weaver 0.10.0 (new formula)

Weaver 0.10.0

Closes #28520.

Signed-off-by: Dominyk Tiller <dominyktiller@gmail.com>

Formula/weaver.rb

@@ -0,0 +1,35 @@
+class Weaver < Formula
+  desc "Command-line tool for Weaver"
+  homepage "https://github.com/scribd/Weaver"
+  url "https://github.com/scribd/Weaver/archive/0.10.0.tar.gz"
+  sha256 "93dee436fcb13e60d379393da2e7d734c44037d95e97f2917982351446c81c69"
+
+  depends_on :xcode => ["9.0", :build]
+
+  def install
+    # libxml2 has to be included in ISYSTEM_PATH for building one of
+    # dependencies. It didn't happen automatically before Xcode 9.3
+    # so homebrew patched environment variable to get it work.
+    # But since Xcode 9.3 includes it already, the build will fail
+    # because of redefinition of libxml2 module.
+    # It's a bug of homebrew but before it's fixed, it's easier
+    # to provide in-place workaround for now.
+    # Please remove this once homebrew is patched.
+    # https://github.com/Homebrew/brew/pull/4147
+    if OS::Mac::Xcode.version >= Version.new("9.3")
+      old_isystem_paths = ENV["HOMEBREW_ISYSTEM_PATHS"]
+      ENV["HOMEBREW_ISYSTEM_PATHS"] = old_isystem_paths.gsub("/usr/include/libxml2", "")
+    end
+
+    system "make", "install", "PREFIX=#{prefix}"
+
+    ENV["HOMEBREW_ISYSTEM_PATHS"] = old_isystem_paths if defined? old_isystem_paths
+  end
+
+  test do
+    # Weaver uses Sourcekitten and thus, has the same sandbox issues.
+    # Rewrite test after sandbox issues investigated.
+    # https://github.com/Homebrew/homebrew/pull/50211
+    system "#{bin}/weaver", "--version"
+  end
+end