Refactor __walk_remote_dir() for explicit remote-root-path passing
Refactor __walk_remote_dir() for explicit remote-root-path passing

liuycsd/bypy,eehello/bypy,houtianze/bypy,houtianze/bypy,zeropool/bypy,usr0418/bypy,menghan/bypy,krizex/bypy,jezhang/bypy,adrianzhang/bypy,RobberPhex/bypy,rchlin/bypy,liuycsd/bypy