add stuff

root/scripts/tv/root_loop.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+# /3rd_rw/appdata/root_loop.sh
+# Root command loop. One instance per boot (boot_id lock).
+# Write /3rd_rw/appdata/root_cmd.sh; read /3rd_rw/appdata/root_out.txt.
+PATH=/bin:/sbin:/usr/bin:/usr/sbin:/basic/bin
+export PATH
+
+BID=""
+[ -r /proc/sys/kernel/random/boot_id ] && BID=$(cat /proc/sys/kernel/random/boot_id 2>/dev/null)
+[ -z "$BID" ] && BID=0
+LOCK="/3rd_rw/appdata/root_loop.lock.$BID"
+mkdir "$LOCK" 2>/dev/null || exit 0
+
+echo "$$" > /3rd_rw/appdata/root_loop.pid
+echo "loop started $$ $BID" > /3rd_rw/appdata/root_loop.log
+
+while true; do
+  if [ -f /3rd_rw/appdata/root_cmd.sh ]; then
+    mv /3rd_rw/appdata/root_cmd.sh /3rd_rw/appdata/root_cmd.run
+    /bin/sh /3rd_rw/appdata/root_cmd.run > /3rd_rw/appdata/root_out.txt 2>&1
+    echo "rc=$?" >> /3rd_rw/appdata/root_out.txt
+    mv /3rd_rw/appdata/root_cmd.run /3rd_rw/appdata/root_cmd.done
+  fi
+  sleep 1
+done