feat: gitea: vendor + fix heatmap

package/gitea/source/modules/indexer/code/elasticsearch/elasticsearch_test.go

@@ -0,0 +1,16 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package elasticsearch
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIndexPos(t *testing.T) {
+	startIdx, endIdx := contentMatchIndexPos("test index start and end", "start", "end")
+	assert.Equal(t, 11, startIdx)
+	assert.Equal(t, 15, endIdx)
+}