From a161829927fcd13d7a91cbc707db402577e95867 Mon Sep 17 00:00:00 2001
From: lionellloh <lionell_loh@mymail.sutd.edu.sg>
Date: Tue, 7 Jul 2020 16:09:20 +0800
Subject: [PATCH] forbidden-license: include method in module scope for
 module-wide access

---
 Library/Homebrew/cmd/install.rb       | 33 ++++++++++++++++-----------
 Library/Homebrew/formula_installer.rb |  2 ++
 2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index fe1eea882c..2072b7fa05 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -342,24 +342,31 @@ module Homebrew
   rescue CannotInstallFormulaError => e
     ofail e.message
   end
-end
 
-def forbidden_license_check(f)
-  forbidden_licenses = ENV["HOMEBREW_FORBIDDEN_LICENSES"].split(" ")
+  def get_forbidden_licenses
+    Homebrew::EnvConfig.forbidden_licenses.split(" ")
+  end
 
-  if forbidden_licenses.include? f.license
-    raise CannotInstallFormulaError, <<~EOS
+  def forbidden_license_check(f)
+    forbidden_licenses = get_forbidden_licenses
+
+    if forbidden_licenses.include? f.license
+      raise CannotInstallFormulaError, <<~EOS
       #{f.name} has a forbidden license #{f.license}.
-    EOS
-  end
+      EOS
+    end
 
-  fi = FormulaInstaller.new(f)
-  fi.compute_dependencies.each do |dep, _|
-    dep_f = dep.to_formula
-    next unless forbidden_licenses.include? dep_f.license
+    fi = FormulaInstaller.new(f)
+    fi.compute_dependencies.each do |dep, _|
+      dep_f = dep.to_formula
+      next unless forbidden_licenses.include? dep_f.license
 
-    raise CannotInstallFormulaError, <<~EOS
+      raise CannotInstallFormulaError, <<~EOS
       The installation of #{f.name} has a dependency on #{dep.name} with a forbidden license #{dep_f.license}.
-    EOS
+      EOS
+    end
   end
+
 end
+
+
diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index c6a7318e6c..e7fa45da2b 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -148,6 +148,8 @@ class FormulaInstaller
   def prelude
     Tab.clear_cache
     verify_deps_exist unless ignore_deps?
+    Homebrew.forbidden_license_check(formula) unless ENV["HOMEBREW_FORBIDDEN_LICENSES"].blank?
+
     check_install_sanity
   end