$ git clone -n https://src.fedoraproject.org/rpms/python-recordclass.git /var/lib/mock/f39-build-1854551-42388/root/chroot_tmpdir/scmroot/python-recordclass
Cloning into '/var/lib/mock/f39-build-1854551-42388/root/chroot_tmpdir/scmroot/python-recordclass'...
$ git fetch origin 08a7a27ac464cbe33b04f105a6cc9779a7ae8859:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-recordclass
 * [new ref]         08a7a27ac464cbe33b04f105a6cc9779a7ae8859 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08a7a27 Update to 0.21