$ git clone -n https://src.fedoraproject.org/rpms/rust-lino.git /var/lib/mock/f40-build-2657723-66916/root/chroot_tmpdir/scmroot/rust-lino
Cloning into '/var/lib/mock/f40-build-2657723-66916/root/chroot_tmpdir/scmroot/rust-lino'...
$ git fetch origin a3e3ec3bb00e581f69fb7551923922cb859782d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lino
 * [new ref]         a3e3ec3bb00e581f69fb7551923922cb859782d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3e3ec3 Update copypasta to 0.10.0