$ git clone -n https://gitee.com/opencloudos-stream/mvapich2.git /var/lib/mock/dist-ocs23-loongarch64-build-165926-10200/root/chroot_tmpdir/scmroot/mvapich2
Cloning into '/var/lib/mock/dist-ocs23-loongarch64-build-165926-10200/root/chroot_tmpdir/scmroot/mvapich2'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mvapich2
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a26909b !2 add support for loongarch64 Merge pull request !2 from dpd/master