$ git clone -n https://src.fedoraproject.org/rpms/kgraphviewer.git /var/lib/mock/f38-build-side-42-init-devel-809410-28254/root/chroot_tmpdir/scmroot/kgraphviewer
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-809410-28254/root/chroot_tmpdir/scmroot/kgraphviewer'...
$ git fetch origin 200c2a88e23dfc77943b51bb5eb923fc171d1104:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgraphviewer
 * [new ref]         200c2a88e23dfc77943b51bb5eb923fc171d1104 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 200c2a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild