$ git clone -n https://src.fedoraproject.org/rpms/plasma-breeze.git /var/lib/mock/f41-build-824385-154063/root/chroot_tmpdir/scmroot/plasma-breeze
Cloning into '/var/lib/mock/f41-build-824385-154063/root/chroot_tmpdir/scmroot/plasma-breeze'...
$ git fetch origin c5fc74a61570361e4fce31020ab2541b24fe0f55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-breeze
 * [new ref]         c5fc74a61570361e4fce31020ab2541b24fe0f55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c5fc74a rebuild