From f94d3db5ce16236141d1e0a333b06155bd749680 Mon Sep 17 00:00:00 2001
From: Andrew Ekstedt <andrew.ekstedt@gmail.com>
Date: Thu, 30 Nov 2023 04:53:50 +0000
Subject: [PATCH] cron job tweaks

---
 cron.sh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cron.sh b/cron.sh
index 53a7f92..3c3585d 100755
--- a/cron.sh
+++ b/cron.sh
@@ -1,6 +1,9 @@
 #!/bin/bash
 set -euo pipefail
 
+# install me in your crontab!
+# 0 5 1-25 12 *     $HOME/adventofcode2023/cron.sh auto
+
 year=2023
 root=~/adventofcode${year}
 
@@ -40,7 +43,11 @@ if test -e "$dir"; then
     exit 1
 fi
 
-cwd=${PWD:-`pwd`}
+if ! test -e "$root/cookie"; then
+    echo >&2 "warning: cookiefile '$root/cookie' not found. consider creating it"
+fi
+
+cwd=${PWD:-$(pwd)}
 mkdir "$dir"
 cd "$dir" || exit 1