$ git clone -n https://src.fedoraproject.org/rpms/kgraphviewer.git /var/lib/mock/f40-build-2296828-56416/root/chroot_tmpdir/scmroot/kgraphviewer
Cloning into '/var/lib/mock/f40-build-2296828-56416/root/chroot_tmpdir/scmroot/kgraphviewer'...
$ git fetch origin 309c4890eacbb09c8b10c77fcf9e6203b4953b53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgraphviewer
 * [new ref]         309c4890eacbb09c8b10c77fcf9e6203b4953b53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 309c489 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild