$ git clone -n https://src.fedoraproject.org/rpms/ptyxis.git /var/lib/mock/f41-build-854213-166808/root/chroot_tmpdir/scmroot/ptyxis
Cloning into '/var/lib/mock/f41-build-854213-166808/root/chroot_tmpdir/scmroot/ptyxis'...
$ git fetch origin 7976211687eeca53fca670c7551142b8313630f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ptyxis
 * [new ref]         7976211687eeca53fca670c7551142b8313630f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7976211 Update to 47.1