Merge pull request #8139 from Rylan12/bump-revision-fix

bump-revision: fixes for new style and license dsl

Library/Homebrew/dev-cmd/bump-revision.rb

@@ -42,9 +42,14 @@ module Homebrew
       end
 
       old = if formula.license
+        license_string = if formula.license.length > 1
+          formula.license
+        else
+          "\"#{formula.license.first}\""
+        end
         # insert replacement revision after license
         <<~EOS
-          license "#{formula.license}"
+          license #{license_string}
         EOS
       elsif formula.path.read.include?("stable do\n")
         # insert replacement revision after homepage
@@ -59,7 +64,7 @@ module Homebrew
       else
         # insert replacement revision after :revision
         <<~EOS
-          :revision => "#{formula_spec.specs[:revision]}"
+          revision: "#{formula_spec.specs[:revision]}"
         EOS
       end
       replacement = old + "  revision 1\n"