From aa166d81abc3be5eb8949cc309755a22c0581c5e Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 28 Sep 2022 13:59:58 +0200
Subject: bin/check-mirrors: use lock file to only run once without parameters
 at the same time

---
 bin/check-mirrors | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'bin/check-mirrors')

diff --git a/bin/check-mirrors b/bin/check-mirrors
index 8e782d5..d0b626c 100755
--- a/bin/check-mirrors
+++ b/bin/check-mirrors
@@ -5,6 +5,14 @@
 
 if [ $# -eq 0 ]; then
 
+# Create a lock file.
+
+  exec 9> "${check_mirrors_lock_file}"
+  if ! verbose_flock 9; then
+    >&2 echo 'come back (shortly) later - I cannot lock check-mirrors.'
+    exit
+  fi
+
   echo 'updating mirrors from git...' >&2
 
   if [ -d "${releng_directory}/.git" ]; then
-- 
cgit v1.2.3-54-g00ecf