$ git clone -n https://src.fedoraproject.org/rpms/plasma-widget-menubar.git /var/lib/mock/f39-build-1598261-38477/root/chroot_tmpdir/scmroot/plasma-widget-menubar
Cloning into '/var/lib/mock/f39-build-1598261-38477/root/chroot_tmpdir/scmroot/plasma-widget-menubar'...
$ git fetch origin a6b883a846f774492c793fb726afdcad6861d76d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-widget-menubar
 * [new ref]         a6b883a846f774492c793fb726afdcad6861d76d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6b883a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild