lf 6 (new formula)

Closes #29393.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/lf.rb

@@ -0,0 +1,25 @@
+class Lf < Formula
+  desc "Terminal file manager"
+  homepage "https://godoc.org/github.com/gokcehan/lf"
+  url "https://github.com/gokcehan/lf/archive/r6.tar.gz"
+  sha256 "43298a4e391d97643ace9bcb96429a63f9b7a8d321da4b4d36151998abc5cd03"
+
+  depends_on "dep" => :build
+  depends_on "go" => :build
+
+  def install
+    ENV["GOPATH"] = buildpath
+    ENV["version"] = version
+    (buildpath/"src/github.com/gokcehan/lf").install buildpath.children
+    cd "src/github.com/gokcehan/lf" do
+      system "dep", "ensure", "-vendor-only"
+      system "./gen/build.sh", "-o", bin/"lf"
+      prefix.install_metafiles
+    end
+  end
+
+  test do
+    assert_equal version.to_s, shell_output("#{bin}/lf -version").chomp
+    assert_match "file manager", shell_output("#{bin}/lf -doc")
+  end
+end