$ git clone -n https://src.fedoraproject.org/rpms/plasma-nano.git /var/lib/mock/f40-build-793918-139322/root/chroot_tmpdir/scmroot/plasma-nano
Cloning into '/var/lib/mock/f40-build-793918-139322/root/chroot_tmpdir/scmroot/plasma-nano'...
$ git fetch origin 2292ff9842e85dd37e2c43e6ca2e16624c295659:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nano
 * [new ref]         2292ff9842e85dd37e2c43e6ca2e16624c295659 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2292ff9 6.0.2