take into account ENV var for snapshots

crontab

@@ -1,2 +1,2 @@
 # run once every 5 days or so
-0 23 2-27/5 * * finplan /code/snapshot.sh
+0 23 2-27/5 * * finplan cd /tmp && ENV="production" /code/snapshot.sh

snapshot.sh

@@ -1,6 +1,10 @@
 #!/bin/bash
 
-DB_FILE="finance.db"
+if [ "$ENV" == "production" ]; then
+    DB_FILE="/data/finance.db"
+else
+    DB_FILE="./finance.db"
+fi
 HISTORY_TABLE="finance_history"
 # Current date in the format you've been using
 DATE_STR=$(date +%Y-%m-%d)