$ git clone -n https://src.fedoraproject.org/rpms/python-flask-admin.git /var/lib/mock/f40-build-2222487-52705/root/chroot_tmpdir/scmroot/python-flask-admin
Cloning into '/var/lib/mock/f40-build-2222487-52705/root/chroot_tmpdir/scmroot/python-flask-admin'...
$ git fetch origin 40a551720975d4c5102e727508e06fc7cabee45f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-flask-admin
 * [new ref]         40a551720975d4c5102e727508e06fc7cabee45f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40a5517 Update to 1.6.1