$ git clone -n https://gitee.com/wency_cn/gsm.git /var/lib/mock/dist-an23-build-501996-74794/root/chroot_tmpdir/scmroot/gsm
Cloning into '/var/lib/mock/dist-an23-build-501996-74794/root/chroot_tmpdir/scmroot/gsm'...
$ git fetch origin d8c709bbcadf76e0897a09c00791d51c13f5612b:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/gsm
 * [new ref]         d8c709bbcadf76e0897a09c00791d51c13f5612b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8c709b Update code from upstream