$ git clone -n https://src.fedoraproject.org/rpms/kdiamond.git /var/lib/mock/f41-build-846856-163497/root/chroot_tmpdir/scmroot/kdiamond
Cloning into '/var/lib/mock/f41-build-846856-163497/root/chroot_tmpdir/scmroot/kdiamond'...
$ git fetch origin dea571011f2e569a25d00bd38dfe2f5462186f6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdiamond
 * [new ref]         dea571011f2e569a25d00bd38dfe2f5462186f6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dea5710 24.08.0