$ git clone -n https://gitee.com/opencloudos-stream/xz /var/lib/mock/dist-ocs23-build-7923-61/root/chroot_tmpdir/scmroot/xz
Cloning into '/var/lib/mock/dist-ocs23-build-7923-61/root/chroot_tmpdir/scmroot/xz'...
$ git fetch origin 799b1088dfe8530bb8ee7e064de25aa74f3eb0b9:KOJI_FETCH_HEAD
fatal: remote error: upload-pack: not our ref 799b1088dfe8530bb8ee7e064de25aa74f3eb0b9
fatal: the remote end hung up unexpectedly
$ git reset --hard 799b1088dfe8530bb8ee7e064de25aa74f3eb0b9
fatal: Could not parse object '799b1088dfe8530bb8ee7e064de25aa74f3eb0b9'.