$ git clone -n https://gitee.com/cobratoxin/xorg-x11-drv-nouveau.git /var/lib/mock/dist-an8.7-build-274734-64202/root/chroot_tmpdir/scmroot/xorg-x11-drv-nouveau
Cloning into '/var/lib/mock/dist-an8.7-build-274734-64202/root/chroot_tmpdir/scmroot/xorg-x11-drv-nouveau'...
$ git fetch origin 42daf10220df5d43385fe3d8e7165e30d5dc533e:KOJI_FETCH_HEAD
From https://gitee.com/cobratoxin/xorg-x11-drv-nouveau
 * [new ref]         42daf10220df5d43385fe3d8e7165e30d5dc533e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42daf10 spec: add Requirse/Provides