$ git clone -n https://src.fedoraproject.org/rpms/groonga-normalizer-mysql.git /var/lib/mock/f45-build-13041-446/root/chroot_tmpdir/scmroot/groonga-normalizer-mysql
Cloning into '/var/lib/mock/f45-build-13041-446/root/chroot_tmpdir/scmroot/groonga-normalizer-mysql'...
$ git fetch origin 6944a11022b01b7d07fd67cf219939a99c83ab8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/groonga-normalizer-mysql
 * [new ref]         6944a11022b01b7d07fd67cf219939a99c83ab8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6944a11 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild