From a1f24748e695aa50a8142a5c510261d1e6e1fe4e Mon Sep 17 00:00:00 2001
From: Morgan Tocker <tocker@gmail.com>
Date: Mon, 11 Mar 2019 13:59:34 -0600
Subject: [PATCH] caveats: non-macOS platforms warn on services

Only currently supported by macOS. Attempting to use services
should produce a warning for now.  It is possible it might be
supported in the future.
---
 Library/Homebrew/caveats.rb | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/caveats.rb b/Library/Homebrew/caveats.rb
index 7a85c71897..cbeb8a2335 100644
--- a/Library/Homebrew/caveats.rb
+++ b/Library/Homebrew/caveats.rb
@@ -136,7 +136,18 @@ class Caveats
     EOS
   end
 
-  def plist_caveats; end
+  def plist_caveats
+    return unless f.plist_manual
+
+    # default to brew services not being supported.
+    # macOS will overwrite this behavior.
+
+    <<~EOS
+      #{Formatter.warning("Warning:")} #{f.name} wants to install a service, which is currently only supported on macOS!
+      You can manually execute the service with:
+      #{f.plist_manual}
+    EOS
+  end
 
   def plist_path
     destination = if f.plist_startup