#!/bin/bash

set -e

. ./OPTIONS.sh

scriptname=$1
shift

if [ -z "$scriptname" ]; then
    echo "Run with a fetch script as an argument:"
    (cd fetch-scripts && ls)
    exit 1
fi

if ! [ -e fetch-scripts/"$scriptname" ]; then
    echo "Unknown fetch script $scriptname"
    exit 1
fi

echo "Logging the rsync version used"
rsync --version

date +"Starting $scriptname: %c"

# Use flock(1) in exclusive mode, waiting up to 5 minutes.
(
    flock -x -w 300 200 || exit 1
    date +"Received lock: %c"
    (. fetch-scripts/"$scriptname") && :
    exit $?
) 200>"$MIRRORDIR/.locks/$scriptname"

exitstatus=$?
date +"Done: %c"
if [[ $exitstatus -eq 25 ]]; then
    echo "Error code $exitstatus ignored."
    exit 0
fi
exit $exitstatus