fix: file path for 404 page

builder/errorpages.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"github.com/macrat/blanktar/builder/fs"
+)
+
+type ErrorGenerator struct {
+	Template *TemplateLoader
+}
+
+func (e ErrorGenerator) Generate(dst fs.Writable, as ArtifactList, conf Config) (ArtifactList, error) {
+	tmpl, err := e.Template.Load("error.html")
+	if err != nil {
+		return nil, err
+	}
+
+	assets := ArtifactList{
+		Asset{
+			name: "/404.html",
+		},
+	}
+
+	if _, err := fs.Stat(dst, "/404.html"); err == nil {
+		return assets, nil
+	}
+
+	w, err := CreateOutput(dst, "/404.html", "text/html")
+	if err != nil {
+		return nil, err
+	}
+	defer w.Close()
+
+	err = tmpl.Execute(w, map[string]interface{}{
+		"Title": "404",
+		"Description": "Not Found",
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return assets, nil
+}

builder/main.go

@@ -298,6 +298,7 @@ func main() {
 		Generator: GeneratorSet{
 			IndexGenerator{template},
 			PhotoGenerator{template},
+			ErrorGenerator{template},
 		},
 	}