$ git clone -n https://src.fedoraproject.org/rpms/opus-tools.git /var/lib/mock/f40-build-750636-115137/root/chroot_tmpdir/scmroot/opus-tools
Cloning into '/var/lib/mock/f40-build-750636-115137/root/chroot_tmpdir/scmroot/opus-tools'...
$ git fetch origin d642b83f34c8fccd1d135efb8baa2b944330c66c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opus-tools
 * [new ref]         d642b83f34c8fccd1d135efb8baa2b944330c66c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d642b83 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild