$ git clone -n https://gitee.com/src-anolis-os/acl.git /var/lib/mock/dist-an27-pre-build-545727-87293/root/chroot_tmpdir/scmroot/acl Cloning into '/var/lib/mock/dist-an27-pre-build-545727-87293/root/chroot_tmpdir/scmroot/acl'... $ git reset --hard origin/an27-dev fatal: ambiguous argument 'origin/an27-dev': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git [...] -- [...]'