$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdoctools.git /var/lib/mock/f40-build-774136-127645/root/chroot_tmpdir/scmroot/kf6-kdoctools
Cloning into '/var/lib/mock/f40-build-774136-127645/root/chroot_tmpdir/scmroot/kf6-kdoctools'...
$ git fetch origin 5e13edfba108f55adbbad10be072334cb0dc5108:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdoctools
 * [new ref]         5e13edfba108f55adbbad10be072334cb0dc5108 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e13edf 5.248.0