$ git clone -n https://src.fedoraproject.org/rpms/google-noto-serif-cjk-vf-fonts.git /var/lib/mock/f45-build-12861-444/root/chroot_tmpdir/scmroot/google-noto-serif-cjk-vf-fonts
Cloning into '/var/lib/mock/f45-build-12861-444/root/chroot_tmpdir/scmroot/google-noto-serif-cjk-vf-fonts'...
$ git fetch origin d54c5e61022ba460a3e44a54e8b6d84c02fa8ef4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/google-noto-serif-cjk-vf-fonts
 * [new ref]         d54c5e61022ba460a3e44a54e8b6d84c02fa8ef4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d54c5e6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild