prototool 1.2.0 (new formula)

Closes #31440.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/prototool.rb

@@ -0,0 +1,30 @@
+class Prototool < Formula
+  desc "Your Swiss Army Knife for Protocol Buffers"
+  homepage "https://github.com/uber/prototool"
+  url "https://github.com/uber/prototool/archive/v1.2.0.tar.gz"
+  sha256 "16654242f1f22eaeb2df0c33366ef7a22fda674b51bd4c8da38e0ffab62ce236"
+
+  depends_on "glide" => :build
+  depends_on "go" => :build
+
+  def install
+    ENV["GOPATH"] = buildpath
+    dir = buildpath/"src/github.com/uber/prototool"
+    dir.install buildpath.children
+    cd dir do
+      system "make", "brewgen"
+      cd "brew" do
+        bin.install "bin/prototool"
+        bash_completion.install "etc/bash_completion.d/prototool"
+        zsh_completion.install "etc/zsh/site-functions/_prototool"
+        man1.install Dir["share/man/man1/*.1"]
+        prefix.install_metafiles
+      end
+    end
+  end
+
+  test do
+    system bin/"prototool", "config", "init"
+    assert_predicate testpath/"prototool.yaml", :exist?
+  end
+end