$ git clone -n https://src.fedoraproject.org/rpms/khelpcenter.git /var/lib/mock/f40-build-2376661-60422/root/chroot_tmpdir/scmroot/khelpcenter
Cloning into '/var/lib/mock/f40-build-2376661-60422/root/chroot_tmpdir/scmroot/khelpcenter'...
$ git fetch origin d1699f82abf3aa19f857f8aceb0ab345f16b711a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/khelpcenter
 * [new ref]         d1699f82abf3aa19f857f8aceb0ab345f16b711a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1699f8 24.01.95