$ git clone -n https://src.fedoraproject.org/rpms/kf6.git /var/lib/mock/f42-build-867679-175748/root/chroot_tmpdir/scmroot/kf6
Cloning into '/var/lib/mock/f42-build-867679-175748/root/chroot_tmpdir/scmroot/kf6'...
$ git fetch origin 38c6778e5ffe28dc21d6560510ef45ffee48c170:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6
 * [new ref]         38c6778e5ffe28dc21d6560510ef45ffee48c170 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38c6778 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild