$ git clone -n https://gitee.com/wency_cn/cargo2rpm.git /var/lib/mock/dist-an23-build-492201-74553/root/chroot_tmpdir/scmroot/cargo2rpm
Cloning into '/var/lib/mock/dist-an23-build-492201-74553/root/chroot_tmpdir/scmroot/cargo2rpm'...
$ git fetch origin 921116962c594b7b5c8f9edff7a9892a4a7a55d1:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cargo2rpm
 * [new ref]         921116962c594b7b5c8f9edff7a9892a4a7a55d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9211169 Update code from upstream