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#!/usr/bin/env bash
set -eEuo pipefail
usage() {
cat <<'EOF'
Usage:
grab.sh -l <download_link> -r <rclone_remote> -u <upload_dir> -n <ntfy_topic> [options]
Required args:
-l, --link Direct download link for aria2c
-r, --remote Rclone remote name (example: gdrive)
-u, --upload-dir Destination directory on the remote (example: Movies/2026)
-n, --ntfy-topic ntfy topic to publish notifications to
Optional args:
-s, --ntfy-server ntfy server base URL (default: https://ntfy.sh)
--ntfy-token Bearer token for ntfy auth (or set NTFY_TOKEN env var)
-i, --item-name Name to include in notification titles/messages
-d, --delete-after Delete downloaded files after a successful upload
-h, --help Show this help message
Examples:
grab.sh -l "https://example.com/file.mkv" -r gdrive -u "Incoming" -n "my-topic" -i "Movie Night"
grab.sh --link "https://example.com/file.zip" --remote myremote --upload-dir "Backups/zips" --ntfy-topic "alerts" --delete-after --item-name "Backup Zip"
EOF
}
DOWNLOAD_LINK=""
RCLONE_REMOTE=""
UPLOAD_DIR=""
NTFY_TOPIC=""
NTFY_SERVER="https://ntfy.sh"
NTFY_TOKEN="${NTFY_TOKEN:-}"
ITEM_NAME=""
DELETE_AFTER="false"
CURRENT_STEP="initializing"
TMP_DIR=""
send_ntfy() {
local title="$1"
local message="$2"
local priority="${3:-default}"
local tags="${4:-}"
local url="${NTFY_SERVER%/}/${NTFY_TOPIC}"
local final_title="$title"
local final_message="$message"
if [[ -n "$ITEM_NAME" ]]; then
final_title="${ITEM_NAME} - ${title}"
final_message="Item: ${ITEM_NAME}\n${message}"
fi
local -a headers
headers=(
-H "Title: ${final_title}"
-H "Priority: ${priority}"
)
if [[ -n "$tags" ]]; then
headers+=( -H "Tags: ${tags}" )
fi
if [[ -n "$NTFY_TOKEN" ]]; then
headers+=( -H "Authorization: Bearer ${NTFY_TOKEN}" )
fi
if ! curl -fsS -m 15 -X POST "${headers[@]}" -d "$final_message" "$url" >/dev/null; then
echo "Warning: failed to publish ntfy notification (${title})." >&2
fi
}
on_error() {
local exit_code="$1"
local line_no="$2"
send_ntfy \
"grab.sh failed" \
"Step: ${CURRENT_STEP}\nExit code: ${exit_code}\nLine: ${line_no}" \
"high" \
"x,warning"
if [[ "$DELETE_AFTER" == "true" && -n "$TMP_DIR" && -d "$TMP_DIR" ]]; then
rm -rf "$TMP_DIR"
fi
}
while [[ $# -gt 0 ]]; do
case "$1" in
-l|--link)
DOWNLOAD_LINK="${2:-}"
shift 2
;;
-r|--remote)
RCLONE_REMOTE="${2:-}"
shift 2
;;
-u|--upload-dir)
UPLOAD_DIR="${2:-}"
shift 2
;;
-n|--ntfy-topic)
NTFY_TOPIC="${2:-}"
shift 2
;;
-s|--ntfy-server)
NTFY_SERVER="${2:-}"
shift 2
;;
--ntfy-token)
NTFY_TOKEN="${2:-}"
shift 2
;;
-i|--item-name)
ITEM_NAME="${2:-}"
shift 2
;;
-d|--delete-after)
DELETE_AFTER="true"
shift
;;
-h|--help)
usage
exit 0
;;
*)
echo "Unknown argument: $1" >&2
usage
exit 1
;;
esac
done
if [[ -z "$DOWNLOAD_LINK" || -z "$RCLONE_REMOTE" || -z "$UPLOAD_DIR" || -z "$NTFY_TOPIC" ]]; then
echo "Error: missing required arguments." >&2
usage
exit 1
fi
for cmd in aria2c rclone mktemp find curl; do
if ! command -v "$cmd" >/dev/null 2>&1; then
echo "Error: required command '$cmd' is not installed or not in PATH." >&2
exit 1
fi
done
trap 'on_error $? $LINENO' ERR
TMP_DIR="$(mktemp -d -p "$PWD" "grab.XXXXXX")"
DESTINATION="${RCLONE_REMOTE}:${UPLOAD_DIR%/}"
CURRENT_STEP="job-start"
CURRENT_STEP="download"
echo "Downloading with aria2c..."
send_ntfy "Download started" "Starting aria2c download." "default" "arrow_down"
aria2c \
--dir "$TMP_DIR" \
--auto-file-renaming=false \
--allow-overwrite=true \
"$DOWNLOAD_LINK"
CURRENT_STEP="verify-download"
if ! find "$TMP_DIR" -mindepth 1 -print -quit >/dev/null 2>&1; then
send_ntfy "Download empty" "Download directory is empty; upload aborted." "high" "warning"
echo "Error: download appears empty; nothing to upload." >&2
exit 1
fi
CURRENT_STEP="upload"
echo "Uploading to ${DESTINATION}..."
send_ntfy "Upload started" "Starting rclone copy to ${DESTINATION}." "default" "arrow_up"
rclone copy "$TMP_DIR" "$DESTINATION" --progress
send_ntfy "Upload complete" "rclone upload finished successfully." "default" "white_check_mark"
if [[ "$DELETE_AFTER" == "true" ]]; then
CURRENT_STEP="cleanup"
rm -rf "$TMP_DIR"
echo "Downloaded files deleted from: $TMP_DIR"
else
echo "Downloaded files kept at: $TMP_DIR"
fi
CURRENT_STEP="done"
echo "Done. Downloaded from '$DOWNLOAD_LINK' and uploaded to '$DESTINATION'."
send_ntfy "grabar done" "All steps completed successfully." "default" "tada"
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