Update variables template generator for alpha4

1 files changed, 12 insertions, 3 deletions

diff --git a/tasks/updater/scss.rb b/tasks/updater/scss.rb
index 527ba03..939e09a 100644
--- a/tasks/updater/scss.rb
+++ b/tasks/updater/scss.rb
@@ -26,9 +26,18 @@ class Updater
 
       log_status 'Generating variable template file'
       save_file 'templates/project/_bootstrap-variables.scss',
-        "// Override Bootstrap variables here (defaults from bootstrap v#{upstream_version}):\n\n" +
-          File.read("#{save_to}/_variables.scss").lines[1..-1].join.gsub(/^(?=\$|\)|[ ]{2})/, '// ').gsub(/ !default/, '')
-
+                "// Override Bootstrap variables here (defaults from bootstrap v#{upstream_version}):\n" +
+                    File.read("#{save_to}/_variables.scss").
+                        # The instructions in the file header are replaced with the line above
+                        lines[4..-1].
+                        # Remove the _assert-ascending mixin definition and usages
+                        reject { |line| line.start_with?('@include _assert-ascending') }.
+                        join.
+                        gsub(/@mixin _assert-ascending.*?\n}\n/m, '').
+                        # Comment out the assignments
+                        gsub(/^(?=\$|\)|[ ]{2})/, '// ').
+                        # Remove the !default modifier
+                        gsub(/ !default/, '')
     end
   end
 end