Rclone sync script

rclone-sync

#!/bin/bash

# Set variables
SOURCE="${SOURCE}"
DESTINATION="${DESTINATION}"
IGNORE_FILE="${IGNORE_FILE}"
EXCLUDE_OPTIONS=""
PID=$$

# Check ignore file
if [ -z "$IGNORE_FILE" ]; then
    echo "IGNORE_FILE is not defined."
elif [ -f "$IGNORE_FILE" ]; then
    echo "Using: $IGNORE_FILE"
    EXCLUDE_OPTIONS="--exclude-from $IGNORE_FILE"
else
    echo "Ignore file not found: $IGNORE_FILE"
fi

# Maximum files to be deleted
LOGFILE="/tmp/rclone_${PID}.log"
MAX_DELETION=50

# Rclone dry run to count deletions
/usr/bin/rclone sync "$SOURCE" "$DESTINATION" --dry-run $EXCLUDE_OPTIONS > "$LOGFILE" 2>&1
DRY_RUN_EXIT_CODE=$?

if [ $DRY_RUN_EXIT_CODE -ne 0 ]; then
   echo "Dry-run failed: ${PID}"
   exit $DRY_RUN_EXIT_CODE
elif [ -f "$LOGFILE" ]; then
    echo "Dry run log: $LOGFILE"
else
    echo "Dry run log is missing."
    exit 1
fi

# File deletion limit check
DELETE_COUNT=$(grep -cEi "delete|remove" "$LOGFILE")
if [ $DELETE_COUNT -gt $MAX_DELETION ]; then
   echo "WARNING: Files to be deleted ($DELETE_COUNT) exceeds maximum of $MAX_DELETION."
   echo "Rclone sync operation aborted."
   exit 1 # delete check failed
else
   echo "Rclone sync delete count: ${DELETE_COUNT}"
   rm "$LOGFILE"
fi

# Rclone sync source and destination
/usr/bin/rclone sync "$SOURCE" "$DESTINATION" $EXCLUDE_OPTIONS -v --stats=60m

Verified and final version to manage Rclone sync.