$ git clone -n https://src.fedoraproject.org/rpms/google-noto-serif-cjk-vf-fonts.git /var/lib/mock/f39-build-1731137-41251/root/chroot_tmpdir/scmroot/google-noto-serif-cjk-vf-fonts
Cloning into '/var/lib/mock/f39-build-1731137-41251/root/chroot_tmpdir/scmroot/google-noto-serif-cjk-vf-fonts'...
$ git fetch origin 2fa84b27ab264585d64808846af4eb4ecc466bf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/google-noto-serif-cjk-vf-fonts
 * [new ref]         2fa84b27ab264585d64808846af4eb4ecc466bf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fa84b2 Drop some Conflicts from the Noto Serif CJK fonts