From 06d32b13a52dccfae5c3ef25e6d96249e670e143 Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Wed, 28 Sep 2022 03:25:04 +0200
Subject: [PATCH] ingore empty string tags

---
 plugin/impl.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/plugin/impl.go b/plugin/impl.go
index ea7a4df..fbb6145 100644
--- a/plugin/impl.go
+++ b/plugin/impl.go
@@ -6,6 +6,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strings"
 	"time"
 
 	"github.com/sirupsen/logrus"
@@ -99,7 +100,18 @@ func (p *Plugin) Validate() error {
 			logrus.Printf("skipping automated docker build for %s", p.settings.Build.Ref)
 			return nil
 		}
+	} else {
+		// ignore empty tags
+		var tags []string
+		for _, t := range p.settings.Build.Tags.Value() {
+			t = strings.TrimSpace(t)
+			if t != "" {
+				tags = append(tags, t)
+			}
+		}
+		p.settings.Build.Tags = *cli.NewStringSlice(tags...)
 	}
+
 	if p.settings.Build.LabelsAuto {
 		p.settings.Build.Labels = *cli.NewStringSlice(p.Labels()...)
 	}