Update doas.rb

Formula/doas.rb

@@ -7,16 +7,17 @@ class Doas < Formula
   license "BSD-2-Clause"
   head "https://github.com/slicer69/doas.git", branch: "master"
 
-  bottle do
-    root_url "https://github.com/Neved4/homebrew-tap/releases/download/doas-6.3p12"
-    sha256 cellar: :any_skip_relocation, arm64_sonoma: "3973d3f674d9de9fe6402e108064524105f82af8cf464ba97f22cb1a73742a03"
-    sha256 cellar: :any_skip_relocation, ventura:      "2addf400597918085b22645fb17d45c9cd420298a9cdb60a41540d7d6c4c6eb8"
-    sha256 cellar: :any_skip_relocation, monterey:     "a922ab3545bb5714dc994b77a4e81e6653422f34de7072cce2d78203cbd99c34"
-  end
-
-  depends_on :macos
+  depends_on "bison" => :build
+  depends_on :macos # Linux: doas.c:49:10: fatal error: security/pam_appl.h
 
   def install
-    system "YACC=bison -y", "make", "PREFIX=#{prefix}", "SYSCONFDIR=#{etc}", "install"
+    ENV["YACC"] = "#{Formula["bison"].opt_bin}/bison -y" if OS.mac?
+    system "make", "PREFIX=#{prefix}", "SYSCONFDIR=#{etc}", "install"
+  end
+
+  def post_install
+    chmod 4755, bin/"doas"
+    ohai "Please copy the PAM configuration file manually:"
+    ohai "sudo cp /etc/pam.d/sudo /etc/pam.d/doas"
   end
 end