$ git clone -n https://src.fedoraproject.org/rpms/ptyxis.git /var/lib/mock/f41-build-855817-167429/root/chroot_tmpdir/scmroot/ptyxis
Cloning into '/var/lib/mock/f41-build-855817-167429/root/chroot_tmpdir/scmroot/ptyxis'...
$ git fetch origin 09bf15a8d7ae70a3222579e9f6563d3cfdd067e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ptyxis
 * [new ref]         09bf15a8d7ae70a3222579e9f6563d3cfdd067e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09bf15a Update to 47.2