$ git clone -n https://src.fedoraproject.org/rpms/k3b.git /var/lib/mock/f41-build-857086-167881/root/chroot_tmpdir/scmroot/k3b
Cloning into '/var/lib/mock/f41-build-857086-167881/root/chroot_tmpdir/scmroot/k3b'...
$ git fetch origin a52c7aa801027c51a3c75f933ace0dea314af167:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/k3b
 * [new ref]         a52c7aa801027c51a3c75f933ace0dea314af167 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a52c7aa 24.08.2