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#!/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.


# Create strata outside the main morphologies repository, which is useful
# for the more complex workflow tests.


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

create_chunk() {
    REPO="$1"
    NAME="$2"

    mkdir "$1"
    ln -s "$1" "$1.git"
    cd "$1"

    cat <<EOF > "$1/$2.morph"
{
    "name": "$2",
    "kind": "chunk",
    "build-system": "dummy"
}
EOF

    git init --quiet
    git add  .
    git commit --quiet -m "Initial commit"
}

write_stratum_morph() {
    REPO="$1"
    NAME="$2"

cat <<EOF > "$1/$2.morph"
{
    "name": "$2",
    "kind": "stratum",
    "chunks": [
        {
            "name": "hello",
            "repo": "test:$2-hello",
            "ref": "master",
            "build-mode": "test",
            "build-depends": []
        }
    ]
}
EOF
}

# Create two more strata outside the test:morphs repository

EXTERNAL_STRATA_REPO="$DATADIR/external-strata"
mkdir "$EXTERNAL_STRATA_REPO"
ln -s "$EXTERNAL_STRATA_REPO" "$EXTERNAL_STRATA_REPO".git
cd "$EXTERNAL_STRATA_REPO"

git init --quiet .

write_stratum_morph "$EXTERNAL_STRATA_REPO" "stratum2"
write_stratum_morph "$EXTERNAL_STRATA_REPO" "stratum3"

git add .
git commit --quiet -m "Initial commit"

# To make life harder, both chunks have the same name too

create_chunk "$DATADIR/stratum2-hello" "hello"
create_chunk "$DATADIR/stratum3-hello" "hello"

# Update hello-system to include them ... using a system branch! Since the
# strata refs are 'master' not 'me/add-external-strata' this does not cause
# problems with merging.

cd "$DATADIR/workspace"
"$SRCDIR/scripts/test-morph" init
"$SRCDIR/scripts/test-morph" branch test:morphs me/add-external-strata

cd "$DATADIR/workspace/me/add-external-strata/test:morphs"

cat <<EOF > "hello-system.morph"
{
    "name": "hello-system",
    "kind": "system",
    "arch": "x86_64",
    "strata": [
        {
            "morph": "hello-stratum",
            "repo": "test:morphs",
            "ref": "master"
        },
        {
            "morph": "stratum2",
            "repo": "test:external-strata",
            "ref": "master"
        },
        {
            "morph": "stratum3",
            "repo": "test:external-strata",
            "ref": "master"
        }
    ]
}
EOF
git commit --quiet --all -m "Add two more external strata"

# Merge to master
cd "$DATADIR/workspace"
"$SRCDIR/scripts/test-morph" checkout test:morphs master
cd master/test:morphs
"$SRCDIR/scripts/test-morph" merge me/add-external-strata

# In reality the user would do: 'git push origin master' here,
# but since our remote repo is non-bare we must cheat a bit.
# We should consider a separate fixture for the workflow tests.
cd "$DATADIR/morphs"
git pull -q \
    "file://$DATADIR/workspace/master/test:morphs" master

cd "$DATADIR/workspace"