$ git clone -n https://src.fedoraproject.org/rpms/kf6-kimageformats.git /var/lib/mock/f40-build-2218499-52601/root/chroot_tmpdir/scmroot/kf6-kimageformats
Cloning into '/var/lib/mock/f40-build-2218499-52601/root/chroot_tmpdir/scmroot/kf6-kimageformats'...
$ git fetch origin 5512447dee18ceae7f34f960bb6ed076517ccaec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kimageformats
 * [new ref]         5512447dee18ceae7f34f960bb6ed076517ccaec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5512447 5.247.0