$ git clone -n https://src.fedoraproject.org/rpms/clamsmtp.git /var/lib/mock/f40-build-2339571-59660/root/chroot_tmpdir/scmroot/clamsmtp
Cloning into '/var/lib/mock/f40-build-2339571-59660/root/chroot_tmpdir/scmroot/clamsmtp'...
$ git fetch origin 2c624e5566be925533a4defc2d4b61e7b11fc00e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/clamsmtp
 * [new ref]         2c624e5566be925533a4defc2d4b61e7b11fc00e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c624e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild