From c18a273b4ad49cfba0bf932e6748c0e16a2ad06f Mon Sep 17 00:00:00 2001
From: pjsier <pjsier@gmail.com>
Date: Wed, 28 Dec 2022 18:30:25 -0600
Subject: [PATCH] Log message to stderr if LOG_FILE is not writable

Co-authored-by: Helmut K. C. Tessarek <tessarek@evermeet.cx>
---
 src/config.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/config.rs b/src/config.rs
index 2dcc87e7..b21666f6 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -690,6 +690,12 @@ fn validate_config(cfg: &ConfigItems) -> Result<(), Error> {
         }
     }
 
+    if let Some(log_file) = &cfg.log_file {
+        if std::fs::OpenOptions::new().append(true).create(true).open(log_file).is_err() {
+            err!("Unable to write to log file", log_file);
+        }
+    }
+
     let dom = cfg.domain.to_lowercase();
     if !dom.starts_with("http://") && !dom.starts_with("https://") {
         err!(