$ git clone -n https://src.fedoraproject.org/rpms/hipblaslt.git /var/lib/mock/f42-build-3360739-45036/root/chroot_tmpdir/scmroot/hipblaslt
Cloning into '/var/lib/mock/f42-build-3360739-45036/root/chroot_tmpdir/scmroot/hipblaslt'...
$ git fetch origin ab031d888b7984b59176c7807f225d818d0ca3be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hipblaslt
 * [new ref]         ab031d888b7984b59176c7807f225d818d0ca3be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab031d8 msgpack is manditory