$ git clone -n https://gitee.com/wency_cn/crash_1772052106.git /var/lib/mock/dist-an23-build-515038-75118/root/chroot_tmpdir/scmroot/crash_1772052106
Cloning into '/var/lib/mock/dist-an23-build-515038-75118/root/chroot_tmpdir/scmroot/crash_1772052106'...
$ git fetch origin c6aae5ef3db769ff024daab880a8283ab0e12093:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/crash_1772052106
 * [new ref]         c6aae5ef3db769ff024daab880a8283ab0e12093 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6aae5e Update code from upstream