From f2b044364129ee9e4f66348e747bd53b4d7e55ac Mon Sep 17 00:00:00 2001
From: tjpcc <tjp@ctrl-c.club>
Date: Sat, 16 Sep 2023 21:04:50 -0600
Subject: support template overrides

---
 templates.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'templates.go')

diff --git a/templates.go b/templates.go
index ddce7ea..e31f06f 100644
--- a/templates.go
+++ b/templates.go
@@ -8,3 +8,21 @@ import (
 //go:embed templates/*.gmi
 var geminiTemplateFS embed.FS
 var geminiTemplate = template.Must(template.ParseFS(geminiTemplateFS, "templates/*.gmi"))
+
+func addTemplates(base *template.Template, additions *template.Template) (*template.Template, error) {
+	base, err := base.Clone()
+	if err != nil {
+		return nil, err
+	}
+	if additions == nil {
+		return base, nil
+	}
+
+	for _, addition := range additions.Templates() {
+		if _, err := base.AddParseTree(addition.Name(), addition.Tree); err != nil {
+			return nil, err
+		}
+	}
+
+	return base, nil
+}
-- 
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