From 5246d1a20e9a9d418f196ae70653db2ea1f4f809 Mon Sep 17 00:00:00 2001
From: Max H <10329648+8ear@users.noreply.github.com>
Date: Wed, 9 Oct 2019 09:18:39 +0200
Subject: [PATCH] Update email.go

Added SubjectTag as variable
---
 pkg/notifications/email.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkg/notifications/email.go b/pkg/notifications/email.go
index b5ef979..ef6b3d7 100644
--- a/pkg/notifications/email.go
+++ b/pkg/notifications/email.go
@@ -24,7 +24,7 @@ const (
 // We work around that by holding on to log entries until the update cycle is done.
 type emailTypeNotifier struct {
 	From, To               string
-	Server, User, Password string
+	Server, User, Password, SubjectTag string
 	Port                   int
 	tlsSkipVerify          bool
 	entries                []*log.Entry
@@ -43,6 +43,7 @@ func newEmailNotifier(c *cobra.Command, acceptedLogLevels []log.Level) t.Notifie
 	port, _ := flags.GetInt("notification-email-server-port")
 	tlsSkipVerify, _ := flags.GetBool("notification-email-server-tls-skip-verify")
 	delay, _ := flags.GetInt("notification-email-delay")
+	subjecttag, _ := flags.GetInt("notification-email-subjecttag")
 
 	n := &emailTypeNotifier{
 		From:          from,
@@ -54,6 +55,7 @@ func newEmailNotifier(c *cobra.Command, acceptedLogLevels []log.Level) t.Notifie
 		tlsSkipVerify: tlsSkipVerify,
 		logLevels:     acceptedLogLevels,
 		delay:         time.Duration(delay) * time.Second,
+		SubjectTag:    subjecttag,
 	}
 
 	log.AddHook(n)
@@ -62,7 +64,11 @@ func newEmailNotifier(c *cobra.Command, acceptedLogLevels []log.Level) t.Notifie
 }
 
 func (e *emailTypeNotifier) buildMessage(entries []*log.Entry) []byte {
-	emailSubject := "Watchtower updates"
+	if SubjectTag == nil {
+		emailSubject := "Watchtower updates"
+	} else {
+		emailSubject := SubjectTag + " Watchtower updates"
+	}
 	if hostname, err := os.Hostname(); err == nil {
 		emailSubject += " on " + hostname
 	}