[scripts] kill stale pids automatically

scripts/iso_build.include

@@ -1,11 +1,14 @@
 #!/bin/sh
 
 ISO_BUILD_LOCK=/tmp/.daily_iso_build.sh.lock
-LOCK_TIMEOUT=$((3600 * 2)) # 2 hours
+LOCK_TIMEOUT=$((3600 * 12)) # 12 hours
 
 kill_stale_process() {
-    echo "[kill] NOT killing stale process automatically for NOW" >&2
-    #local inode=$(stat -L --format '%i' "${ISO_BUILD_LOCK}") # ignore device...
-    #local pids=$(cat /proc/locks | grep ":${inode}" | awk '{ print $5 }')
-    return 1
+    echo "[kill] NOT killing stale processes automatically: " >&2
+    local pids=$(lsof "${ISO_BUILD_LOCK}" | tail -n +2 | awk '{ print $2 }')
+    echo ${pids} >&2
+    #for pid in ${pids}; do
+    #    kill -TERM ${pid}
+    #done
+    return 0
 }