drone.patch

diff --git a/cmd/drone-server/inject_client.go b/cmd/drone-server/inject_client.go
index ad8cda37..93197b5f 100644
--- a/cmd/drone-server/inject_client.go
+++ b/cmd/drone-server/inject_client.go
@@ -180,8 +180,13 @@ func provideGitlabClient(config config.Config) *scm.Client {
 	}
 	client.Client = &http.Client{
 		Transport: &oauth2.Transport{
-			Source: oauth2.ContextTokenSource(),
-			Base:   defaultTransport(config.GitLab.SkipVerify),
+			Source: &oauth2.Refresher{
+				ClientID:     config.GitLab.ClientID,
+				ClientSecret: config.GitLab.ClientSecret,
+				Endpoint:     strings.TrimSuffix(config.GitLab.Server, "/") + "/oauth/token",
+				Source:       oauth2.ContextTokenSource(),
+			},
+			Base: defaultTransport(config.GitLab.SkipVerify),
 		},
 	}
 	return client
diff --git a/cmd/drone-server/inject_login.go b/cmd/drone-server/inject_login.go
index 4360246b..106c7421 100644
--- a/cmd/drone-server/inject_login.go
+++ b/cmd/drone-server/inject_login.go
@@ -15,6 +15,8 @@
 package main
 
 import (
+	"strings"
+
 	"github.com/drone/drone/cmd/drone-server/config"
 	"github.com/drone/go-login/login"
 	"github.com/drone/go-login/login/bitbucket"
@@ -25,7 +27,6 @@ import (
 	"github.com/drone/go-login/login/gogs"
 	"github.com/drone/go-login/login/stash"
 	"github.com/drone/go-scm/scm/transport/oauth2"
-	"strings"
 
 	"github.com/google/wire"
 	"github.com/sirupsen/logrus"
@@ -205,6 +206,14 @@ func provideRefresher(config config.Config) *oauth2.Refresher {
 			Source:       oauth2.ContextTokenSource(),
 			Client:       defaultClient(config.Gitee.SkipVerify),
 		}
+	case config.GitLab.ClientID != "":
+		return &oauth2.Refresher{
+			ClientID:     config.GitLab.ClientID,
+			ClientSecret: config.GitLab.ClientSecret,
+			Endpoint:     strings.TrimSuffix(config.GitLab.Server, "/") + "/oauth/token",
+			Source:       oauth2.ContextTokenSource(),
+			Client:       defaultClient(config.GitLab.SkipVerify),
+		}
 
 	}
 	return nil