$ git clone -n https://src.fedoraproject.org/rpms/kgraphviewer.git /var/lib/mock/f41-build-side-1-2751391-31101/root/chroot_tmpdir/scmroot/kgraphviewer
Cloning into '/var/lib/mock/f41-build-side-1-2751391-31101/root/chroot_tmpdir/scmroot/kgraphviewer'...
$ git fetch origin a53aef374bd52bc5602376cd7333575d3e4b309e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kgraphviewer
 * [new ref]         a53aef374bd52bc5602376cd7333575d3e4b309e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a53aef3 24.08.1