From 2dedca337eee15737adf282f5748896ea5171d7f Mon Sep 17 00:00:00 2001
From: carlocab <30379873+carlocab@users.noreply.github.com>
Date: Wed, 30 Dec 2020 14:11:45 +0000
Subject: [PATCH] formula_installer: improve no-bottle error message

Closes #10180.
---
 Library/Homebrew/formula_installer.rb | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index 1db18045b..9a621a742 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -242,8 +242,13 @@ class FormulaInstaller
        # Integration tests override homebrew-core locations
        ENV["HOMEBREW_TEST_TMPDIR"].nil? &&
        !pour_bottle?
-      raise CannotInstallFormulaError, <<~EOS
-        #{formula}: no bottle available!
+      message = <<~EOS
+        #{formula}: unable to pour bottle!
+      EOS
+      if !formula.pour_bottle? && formula.pour_bottle_check_unsatisfied_reason
+        message += formula.pour_bottle_check_unsatisfied_reason
+      end
+      message += <<~EOS
         You can try to install from source with e.g.
           brew install --build-from-source #{formula}
         Please note building from source is unsupported. You will encounter build
@@ -251,6 +256,7 @@ class FormulaInstaller
         requests instead of asking for help on Homebrew's GitHub, Twitter or any other
         official channels.
       EOS
+      raise CannotInstallFormulaError, message
     end
 
     type, reason = DeprecateDisable.deprecate_disable_info formula