Small patch that extends the 'fail' method to show the task stack at
the moment of the error. It has helped me a lot when debugging
complicated rakefiles.
--- rake-org.rb 2008-04-23 12:41:49.312849649 +0200
+++ rake.rb 2008-04-23 14:35:05.208844714 +0200
@@ -236,6 +236,17 @@
end
end # class String
+
+######################################################################
+# Enhance 'fail' method to give a task-stack dump
+#
+$task_stack = []
+alias original_fail fail
+def fail(msg)
+ msg += "\n\t" + $task_stack.reverse.join(' <- ') if not $task_stack.empty?
+ original_fail msg
+end
+
##############################################################################
module Rake
@@ -504,8 +515,10 @@
end
return if @already_invoked
@already_invoked = true
+ $task_stack << name
invoke_prerequisites(task_args, new_chain)
execute(task_args) if needed?
+ $task_stack.pop
end
end
protected :invoke_with_call_chain
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