$ git clone -n https://src.fedoraproject.org/rpms/wide-dhcpv6.git /var/lib/mock/f39-build-1518923-35812/root/chroot_tmpdir/scmroot/wide-dhcpv6
Cloning into '/var/lib/mock/f39-build-1518923-35812/root/chroot_tmpdir/scmroot/wide-dhcpv6'...
$ git fetch origin 9c1f6d0eb78e842ab1d7482a82453601baac23ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wide-dhcpv6
 * [new ref]         9c1f6d0eb78e842ab1d7482a82453601baac23ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c1f6d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild