From ff630809a1726ac993b35c1ea95e4f6f5f849467 Mon Sep 17 00:00:00 2001
From: Pat Riehecky <riehecky@fnal.gov>
Date: Mon, 29 Jul 2024 14:17:36 -0500
Subject: [PATCH] If the lock file tracks a non-real process clean it up

---
 files/os_patching_fact_generation.sh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/files/os_patching_fact_generation.sh b/files/os_patching_fact_generation.sh
index 8b1568f..d05db46 100644
--- a/files/os_patching_fact_generation.sh
+++ b/files/os_patching_fact_generation.sh
@@ -11,8 +11,15 @@ trap "{ rm -f $LOCKFILE ; exit 255; }" 2 3 15
 
 if [ -f "$LOCKFILE" ]
 then
-  echo "Locked, exiting" >&2
-  exit 0
+  ps -fp $(cat "$LOCKFILE") >/dev/null
+  if [ $? -eq 0 ]
+  then
+    PID=$(cat "$LOCKFILE")
+    echo "Locked, by pid ${PID} exiting" >&2
+    exit 0
+  else
+    echo "$$" > $LOCKFILE
+  fi
 else
   echo "$$" > $LOCKFILE
 fi