$ git clone -n https://gitee.com/wenyuzifang/rsync.git /var/lib/mock/dist-an23-build-470230-74061/root/chroot_tmpdir/scmroot/rsync
Cloning into '/var/lib/mock/dist-an23-build-470230-74061/root/chroot_tmpdir/scmroot/rsync'...
$ git fetch origin c0c1d2dd2e63322b64ab45c9eb05c68cc1a0a3f8:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rsync
 * [new ref]         c0c1d2dd2e63322b64ab45c9eb05c68cc1a0a3f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0c1d2d Update code from upstream