fix cron after first run + add hc

scripts/minio_uploader.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -u
+
 # Create rclone config on-the-fly in a writable location
 RCLONE_CONFIG_DIR="/tmp/rclone"
 mkdir -p "$RCLONE_CONFIG_DIR"
@@ -16,18 +18,28 @@ region = $MINIO_LOCATION
 acl = private
 no_check_bucket = true
 EOF
+chmod 600 "$RCLONE_CONFIG"
 
-case $1 in
+# All commands take full remote paths; callers own the path building.
+case "${1:-}" in
 	copy)
 		echo "copy from $2 to $3"
-		rclone copy --progress $2 $3
+		rclone copy --stats-one-line --retries 3 "$2" "$3"
 	;;
 	list)
-		echo "list ${MINIO_PATH}/$2"
-		rclone ls ${MINIO_PATH}/$2
+		echo "list $2" >&2
+		rclone ls "$2"
+	;;
+	size)
+		# bytes of a single remote object, empty output if it does not exist
+		rclone lsf --format s "$2" 2>/dev/null
 	;;
 	delete)
-		echo "delete ${MINIO_PATH}/$2"
-		rclone delete ${MINIO_PATH}/$2
+		echo "delete $2"
+		rclone deletefile "$2"
+	;;
+	*)
+		echo "usage: $0 {copy SRC DST|list PATH|size FILE|delete FILE}" >&2
+		exit 2
 	;;
 esac