$ git clone -n https://gitee.com/src-anolis-os/xorg-x11-drv-nouveau.git /var/lib/mock/dist-an23.3-build-413711-72745/root/chroot_tmpdir/scmroot/xorg-x11-drv-nouveau
Cloning into '/var/lib/mock/dist-an23.3-build-413711-72745/root/chroot_tmpdir/scmroot/xorg-x11-drv-nouveau'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/xorg-x11-drv-nouveau
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6210ab9 Rebuild for remove inappropriate build dependencies.