nix: Make nix the root

Which means now I'll have to think about real prefixes in commit names.

unprocessed/termux/services/crond

@@ -0,0 +1,59 @@
+#!/data/data/com.termux/files/usr/bin/bash
+#
+# Start crond
+#
+
+PIDFILE="$HOME/.local/run/crond.pid"
+LOGFILE="$HOME/.local/log/crond.log"
+
+start() {
+    printf "Starting crond: "
+    start-stop-daemon -p "$PIDFILE" -x crond -S -b -m -- -f -L "$LOGFILE"
+    echo "OK"
+}
+
+stop() {
+    printf "Stopping crond: "
+    start-stop-daemon -p "$PIDFILE" -x crond -K
+    echo "OK"
+}
+
+status() {
+    printf "crond: "
+    PID="$(cat "$PIDFILE" 2> /dev/null)"
+    if [[ -n "$PID" && -d "/proc/$PID" ]]
+    then
+        echo "running"
+    else
+        echo "stopped"
+    fi
+}
+
+log() {
+    tail "$@" "$LOGFILE"
+}
+
+case "$1" in
+  start)
+    start
+    ;;
+  stop)
+    stop
+    ;;
+  restart|reload)
+    stop
+    start
+    ;;
+  status)
+    status
+    ;;
+  log)
+    shift
+    log "$@"
+    ;;
+  *)
+    echo "Usage: $0 {start|stop|restart|status|log}"
+    exit 1
+esac
+
+exit $?