$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdeclarative.git /var/lib/mock/f40-build-2216972-52524/root/chroot_tmpdir/scmroot/kf6-kdeclarative
Cloning into '/var/lib/mock/f40-build-2216972-52524/root/chroot_tmpdir/scmroot/kf6-kdeclarative'...
$ git fetch origin a78d72514fdf44fb8d942a1169bf9dd882e8de74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdeclarative
 * [new ref]         a78d72514fdf44fb8d942a1169bf9dd882e8de74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a78d725 5.247.0