$ git clone -n https://src.fedoraproject.org/rpms/virt-viewer.git /var/lib/mock/f40-build-797598-141417/root/chroot_tmpdir/scmroot/virt-viewer
Cloning into '/var/lib/mock/f40-build-797598-141417/root/chroot_tmpdir/scmroot/virt-viewer'...
$ git fetch origin a6368324e13a172e7f7219ad599f41551f8874cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-viewer
 * [new ref]         a6368324e13a172e7f7219ad599f41551f8874cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a636832 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild