From ba423a428ff8279b508951efdc20d1206c1f14c1 Mon Sep 17 00:00:00 2001
From: Vince Reuter <vince.reuter@gmail.com>
Date: Sun, 18 Feb 2024 15:08:48 +0100
Subject: [PATCH] check that logfile for logger doesn't match manager's own
 logfile; #212

---
 pypiper/manager.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pypiper/manager.py b/pypiper/manager.py
index 7473d97..6cae014 100644
--- a/pypiper/manager.py
+++ b/pypiper/manager.py
@@ -214,6 +214,10 @@ def __init__(
 
         # Set up logger
         logger_kwargs = logger_kwargs or {}
+        if logger_kwargs.get("logfile") == self.pipeline_log_file:
+            raise ValueError(
+                f"The logfile given for the pipeline manager's logger matches that which will be used by the manager itself: {self.pipeline_log_file}"
+            )
         default_logname = ".".join([__name__, self.__class__.__name__, self.name])
         self._logger = None
         if args: