#!/bin/sh
#
# Copyright (C) 2012-2013  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.


## "morph merge" should deal with stratum renames; currently it doesn't deal
## very well, but at least we don't crash.

set -eu

# Create system branch.
cd "$DATADIR/workspace"
"$SRCDIR/scripts/test-morph" init
"$SRCDIR/scripts/test-morph" branch test:morphs baserock/newbranch

# The user may 'morph edit hello-system hello-stratum hello' and commit here:
# we currently silently ignore her changes on merge, because we don't
# associate hello-stratum and goodbye-stratum at all.

# Rename the stratum
"$SRCDIR/scripts/test-morph" edit hello-system hello-stratum
cd baserock/newbranch/test:morphs

sed -e 's/"morph": "hello-stratum"/"morph": "goodbye-stratum"/'\
    -i hello-system.morph
sed -e 's/"name": "hello-stratum"/"name": "goodbye-stratum"/' \
    hello-stratum.morph > goodbye-stratum.morph
git rm -q hello-stratum.morph
git add goodbye-stratum.morph
git commit -q --all -m "Rename hello-stratum to goodbye-stratum"

# The user may 'morph edit hello-system goodbye-stratum hello' and commit
# here, too: same problem.

# Merge changes back to master (this should fail, because we don't support
# adding strata inside branches yet).
cd "$DATADIR/workspace"
"$SRCDIR/scripts/test-morph" checkout test:morphs master
cd master
"$SRCDIR/scripts/test-morph" merge baserock/newbranch