$ git clone -n https://gitee.com/wency_cn/nv-codec-headers.git /var/lib/mock/dist-an23-build-492653-74553/root/chroot_tmpdir/scmroot/nv-codec-headers
Cloning into '/var/lib/mock/dist-an23-build-492653-74553/root/chroot_tmpdir/scmroot/nv-codec-headers'...
$ git fetch origin a181716eb086a0128cdadf26ee4533d538c37fcb:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/nv-codec-headers
 * [new ref]         a181716eb086a0128cdadf26ee4533d538c37fcb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a181716 Update code from upstream