$ git clone -n https://src.fedoraproject.org/rpms/linkchecker.git /var/lib/mock/f39-build-1549239-36892/root/chroot_tmpdir/scmroot/linkchecker
Cloning into '/var/lib/mock/f39-build-1549239-36892/root/chroot_tmpdir/scmroot/linkchecker'...
$ git fetch origin df02a3020e1654ccb8a60ab950c88247d0448e46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/linkchecker
 * [new ref]         df02a3020e1654ccb8a60ab950c88247d0448e46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df02a30 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild