$ git clone -n https://gitee.com/mgb01105731/libnbd_2.git /var/lib/mock/dist-an23.3-build-419112-72884/root/chroot_tmpdir/scmroot/libnbd_2
Cloning into '/var/lib/mock/dist-an23.3-build-419112-72884/root/chroot_tmpdir/scmroot/libnbd_2'...
$ git fetch origin 79d64671b7957b7d7cf83eb0aa1fab0c0d4dde84:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libnbd_2
 * [new ref]         79d64671b7957b7d7cf83eb0aa1fab0c0d4dde84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79d6467 Update to 1.20.3 from 1.18.5