hook: fix email not sent after push (#4430)

Turns out mail service was not initialized at all, also mail must
be sent in sync in hook mode before program exits.

1 files changed, 10 insertions, 0 deletions

diff --git a/cmd/hook.go b/cmd/hook.go
index 0ff4a1c6..f8b96970 100644
--- a/cmd/hook.go
+++ b/cmd/hook.go
@@ -11,6 +11,7 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"path"
 	"path/filepath"
 	"strings"
 
@@ -22,7 +23,9 @@ import (
 
 	"github.com/gogits/gogs/models"
 	"github.com/gogits/gogs/pkg/httplib"
+	"github.com/gogits/gogs/pkg/mailer"
 	"github.com/gogits/gogs/pkg/setting"
+	"github.com/gogits/gogs/pkg/template"
 	http "github.com/gogits/gogs/routes/repo"
 )
 
@@ -184,6 +187,13 @@ func runHookPostReceive(c *cli.Context) error {
 	}
 	setup(c, "hooks/post-receive.log", true)
 
+	// Post-receive hook does more than just gather Git information,
+	// so we need to setup additional services for email notifications.
+	setting.NewPostReceiveHookServices()
+	mailer.NewContext()
+	mailer.InitMailRender(path.Join(setting.StaticRootPath, "templates/mail"),
+		path.Join(setting.CustomPath, "templates/mail"), template.NewFuncMap())
+
 	isWiki := strings.Contains(os.Getenv(http.ENV_REPO_CUSTOM_HOOKS_PATH), ".wiki.git/")
 
 	buf := bytes.NewBuffer(nil)