$ git clone -n https://src.fedoraproject.org/rpms/openvpn-otp.git /var/lib/mock/f40-build-2618037-64478/root/chroot_tmpdir/scmroot/openvpn-otp
Cloning into '/var/lib/mock/f40-build-2618037-64478/root/chroot_tmpdir/scmroot/openvpn-otp'...
$ git fetch origin c3e1b5b90998e508c92a197ef8728c560c28965a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openvpn-otp
 * [new ref]         c3e1b5b90998e508c92a197ef8728c560c28965a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c3e1b5b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild