$ git clone -n https://src.fedoraproject.org/rpms/python-pika.git /var/lib/mock/f45-build-31989-656/root/chroot_tmpdir/scmroot/python-pika
Cloning into '/var/lib/mock/f45-build-31989-656/root/chroot_tmpdir/scmroot/python-pika'...
$ git fetch origin 67611a804ac14de98e13b314f665bbdc0ac9aa0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pika
 * [new ref]         67611a804ac14de98e13b314f665bbdc0ac9aa0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67611a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild