#!/bin/bash
#
# Obnam test: backup and verify many generations of data.
#
# Copyright 2012-2014  Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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, see <http://www.gnu.org/licenses/>.

set -x

die()
{
    echo "$@" 1>&2
    exit 1
}

[ "$#" = 4 ] || die "Bad usage, read source!"

N="$1"
repourl="$2"
repopath="$3"
client="$4"
root="$(mktemp -d)"
log="$(mktemp)"
amount="1k"

conf="$(mktemp)"
cat <<EOF > "$conf"
[config]
client-name = $client
quiet = yes
log = $client.log
log-level = debug
trace = obnamlib, larch
repository = $repourl
root = $root
EOF

echo "Configuration:"
cat "$conf"
echo

echo "Making backups"
seq "$N" |
while read gen
do
    genbackupdata --quiet --create="$amount" "$root" --seed="$RANDOM"
    find "$root" -exec touch -d "1970-01-01 00:00:$gen" '{}' ';'
    ./verification-test backup "$repopath" "$root" "$conf" \
        >> "$client-verif.output" 2>&1 || exit 1
done || exit 1

echo "Verifying results"
while true
do
    ./verification-test verify "$repopath" "$root" "$conf"
    ret="$?"
    if [ "$ret" = 0 ]
    then
        break
    elif [ "$ret" != 42 ]
    then
        echo "$client failed verification" 1>&2
        exit 1
    fi
done || exit 1

rm -rf "$conf" "$root" "$log"