$ git clone -n https://src.fedoraproject.org/rpms/plasma-breeze.git /var/lib/mock/f42-build-3427182-45202/root/chroot_tmpdir/scmroot/plasma-breeze
Cloning into '/var/lib/mock/f42-build-3427182-45202/root/chroot_tmpdir/scmroot/plasma-breeze'...
$ git fetch origin 4ed6a3a638e2c9f993c60d74be27277e530d4d5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-breeze
 * [new ref]         4ed6a3a638e2c9f993c60d74be27277e530d4d5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ed6a3a 6.3.3