$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-infra/rpkg-common.git /var/lib/mock/dist-an8-infra-build-50998-23265/root/chroot_tmpdir/scmroot/rpkg-common Cloning into '/var/lib/mock/dist-an8-infra-build-50998-23265/root/chroot_tmpdir/scmroot/rpkg-common'... warning: You appear to have cloned an empty repository. $ git reset --hard origin/a8 fatal: ambiguous argument 'origin/a8': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git [...] -- [...]'