#!/bin/sh
#
# Copyright (C) 2014  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.
#
#
# This is a "morph deploy" configuration extension to enable bash
# as default shell in gerrit systems.
set -e

ROOT="$1"

##########################################################################

set -e

# Set bash as default shell
ln -sfn "/bin/bash" "$ROOT/bin/sh"

###############################################################################
echo "Creating gerrit setup script"

cat << EOF > "$ROOT"/usr/local/share/gerrit/gerrit-setup
#!/bin/sh

# Add Admin Gerrit User
adduser -D -h /home/gerrit2 -g "Gerrit Administrator" -s /bin/sh gerrit2

# Copy Gerrit folder to the Gerrit Admin User Home
cp -r /usr/local/share/gerrit /home/gerrit2
chown -R "gerrit2:gerrit2" /home/gerrit2/gerrit

# Script to initialize Gerrit Code Review directory
# This will not start the Gerrit daemon.
su - gerrit2 -c "java -jar /home/gerrit2/gerrit/gerrit-2.9.war init --batch -d /home/gerrit2/gerrit/.gerrit_controller --no-auto-start"
EOF
chmod 0744 "$ROOT"/usr/local/share/gerrit/gerrit-setup

###############################################################################
echo "Creating gerrit-setup unit file"

cat << EOF > "$ROOT"/etc/systemd/system/gerrit-setup.service
[Unit]
Description=Setup Gerrit Code Review

ConditionPathExists=!/home/gerrit2/gerrit/.gerrit_controller

[Service]
User=root
Type=oneshot
Restart=no
ExecStart=/usr/local/share/gerrit/gerrit-setup

[Install]
WantedBy=multi-user.target
EOF

ln -sfn "/etc/systemd/system/gerrit-setup.service" \
  "$ROOT/etc/systemd/system/multi-user.target.wants/gerrit-setup.service"

###############################################################################
echo "Creating gerrit-daemon unit file"

cat << EOF > "$ROOT"/etc/systemd/system/gerrit-daemon.service
[Unit]
Description=Gerrit Code Review Server Service
Requires=gerrit-setup.service
After=gerrit-setup.service

ConditionPathExists=/home/gerrit2/gerrit/.gerrit_controller

[Service]
User=gerrit2
Group=gerrit2
Environment="PATH=/usr/bin:/bin"
ExecStart=/home/gerrit2/gerrit/.gerrit_controller/bin/gerrit.sh start

[Install]
WantedBy=multi-user.target
EOF
ln -sfn "/etc/systemd/system/gerrit-daemon.service" \
  "$ROOT/etc/systemd/system/multi-user.target.wants/gerrit-daemon.service"