$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdoctools.git /var/lib/mock/f40-build-2556411-62038/root/chroot_tmpdir/scmroot/kf5-kdoctools
Cloning into '/var/lib/mock/f40-build-2556411-62038/root/chroot_tmpdir/scmroot/kf5-kdoctools'...
$ git fetch origin 00612d9158227f8c35f21b33e0bd5350b08119ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdoctools
 * [new ref]         00612d9158227f8c35f21b33e0bd5350b08119ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00612d9 5.115.0