$ git clone -n https://src.fedoraproject.org/rpms/python-peewee.git /var/lib/mock/f38-build-729904-101930/root/chroot_tmpdir/scmroot/python-peewee
Cloning into '/var/lib/mock/f38-build-729904-101930/root/chroot_tmpdir/scmroot/python-peewee'...
$ git fetch origin a9951ecbd5a409ed612303755dc55d3cf241f346:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-peewee
 * [new ref]         a9951ecbd5a409ed612303755dc55d3cf241f346 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9951ec Update to 3.16.2 (#2187944)