Ticket #68: dohttp.6

#!/bin/bash
# vim: set sw=4 sts=4 et :

# Copyright (c) 2006, 2007 Ciaran McCreesh <ciaranm@ciaranm.org>
#
# This file is part of the Paludis package manager. Paludis is free software;
# you can redistribute it and/or modify it under the terms of the GNU General
# Public License, version 2, as published by the Free Software Foundation.
#
# Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place, Suite 330, Boston, MA  02111-1307  USA

export PATH="$(${PALUDIS_EBUILD_DIR}/utils/canonicalise ${PALUDIS_EBUILD_DIR}/utils/ ):${PATH}"
source ${PALUDIS_EBUILD_DIR}/echo_functions.bash

# If this is tarball sync, we don't need getdelta (at the moment)
if [[ -z "${PN}" ]]; then
    unset USE_GETDELTA
fi

if [[ -n "${PALUDIS_USE_SAFE_RESUME}" ]] ; then
    if [[ -f "${2}.-PARTIAL-" ]] ; then
        if [[ $(getfsize "${2}".-PARTIAL- ) -ge 123456 ]] ; then
            einfo_unhooked "Attempting resume using ${2}.-PARTIAL-"
        else
            einfo_unhooked "Not attempting resume using ${2}.-PARTIAL- (too small)"
            echo rm -f "${2}".-PARTIAL-
            rm -f "${2}".-PARTIAL-
        fi
    fi

    if [ "$USE_GETDELTA" == "yes" ]; then
        echo /usr/bin/getdelta-paludis.sh "${1}" 1>&2
        if /usr/bin/getdelta-paludis.sh "${1}" ; then
            echo mv -f "${2}".-PARTIAL- "${2}"
            mv -f "${2}".-PARTIAL- "${2}" >&/dev/null
            exit 0
        else
            rm -f "${2}"
            exit 1
        fi
    else
        echo ${WGET_WRAPPER} ${LOCAL_WGET:-wget} ${EXTRA_WGET} -T 30 -t 1 --continue -O "${2}".-PARTIAL- "${1}" 1>&2
        if ${WGET_WRAPPER} ${LOCAL_WGET:-wget} ${EXTRA_WGET} -T 30 -t 1 --continue -O "${2}".-PARTIAL- "${1}" ; then
            echo mv -f "${2}".-PARTIAL- "${2}"
            mv -f "${2}".-PARTIAL- "${2}"
            exit 0
        else
            rm -f "${2}"
            exit 1
        fi
    fi
else
    if [ "$USE_GETDELTA" == "yes" ]; then
        echo /usr/bin/getdelta.sh "${1}" 1>&2
        if /usr/bin/getdelta.sh "${1}" ; then
            exit 0
        else
            rm -f "${2}"
            exit 1
        fi
    else
        echo ${WGET_WRAPPER} ${LOCAL_WGET:-wget} ${EXTRA_WGET} -T 30 -t 1 -O "${2}" "${1}" 1>&2
        if ${WGET_WRAPPER} ${LOCAL_WGET:-wget} ${EXTRA_WGET} -T 30 -t 1 -O "${2}" "${1}" ; then
            exit 0
        else
            rm -f "${2}"
            exit 1
        fi
    fi
fi