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#!/bin/sh -e
. /lib/preseed/preseed.sh
while true; do
case "$1" in
-C)
LOOKUP_CHECKSUM=1
;;
-*)
# eat options starting with a -, so we can pass them on
OPTS="$OPTS $1"
;;
*)
break
;;
esac
shift
done
src="$1" ; shift
dst="$1" ; shift
if [ "$LOOKUP_CHECKSUM" = 1 ] ; then
# this is yet to be written, so leave room for dropping it into place during preseeding
if [ -x /bin/preseed_lookup_checksum ] ; then
# "$@" should be empty, but we might as well pass it in, so that we can pass it back out if need be
set -- $(/bin/preseed_lookup_checksum "$src" "$@")
else
log "error fetching \"$src\": -C specified, but there is no /bin/preseed_lookup_checksum executable"
error retrieve_error "$src"
fi
fi
last=/var/run/preseed.last_location
url=$(make_absolute_url "$src" "$(test -r $last && cat $last)")
fetch-url $OPTS "$url" "$dst" "$@"
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