From 51ce46df8e482aa17f47e6264657731499929563 Mon Sep 17 00:00:00 2001
From: Vladislav Bardusov <vladislav.maste73@gmail.com>
Date: Sat, 19 Mar 2022 17:24:42 +0400
Subject: [PATCH] Go update to 1.18

---
 Formula/go.rb      |  6 +--
 Formula/go@1.18.rb | 93 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 96 insertions(+), 3 deletions(-)
 create mode 100644 Formula/go@1.18.rb

diff --git a/Formula/go.rb b/Formula/go.rb
index a4ef8fac5ce4..7c7dc90c5aee 100644
--- a/Formula/go.rb
+++ b/Formula/go.rb
@@ -1,9 +1,9 @@
 class Go < Formula
   desc "Open source programming language to build simple/reliable/efficient software"
   homepage "https://go.dev/"
-  url "https://go.dev/dl/go1.17.8.src.tar.gz"
-  mirror "https://fossies.org/linux/misc/go1.17.8.src.tar.gz"
-  sha256 "2effcd898140da79a061f3784ca4f8d8b13d811fb2abe9dad2404442dabbdf7a"
+  url "https://go.dev/dl/go1.18.src.tar.gz"
+  mirror "https://fossies.org/linux/misc/go1.18.src.tar.gz"
+  sha256 "38f423db4cc834883f2b52344282fa7a39fbb93650dc62a11fdf0be6409bdad6"
   license "BSD-3-Clause"
   head "https://go.googlesource.com/go.git", branch: "master"
 
diff --git a/Formula/go@1.18.rb b/Formula/go@1.18.rb
new file mode 100644
index 000000000000..5decacc61ce4
--- /dev/null
+++ b/Formula/go@1.18.rb
@@ -0,0 +1,93 @@
+class GoAT118 < Formula
+  desc "Open source programming language to build simple/reliable/efficient software"
+  homepage "https://go.dev/"
+  url "https://go.dev/dl/go1.18.src.tar.gz"
+  mirror "https://fossies.org/linux/misc/go1.18.src.tar.gz"
+  sha256 "38f423db4cc834883f2b52344282fa7a39fbb93650dc62a11fdf0be6409bdad6"
+  license "BSD-3-Clause"
+  head "https://go.googlesource.com/go.git", branch: "master"
+
+  livecheck do
+    url "https://go.dev/dl/"
+    regex(/href=.*?go[._-]?v?(\d+(?:\.\d+)+)[._-]src\.t/i)
+  end
+
+  bottle do
+    sha256 arm64_monterey: "6537caf925f0a3ec1875c55b88a4184d58fc604f6979397b22e4b2a257175af1"
+    sha256 arm64_big_sur:  "fdc0d8e3047cc35f601e1b8c8381bd50594711db9b90e81f01430b864a8ef579"
+    sha256 monterey:       "8e95cccc916d40254e2a56449fac8f4a5e36d86d63b619793ff1f372bae387a1"
+    sha256 big_sur:        "62e6d0bdf5effc5b98f5de7004f7c70e4f27f120f334302622829f37f65676e8"
+    sha256 catalina:       "7d769c4b648931964a38850fa2774d40d2832ebecfeba97c35645f430ba80ab4"
+    sha256 x86_64_linux:   "2c529a79f41ffc505361700c502661d9b6e0e11050d86f5dc6ff488ce854f4ac"
+  end
+
+  # Don't update this unless this version cannot bootstrap the new version.
+  resource "gobootstrap" do
+    on_macos do
+      if Hardware::CPU.arm?
+        url "https://storage.googleapis.com/golang/go1.16.darwin-arm64.tar.gz"
+        version "1.16"
+        sha256 "4dac57c00168d30bbd02d95131d5de9ca88e04f2c5a29a404576f30ae9b54810"
+      else
+        url "https://storage.googleapis.com/golang/go1.16.darwin-amd64.tar.gz"
+        version "1.16"
+        sha256 "6000a9522975d116bf76044967d7e69e04e982e9625330d9a539a8b45395f9a8"
+      end
+    end
+
+    on_linux do
+      if Hardware::CPU.arm?
+        url "https://storage.googleapis.com/golang/go1.16.linux-arm64.tar.gz"
+        version "1.16"
+        sha256 "3770f7eb22d05e25fbee8fb53c2a4e897da043eb83c69b9a14f8d98562cd8098"
+      else
+        url "https://storage.googleapis.com/golang/go1.16.linux-amd64.tar.gz"
+        version "1.16"
+        sha256 "013a489ebb3e24ef3d915abe5b94c3286c070dfe0818d5bca8108f1d6e8440d2"
+      end
+    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"
+
+    # Remove useless files.
+    # Breaks patchelf because folder contains weird debug/test files
+    (libexec/"src/debug/elf/testdata").rmtree
+    # Binaries built for an incompatible architecture
+    (libexec/"src/runtime/pprof/testdata").rmtree
+  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")
+
+    ENV["GOOS"] = "freebsd"
+    ENV["GOARCH"] = "amd64"
+    system bin/"go", "build", "hello.go"
+  end
+end