#!/bin/bash
# Runs rclone for the publish job and says when it only got there on a retry.
#
#   nightly-rclone <rclone arguments...>
#
# rclone tries a failed transfer again by itself, and a run that passes on the
# second attempt looks like any other. This passes rclone's output and exit
# status through, and adds a warning for the run's page naming the files that
# failed on an earlier attempt.
set -uo pipefail
log=$(mktemp)
trap 'rm -f "$log"' EXIT
rclone "$@" 2>&1 | tee "$log"
status=${PIPESTATUS[0]}
files=$(sed -nE 's/^.*ERROR : (.*): Failed to copy: .*$/\1/p' "$log" | sort -u)
if [[ $status -eq 0 && -n $files ]]; then
  echo "::warning::rclone needed a retry for $(wc -l <<<"$files") file(s): $(paste -sd' ' <<<"$files")"
fi
exit "$status"