$ git clone -n https://src.fedoraproject.org/rpms/kf5.git /var/lib/mock/f40-build-2292480-56140/root/chroot_tmpdir/scmroot/kf5
Cloning into '/var/lib/mock/f40-build-2292480-56140/root/chroot_tmpdir/scmroot/kf5'...
$ git fetch origin 980558c929c59e05e04be9d9a040c274bc9d77b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5
 * [new ref]         980558c929c59e05e04be9d9a040c274bc9d77b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 980558c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild