minor bugfix: protect call to BufferManager#flash on hook error

diff --git a/lib/sup/hook.rb b/lib/sup/hook.rb
index 98fcf57bec51116ea85ba265a8117af868bbd1af..74ecfabefc6e69da993b203bbe2e4f717299ce38 100644 (file)
--- a/lib/sup/hook.rb
+++ b/lib/sup/hook.rb
@@ -86,7 +86,7 @@ class HookManager
       log "error running hook: #{e.message}"
       log e.backtrace.join("\n")
       @hooks[name] = nil # disable it
-      BufferManager.flash "Error running hook: #{e.message}"
+      BufferManager.flash "Error running hook: #{e.message}" if BufferManager.instantiated?
     end
     context.__cleanup
     result