$ git clone -n https://src.fedoraproject.org/rpms/python-azure-mgmt-billing.git /var/lib/mock/f45-build-29526-639/root/chroot_tmpdir/scmroot/python-azure-mgmt-billing
Cloning into '/var/lib/mock/f45-build-29526-639/root/chroot_tmpdir/scmroot/python-azure-mgmt-billing'...
$ git fetch origin 377ba7a6cda0497225f31e2e183e8f5b00dbb33f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-azure-mgmt-billing
 * [new ref]         377ba7a6cda0497225f31e2e183e8f5b00dbb33f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 377ba7a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild