$ git clone -n https://gitee.com/wency_cn/crash.git /var/lib/mock/dist-an23-build-492052-74553/root/chroot_tmpdir/scmroot/crash
Cloning into '/var/lib/mock/dist-an23-build-492052-74553/root/chroot_tmpdir/scmroot/crash'...
$ git fetch origin 8928a0b22b6f3e2273e99c1c4f3339684c07109c:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/crash
 * [new ref]         8928a0b22b6f3e2273e99c1c4f3339684c07109c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8928a0b Update code from upstream