$ git clone -n https://src.fedoraproject.org/rpms/kdiamond.git /var/lib/mock/f40-build-2593889-62724/root/chroot_tmpdir/scmroot/kdiamond
Cloning into '/var/lib/mock/f40-build-2593889-62724/root/chroot_tmpdir/scmroot/kdiamond'...
$ git fetch origin def98c3befb3c04f5e80543ab60a29027cc7435c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdiamond
 * [new ref]         def98c3befb3c04f5e80543ab60a29027cc7435c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at def98c3 24.02.0