$ git clone -n https://src.fedoraproject.org/rpms/dropbear.git /var/lib/mock/f40-build-794244-139514/root/chroot_tmpdir/scmroot/dropbear
Cloning into '/var/lib/mock/f40-build-794244-139514/root/chroot_tmpdir/scmroot/dropbear'...
$ git fetch origin c87bef92a48ac96fd371f8126a943b12237ba6ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dropbear
 * [new ref]         c87bef92a48ac96fd371f8126a943b12237ba6ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c87bef9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild