um 4.1.0 (new formula)

Closes #32670.

Signed-off-by: commitay <commitay@users.noreply.github.com>

Formula/um.rb

@@ -0,0 +1,39 @@
+class Um < Formula
+  desc "Command-line utility for creating and maintaining personal man pages"
+  homepage "https://github.com/sinclairtarget/um"
+  url "https://github.com/sinclairtarget/um/archive/4.1.0.tar.gz"
+  sha256 "0606cd8da69618d508d06dee859dd1147a4d8846cdff57fb8958c71fe906523f"
+
+  depends_on "ruby" if MacOS.version <= :sierra
+
+  resource "kramdown" do
+    url "https://rubygems.org/gems/kramdown-1.17.0.gem"
+    sha256 "5862410a2c1692fde2fcc86d78d2265777c22bd101f11c76442f1698ab242cd8"
+  end
+
+  def install
+    ENV["GEM_HOME"] = libexec
+
+    resources.each do |r|
+      r.verify_download_integrity(r.fetch)
+      system "gem", "install", r.cached_download, "--ignore-dependencies",
+             "--no-document", "--install-dir", libexec
+    end
+
+    system "gem", "build", "um.gemspec"
+    system "gem", "install", "--ignore-dependencies", "um-#{version}.gem"
+
+    bin.install libexec/"bin/um"
+    bin.env_script_all_files(libexec/"bin", :GEM_HOME => ENV["GEM_HOME"])
+
+    bash_completion.install "um-completion.sh"
+    man1.install Dir["doc/man1/*"]
+  end
+
+  test do
+    system bin/"um", "topic", "-d" # Set default topic
+
+    output = shell_output("#{bin}/um topic")
+    assert_match shell_output("#{bin}/um config default_topic"), output
+  end
+end