#!/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"

#NB: -r is number of retries, at 8 second intervals
if lockfile -r 900 "$MIRRORDIR/.locks/$scriptname"; then
    date +"Received lock: %c"
    (. fetch-scripts/"$scriptname") && :
    exitstatus=$?
    rm -f "$MIRRORDIR/.locks/$scriptname"
else
    exit 1
fi

date +"Done: %c"
exit $exitstatus