lean-cli 0.2.0 (new formula)

Closes #4171.

Signed-off-by: Tim D. Smith <git@tim-smith.us>

Formula/lean-cli.rb

@@ -0,0 +1,23 @@
+class LeanCli < Formula
+  desc "Command-line tool to develop and manage LeanCloud apps."
+  homepage "https://github.com/leancloud/lean-cli"
+  url "https://github.com/leancloud/lean-cli/archive/v0.2.0.tar.gz"
+  sha256 "980980c764486aa933255fd64d391560e72bba78af8427253e1b4515ab6b68eb"
+  head "https://github.com/leancloud/lean-cli.git"
+
+  depends_on "go" => :build
+
+  def install
+    build_from = build.head? ? "homebrew-head" : "homebrew"
+    ENV["GOPATH"] = buildpath
+    mkdir_p buildpath/"src/github.com/leancloud/"
+    ln_s buildpath, buildpath/"src/github.com/leancloud/lean-cli"
+    system "go", "build", "-o", bin/"lean",
+                 "-ldflags", "-X main.pkgType=#{build_from}",
+                 "github.com/leancloud/lean-cli/lean"
+  end
+
+  test do
+    assert_match "lean version #{version}", shell_output("#{bin}/lean --version")
+  end
+end