$ git clone -n https://src.fedoraproject.org/rpms/jgmenu.git /var/lib/mock/f40-build-789761-135974/root/chroot_tmpdir/scmroot/jgmenu
Cloning into '/var/lib/mock/f40-build-789761-135974/root/chroot_tmpdir/scmroot/jgmenu'...
$ git fetch origin adf0e930be3df1d45ad6b095c282d660c66fb8b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jgmenu
 * [new ref]         adf0e930be3df1d45ad6b095c282d660c66fb8b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at adf0e93 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild