adding-help: commit prevent the use of semicolon

lib/feature/commit.rb

@@ -18,10 +18,15 @@ module Feature
       parts = parse_branch(current_branch)
 
       comment = argv.reject { |x| x == '-m' }.join(' ')
+      if comment.include? ";"
+        error "invalid character: ';'"
+      else
         comment = "#{parts[:feature]}: #{comment}"
-
         git_commit comment
       end
+
+
+    end
   end
 
 end