#!/bin/sh
# -*- coding:utf-8;mode:shell-script;mode:font-lock -*-

##
# Recover a directory bundle in which .svn turds got munched.
##
# Copyright (c) 2002 Wilfredo Sanchez Vega <wsanchez@wsanchez.net>.
# All rights reserved.
#
# Permission to use, copy, modify, and distribute this software for
# any purpose with or without fee is hereby granted, provided that the
# above copyright notice, this permission, and the following
# disclaimer notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
# AUTHORS BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
##

set -e
set -u

for target; do
    # Move target aside
    tmp=$(mktemp -d "${target}.tmp.XXX");
    dst="${tmp}/$(basename "${target}")";
    mv "${target}" "${dst}";

    # Update the target to refetch .svn turds
    # FIXME: This really should dupdate to the revision we had, but how?
    svn cleanup
    svn update "${target}";

    # Move .svn turds to set-aside target
    for turd in $(cd "${target}" && find . -type d -name .svn | sed 's|^./||'); do
        parent=$(dirname "${turd}");
        mkdir -p "${dst}/${parent}";
        cp -Rp "${target}/${turd}" "${dst}/${parent}";
    done;

    # Remove the updated target and move the set-aside back
    rm -rf "${target}";
    mv "${dst}" "${target}";
    rm -rf "${tmp}";
done;