add merkdir

Formula/merkdir.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class Merkdir < Formula
+  desc "Create Merkle trees from your directories."
+  homepage "https://github.com/makew0rld/merkdir"
+  url "https://github.com/makew0rld/merkdir/archive/v1.0.0.tar.gz"
+  sha256 "382da73c97f5284489a6a9337d8ea30505808b595de9d510a3c154529c16a226"
+  license "GPL-3.0"
+  version "1.0.0"
+
+  depends_on "go" => :build
+  depends_on "just" => :build
+
+  head do
+    url 'https://github.com/makew0rld/merkdir.git', :branch => "main"
+  end
+
+  def install
+    if build.head?
+      system "git", "fetch", "--tags"
+      system "git", "fetch", "--unshallow"
+      system "#{HOMEBREW_PREFIX}/bin/just", "builtby=homebrew-tap" 
+    else
+      system "#{HOMEBREW_PREFIX}/bin/just", "builtby=homebrew-tap", "version=v1.0.0", "commit=a959087452d780b6412458df402b4b72a6739974", "date=unknown"
+    end
+    bin.install "merkdir"
+  end
+
+end

README.md

@@ -5,5 +5,5 @@ My custom repository for [Homebrew](https://brew.sh/). The Homebrew formulae for
 ## Setup
 
 ```shell
-brew tap makeworld-the-better-one/tap
+brew tap makew0rld/tap
 ```