>      On 23 Oct 2025, at 08:25, onefang <onefang_devuan@???> wrote:
>      On 2025-10-23 05:59:51, Shengqi Chen wrote:

>        Hi,

>          -----Original Message-----
>          From: devuan-mirrors <[1]devuan-mirrors-bounces@???> On
>          Behalf Of
>          onefang
>          Sent: Thursday, October 23, 2025 1:11 PM

>          Which tries to update a Devuan package mirror with minimal issues.
>           It
>          should help prevent "this mirror is currently updating and might
>          give
>          errors", or at least shrink that window down to fractions of a
>          second.

>        It looks rather like Debian's two-stage rsync used in ftpsync.

>      I've looked at ftpsync, it's much more complicated than what I think we
>      need, but yes a two stage rsync.

>    The Deb ftp_sync/mirror_sync script first phase pulls any new .DEBs and
>    delete the superfluous files only after the repo/index files had been
>    updated.
>    ie.
>     - Pull new .deb files
>     - update indexes
>     - remove superfluous files
>    That “guarantees” that anybody pulling a new index file, should not get
>    404 errors, ie. index files before .deb files, and the window between
>    pulling an old index file and the old files removed should be … minimal.