#!/bin/bash
#
# Copyright (C) 2011-2013  Codethink Limited
#
# 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; version 2 of the License.
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


## Handle target disk image being too small for its contents.

set -eu

. "$SRCDIR/tests.as-root/lib"

# Shrink linux-system to the minimum btrfs will allow.
cd "$DATADIR/morphs"
sed -e 's/system-kind: syslinux-disk/system-kind: disk/' \
    -e 's/disk-size: 1G/disk-size: 512M/' \
    -i linux-system.morph
git add linux-system.morph
git commit -q -m "Make linux-system as small as possible"

# Grow hello-chunk to be absurdly large.
cd "$DATADIR/chunk-repo"
git checkout -q farrokh
cat <<'EOF' > hello.morph
{
    "name": "hello",
    "kind": "chunk",
    "build-system": "dummy",
    "install-commands": [
        "dd if=/dev/zero of=\"$DESTDIR\"/huge-file seek=1048580 count=0"
    ]
}
EOF
git add hello.morph
git commit -q -m "Make hello be very big"

# Ignore stdout - Morph logs a timestamped error
"$SRCDIR/scripts/test-morph" build-morphology test:morphs master linux-system \
    > /dev/null