$ git clone -n https://gitee.com/xzyang-anolis8/vapoursynth.git /var/lib/mock/dist-an23-dde-build-325676-68534/root/chroot_tmpdir/scmroot/vapoursynth
Cloning into '/var/lib/mock/dist-an23-dde-build-325676-68534/root/chroot_tmpdir/scmroot/vapoursynth'...
$ git fetch origin b83a8ee4f76732973e5c731403459a96d4980a55:KOJI_FETCH_HEAD
From https://gitee.com/xzyang-anolis8/vapoursynth
 * [new ref]         b83a8ee4f76732973e5c731403459a96d4980a55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b83a8ee rebuild for qt