$ git clone -n https://src.fedoraproject.org/rpms/deepin-session-shell.git /var/lib/mock/f41-build-848146-164381/root/chroot_tmpdir/scmroot/deepin-session-shell
Cloning into '/var/lib/mock/f41-build-848146-164381/root/chroot_tmpdir/scmroot/deepin-session-shell'...
$ git fetch origin b01ce1996e8f2cd5238eb54f8a71e54a15e1fb60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-session-shell
 * [new ref]         b01ce1996e8f2cd5238eb54f8a71e54a15e1fb60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b01ce19 6.0.21