$ git clone -n https://src.fedoraproject.org/rpms/python-service-identity.git /var/lib/mock/f45-build-32936-665/root/chroot_tmpdir/scmroot/python-service-identity
Cloning into '/var/lib/mock/f45-build-32936-665/root/chroot_tmpdir/scmroot/python-service-identity'...
$ git fetch origin fdf7e40cf125d9a8d28f9950bdf3a87a3bc06f96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-service-identity
 * [new ref]         fdf7e40cf125d9a8d28f9950bdf3a87a3bc06f96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdf7e40 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild