$ git clone -n https://src.fedoraproject.org/rpms/mpv.git /var/lib/mock/f41-build-830025-156304/root/chroot_tmpdir/scmroot/mpv
Cloning into '/var/lib/mock/f41-build-830025-156304/root/chroot_tmpdir/scmroot/mpv'...
$ git fetch origin 2ea2f7c2b03242e9c43bc20536cddd359d07aa55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mpv
 * [new ref]         2ea2f7c2b03242e9c43bc20536cddd359d07aa55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ea2f7c Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild