git init

run_sync.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+# Cron wrapper: runs the mirror sync and keeps its log from growing unbounded
+# on the Pi's SD card. All output goes to the log, so cron stays silent.
+set -u
+
+DIR="$(dirname "$(readlink -f "$0")")"
+LOG="$DIR/sync.log"
+
+/usr/bin/python3 "$DIR/sync_mirrors.py" >>"$LOG" 2>&1
+status=$?
+
+if [ -f "$LOG" ] && [ "$(wc -l <"$LOG")" -gt 2000 ]; then
+    tail -n 1000 "$LOG" >"$LOG.tmp" && mv "$LOG.tmp" "$LOG"
+fi
+
+exit $status