$ git clone -n https://src.fedoraproject.org/rpms/python-wtf-peewee.git /var/lib/mock/f39-build-1683639-41054/root/chroot_tmpdir/scmroot/python-wtf-peewee
Cloning into '/var/lib/mock/f39-build-1683639-41054/root/chroot_tmpdir/scmroot/python-wtf-peewee'...
$ git fetch origin 78fbf45b7926a0022aae1d8d26981aec694e2044:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-wtf-peewee
 * [new ref]         78fbf45b7926a0022aae1d8d26981aec694e2044 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78fbf45 Update to 3.0.5 (RHBZ#2075969)