e8d5d5ed49
Backport #30240 by wxiaoguang Major changes: * Move some functions like "addReader" / "isSubDir" / "addRecursiveExclude" to a separate package, and add tests * Clarify the filename&dump type logic and add tests * Clarify the logger behavior and remove FIXME comments Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>