1 files changed, 127 insertions, 0 deletions
diff --git a/gerrit.install b/gerrit.install
new file mode 100644
index 000000000000..31a93ce56189
--- /dev/null
+++ b/gerrit.install
@@ -0,0 +1,127 @@
+#!/bin/sh
+# vim:set ts=2 sw=2 et:
+
+## CHANGE the following two variables according to your preference
+##  /bin/true:  start/enable systemd service during installation
+##  /bin/false: do not touch systemd services, manually enable/start the service
+_service_start=/bin/false
+_service_enable=/bin/true
+
+_service_name=gerrit.service
+_service_username=gerrit
+_service_groupname=${_service_username}
+_service_install_dir=/var/lib/${_service_username}
+_service_cache_dir=
+_service_log_dir=/var/log/${_service_username}
+
+_set_dir_permissions() {
+  for d in "${_service_install_dir}" "${_service_cache_dir}"; do
+    [ -n "${d}" -a -d "${d}" ] && chown -R ${_service_username}:${_service_groupname} ${d}
+  done
+}
+
+# Test whether the system is running with systemd.
+_is_running_systemd() {
+  ps -p 1 | grep -q "systemd"
+}
+
+# Test whether the systemd service is enabled (presuming that systemd is running).
+_is_systemd_service_enabled() {
+  /usr/bin/systemctl is-enabled --quiet ${_service_name} 2>/dev/null
+}
+
+_stop_systemd_service() {
+  if `eval ${_service_start}`; then
+    /usr/bin/systemctl stop ${_service_name} 2>/dev/null
+  fi;
+  return 0;
+}
+
+_start_systemd_service() {
+  _is_running_systemd || return 0;
+  _is_systemd_service_enabled || return 0;
+  if `eval ${_service_start}`; then
+    /usr/bin/systemctl start ${_service_name};
+  fi;
+  return 0;
+}
+
+_disable_systemd_service() {
+  if `eval ${_service_enable}`; then
+    _is_systemd_service_enabled && /usr/bin/systemctl disable ${_service_name} 2>/dev/null
+  fi;
+  return 0;
+}
+
+# Install systemd service.
+_enable_systemd_service() {
+  _is_running_systemd || return 0;
+  _is_systemd_service_enabled && return 0;
+  if `eval ${_service_enable}`; then
+    /usr/bin/systemctl enable ${_service_name} 2>/dev/null
+  fi;
+  return 0;
+}
+
+_reload_systemd_service() {
+  _is_running_systemd || return;
+  /usr/bin/systemctl --system daemon-reload 2>/dev/null
+  return 0;
+}
+
+# arg 1:  the new package version
+pre_install() {
+  /bin/true
+}
+
+# arg 1:  the new package version
+post_install() {
+  getent passwd ${_service_username} > /dev/null || /usr/sbin/useradd --user-group --home-dir "${_service_install_dir}" --shell "/bin/bash" ${_service_username} &> /dev/null
+  _set_dir_permissions
+  _enable_systemd_service
+  _start_systemd_service
+  echo "    To initialize gerrit, see http://gerrit-documentation.googlecode.com/svn/Documentation/2.8/index.html"
+  echo "    To setup gerrit do:"
+  echo "      sudo su - gerrit"
+  echo "      java -jar /usr/share/java/gerrit/gerrit.war init -d /var/lib/gerrit"
+}
+
+# arg 1:  the new package version
+# arg 2:  the old package version
+pre_upgrade() {
+  _stop_systemd_service
+  _disable_systemd_service
+}
+
+# arg 1:  the new package version
+# arg 2:  the old package version
+post_upgrade() {
+  _set_dir_permissions
+  _enable_systemd_service
+  _reload_systemd_service
+  _start_systemd_service
+  echo "    To update gerrit, see http://gerrit-documentation.googlecode.com/svn/ReleaseNotes/ReleaseNotes-2.8.html"
+  echo "    To update gerrit do:"
+  echo "      sudo su - gerrit"
+  echo "      java -jar /usr/share/java/gerrit/gerrit.war init -d /var/lib/gerrit"
+}
+
+# arg 1:  the old package version
+pre_remove() {
+  _stop_systemd_service
+  _disable_systemd_service
+  return 0;
+}
+
+# arg 1:  the old package version
+post_remove() {
+  getent passwd ${_service_username} > /dev/null && /usr/sbin/userdel ${_service_username} &>/dev/null
+  for d in ${_service_cache_dir}; do
+    [ -n "${d}" -a -d "${d}" ] && rm -rf "${d}"
+  done
+  for d in ${_service_install_dir} ${_service_log_dir}; do
+    [ -n "${d}" -a -d "${d}" ] && echo ">>> directory ${d} needs to be removed manually"
+  done
+  return 0;
+}
+