$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdav.git /var/lib/mock/f40-build-786939-134636/root/chroot_tmpdir/scmroot/kf5-kdav
Cloning into '/var/lib/mock/f40-build-786939-134636/root/chroot_tmpdir/scmroot/kf5-kdav'...
$ git fetch origin 23b4962d11e6a9b619ffe3650d1fcf737ae6dc32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdav
 * [new ref]         23b4962d11e6a9b619ffe3650d1fcf737ae6dc32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23b4962 5.115.0