$ git clone -n https://src.fedoraproject.org/rpms/python3-saml.git /var/lib/mock/f45-build-33756-674/root/chroot_tmpdir/scmroot/python3-saml
Cloning into '/var/lib/mock/f45-build-33756-674/root/chroot_tmpdir/scmroot/python3-saml'...
$ git fetch origin 301cfda59b7c80797f864166b6e17a23bb9b7698:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-saml
 * [new ref]         301cfda59b7c80797f864166b6e17a23bb9b7698 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 301cfda Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild