$ git clone -n https://gitee.com/wency_cn/crash_1772054120.git /var/lib/mock/dist-an23-build-515045-75118/root/chroot_tmpdir/scmroot/crash_1772054120
Cloning into '/var/lib/mock/dist-an23-build-515045-75118/root/chroot_tmpdir/scmroot/crash_1772054120'...
$ git fetch origin 49fad3626213133b8eef3baf19720af0009dd39c:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/crash_1772054120
 * [new ref]         49fad3626213133b8eef3baf19720af0009dd39c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49fad36 Update code from upstream