$ git clone -n https://gitee.com/opencloudos-stream/libev.git /var/lib/mock/dist-ocs23-build-120464-8676/root/chroot_tmpdir/scmroot/libev
Cloning into '/var/lib/mock/dist-ocs23-build-120464-8676/root/chroot_tmpdir/scmroot/libev'...
$ git fetch origin dist-ocs23:KOJI_FETCH_HEAD
fatal: couldn't find remote ref dist-ocs23
$ git reset --hard dist-ocs23
fatal: ambiguous argument 'dist-ocs23': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'