1 files changed, 73 insertions, 0 deletions
diff --git a/internal/assets/templates/templates.go b/internal/assets/templates/templates.go
new file mode 100644
index 00000000..91d13f39
--- /dev/null
+++ b/internal/assets/templates/templates.go
@@ -0,0 +1,73 @@
+// Copyright 2020 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package templates
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"path"
+	"strings"
+
+	"gopkg.in/macaron.v1"
+
+	"gogs.io/gogs/internal/osutil"
+)
+
+//go:generate go-bindata -nomemcopy -ignore="\\.DS_Store" -pkg=templates -prefix=../../../templates -debug=false -o=templates_gen.go ../../../templates/...
+
+// fileSystem implements the macaron.TemplateFileSystem interface.
+type fileSystem struct {
+	files []macaron.TemplateFile
+}
+
+func (fs *fileSystem) ListFiles() []macaron.TemplateFile {
+	return fs.files
+}
+
+func (fs *fileSystem) Get(name string) (io.Reader, error) {
+	for i := range fs.files {
+		if fs.files[i].Name()+fs.files[i].Ext() == name {
+			return bytes.NewReader(fs.files[i].Data()), nil
+		}
+	}
+	return nil, fmt.Errorf("file %q not found", name)
+}
+
+// NewTemplateFileSystem returns a macaron.TemplateFileSystem instance for embedded assets.
+// The argument "dir" can be used to serve subset of embedded assets. Template file
+// found under the "customDir" on disk has higher precedence over embedded assets.
+func NewTemplateFileSystem(dir, customDir string) macaron.TemplateFileSystem {
+	if dir != "" && !strings.HasSuffix(dir, "/") {
+		dir += "/"
+	}
+
+	var files []macaron.TemplateFile
+	names := AssetNames()
+	for _, name := range names {
+		if !strings.HasPrefix(name, dir) {
+			continue
+		}
+
+		// Check if corresponding custom file exists
+		var err error
+		var data []byte
+		fpath := path.Join(customDir, name)
+		if osutil.IsFile(fpath) {
+			data, err = ioutil.ReadFile(fpath)
+		} else {
+			data, err = Asset(name)
+		}
+		if err != nil {
+			panic(err)
+		}
+
+		ext := path.Ext(name)
+		name = strings.TrimSuffix(name, ext)
+		files = append(files, macaron.NewTplFile(name, data, ext))
+	}
+	return &fileSystem{files: files}
+}