From 272181e00db830735267ecf6cd6be1b7f7ca00ff Mon Sep 17 00:00:00 2001
From: Martin/Geno <geno+dev@fireorbit.de>
Date: Sat, 9 Mar 2019 00:09:45 +0100
Subject: [PATCH] handle system events

---
 .gitlab-ci.yml    |  3 ++-
 gitlab/main.go    | 21 +++++++++++++++++++++
 gitlab/request.go |  1 +
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f73e981..2bcb687 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -46,5 +46,6 @@ deploy:
     - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
     - eval $(ssh-agent -s)
     - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
+    - ssh -6 -o StrictHostKeyChecking=no -p $SSH_PORT "$CI_PROJECT_NAME@$SSH_HOST" sudo /usr/bin/systemctl stop $CI_PROJECT_NAME
     - scp -6 -o StrictHostKeyChecking=no -P $SSH_PORT "/go/bin/$CI_PROJECT_NAME" "$CI_PROJECT_NAME@$SSH_HOST":/opt/$CI_PROJECT_NAME/bin
-    - ssh -6 -o StrictHostKeyChecking=no -p $SSH_PORT "$CI_PROJECT_NAME@$SSH_HOST" sudo /usr/bin/systemctl restart $CI_PROJECT_NAME
+    - ssh -6 -o StrictHostKeyChecking=no -p $SSH_PORT "$CI_PROJECT_NAME@$SSH_HOST" sudo /usr/bin/systemctl start $CI_PROJECT_NAME
diff --git a/gitlab/main.go b/gitlab/main.go
index f889616..92f0b1b 100644
--- a/gitlab/main.go
+++ b/gitlab/main.go
@@ -1,6 +1,7 @@
 package gitlab
 
 import (
+	"encoding/json"
 	"fmt"
 
 	"net/http"
@@ -89,6 +90,26 @@ func init() {
 				err = libHTTP.Read(r, &pl)
 				msg = pl.String()
 
+			case SystemEvents:
+				var data map[string]interface{}
+				err = json.NewDecoder(r.Body).Decode(data)
+				if err != nil {
+					msg = fmt.Sprintf("unable to decode gitlab system event")
+				} else if event, ok := data["event_name"]; ok {
+					switch event {
+					case "push":
+						var pl PushEventPayload
+						err = libHTTP.Read(r, &pl)
+						msg = fmt.Sprintf("S > %s", pl.String())
+					default:
+						err = nil
+						msg = fmt.Sprintf("unknown gitlab system event '%s' received", event)
+					}
+				} else {
+					err = nil
+					msg = fmt.Sprintf("unable to get event_name of gitlab system event")
+				}
+
 			default:
 				err = nil
 				msg = fmt.Sprintf("unknown gitlab event '%s' received", gitLabEvent)
diff --git a/gitlab/request.go b/gitlab/request.go
index 56c354f..52608ca 100644
--- a/gitlab/request.go
+++ b/gitlab/request.go
@@ -19,6 +19,7 @@ const (
 	WikiPageEvents           Event = "Wiki Page Hook"
 	PipelineEvents           Event = "Pipeline Hook"
 	BuildEvents              Event = "Build Hook"
+	SystemEvents             Event = "System Hook"
 )
 
 type customTime struct {