func writeBakedFSCode(w io.Writer, opts *bakeOptions, extensions []string) (err error) {
if opts.VFS {
if _, err = io.WriteString(w, "import \"gnd.la/util/vfsutil\"\n"); err != nil {
return err
}
}
var buf bytes.Buffer
if err := vfsutil.Bake(&buf, opts.Dir, extensions); err != nil {
return err
}
data := buf.String()
var files []string
fs, err := vfs.TarGzip(bytes.NewReader(buf.Bytes()))
if err != nil {
return err
}
err = vfs.Walk(fs, "/", func(fs vfs.VFS, path string, info os.FileInfo, err error) error {
if !info.IsDir() {
files = append(files, strings.TrimPrefix(path, "/"))
}
return err
})
if err != nil {
return err
}
if len(files) > 0 {
if _, err := fmt.Fprintf(w, "// %s \n", strings.Join(files, ", ")); err != nil {
return err
}
}
if _, err := fmt.Fprintf(w, "var %s = ", opts.Name); err != nil {
return err
}
if opts.VFS {
_, err = fmt.Fprintf(w, "vfsutil.MustOpenBaked(%q)\n", data)
} else {
_, err = fmt.Fprintf(w, "%q\n", data)
}
return err
}
// OpenBaked opens a VFS baked into a string using gondola bake
func OpenBaked(s string) (VFS, error) {
return vfs.TarGzip(strings.NewReader(s))
}