$ git clone -n https://src.fedoraproject.org/rpms/plasma-nano.git /var/lib/mock/f40-build-2511588-61712/root/chroot_tmpdir/scmroot/plasma-nano
Cloning into '/var/lib/mock/f40-build-2511588-61712/root/chroot_tmpdir/scmroot/plasma-nano'...
$ git fetch origin c11795c90038879439f2255b34dbad63ef52ad9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-nano
 * [new ref]         c11795c90038879439f2255b34dbad63ef52ad9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c11795c 6.0.1