$ git clone -n https://src.fedoraproject.org/rpms/nss-mdns.git /var/lib/mock/f39-build-1461818-33285/root/chroot_tmpdir/scmroot/nss-mdns
Cloning into '/var/lib/mock/f39-build-1461818-33285/root/chroot_tmpdir/scmroot/nss-mdns'...
$ git fetch origin 7b5221acdebe1606336ebbe8c04e9099bd319c1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nss-mdns
 * [new ref]         7b5221acdebe1606336ebbe8c04e9099bd319c1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b5221a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild