tpl/template_funcs.go:1019:3: the surrounding loop is unconditionally terminated
source/lazy_file_reader.go:66:5: err != nil is always true for all possible
values ([nil:error] != [nil:error])
LazyFileReader is an io.Reader implementation to postpone reading the
file contents until it is really needed. It is introduced for improving
performance and memory consumption at reading media files in content
directory.