojave
  end

  head do
    url "https://go.googlesource.com/go.git"

    resource "gotools" do
      url "https://go.googlesource.com/tools.git"
    end
  end

  # Don't update this unless this version cannot bootstrap the new version.
  resource "gobootstrap" do
    on_macos do
      url "https://storage.googleapis.com/golang/go1.7.darwin-amd64.tar.gz"
      sha256 "51d905e0b43b3d0ed41aaf23e19001ab4bc3f96c3ca134b48f7892485fc52961"

    on_linux do
      url "https://storage.googleapis.com/golang/go1.7.linux-amd64.tar.gz"
      sha256 "702ad90f705365227e902b42d91dd1a40e48ca7f67a2f4b2fd052aaa4295cd95"
    end
  end

  def install
    (buildpath/"gobootstrap").install resource("gobootstrap")
    ENV["GOROOT_BOOTSTRAP"] = buildpath/"gobootstrap"

    cd "src" do
      ENV["GOROOT_FINAL"] = libexec
      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*"]

    system bin/"go", "install", "-race", "std"

    # 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

  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?

    ENV["GOOS"] = "freebsd"
    ENV["GOARCH"] = "amd64"
    system bin/"go", "build", "hello.go"
  end
end