$ git clone -n https://gitee.com/alpha-wang/gdm.git /var/lib/mock/dist-an23-build-493819-74562/root/chroot_tmpdir/scmroot/gdm
Cloning into '/var/lib/mock/dist-an23-build-493819-74562/root/chroot_tmpdir/scmroot/gdm'...
$ git fetch origin d99f2f1b6eecdd39e38fd487a7bc2cf8f2d96028:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/gdm
 * [new ref]         d99f2f1b6eecdd39e38fd487a7bc2cf8f2d96028 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d99f2f1 disable Wayland on HAM chipsets