#!/bin/bash
# Copyright (C) 2012  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.

# Make sure "morph build" works anywhere in a workspace or system branch
# and produces the same results every time.

set -eu

source "$SRCDIR/scripts/fix-committer-info"

# Initialise the workspace.
cd "$DATADIR/workspace"
"$SRCDIR/scripts/test-morph" init

# Create a new local system branch.
"$SRCDIR/scripts/test-morph" branch test:morphs-repo branch1

# Edit linux.
"$SRCDIR/scripts/test-morph" edit linux-system linux-stratum linux

# Fix the UUIDs being used for the temporary refs.
git config -f "$DATADIR/workspace/branch1/.morph-system-branch/config" \
    branch.uuid 123456789
git config -f "$DATADIR/workspace/branch1/test:morphs-repo/.git/config" \
    morph.uuid 987654321
git config -f "$DATADIR/workspace/branch1/test:kernel-repo/.git/config" \
    morph.uuid AABBCCDDE

# Build the linux system from the system branch.
cd "$DATADIR/workspace"
"$SRCDIR/scripts/test-morph" build linux-system

# Verify that the right temporary refs were created.
echo "Refs of morphs repo after first build:"
"$SRCDIR/scripts/run-git-in" "$DATADIR/workspace/branch1/test:morphs-repo" \
    show-ref | cut -d' ' -f2
echo "Refs of kernel repo after first build:"
"$SRCDIR/scripts/run-git-in" "$DATADIR/workspace/branch1/test:kernel-repo" \
    show-ref | cut -d' ' -f2
echo

# Change the build ref prefix and build again.
cd "$DATADIR/workspace"
"$SRCDIR/scripts/test-morph" --build-ref-prefix=newprefix build linux-system

# Verify that the right temporary refs were created.
echo "Refs of morphs repo after second build:"
"$SRCDIR/scripts/run-git-in" "$DATADIR/workspace/branch1/test:morphs-repo" \
    show-ref | cut -d' ' -f2
echo "Refs of kernel repo after second build:"
"$SRCDIR/scripts/run-git-in" "$DATADIR/workspace/branch1/test:kernel-repo" \
    show-ref | cut -d' ' -f2