$ git clone -n https://gitee.com/opencloudos-stream/libXvMC.git /var/lib/mock/dist-ocs23-build-235917-20670/root/chroot_tmpdir/scmroot/libXvMC
Cloning into '/var/lib/mock/dist-ocs23-build-235917-20670/root/chroot_tmpdir/scmroot/libXvMC'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libXvMC
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8dfcd2f Rebuilt for loongarch release