$ git clone -n https://src.fedoraproject.org/rpms/plasma-sdk.git /var/lib/mock/f40-build-2595506-62744/root/chroot_tmpdir/scmroot/plasma-sdk
Cloning into '/var/lib/mock/f40-build-2595506-62744/root/chroot_tmpdir/scmroot/plasma-sdk'...
$ git fetch origin aa1d16ecd69b5f8dc510bac03a2e499e63e026ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-sdk
 * [new ref]         aa1d16ecd69b5f8dc510bac03a2e499e63e026ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa1d16e 6.0.2