$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/sane-frontends /var/lib/mock/dist-el8-loongarch64-build-40738-20498/root/chroot_tmpdir/scmroot/sane-frontends Cloning into '/var/lib/mock/dist-el8-loongarch64-build-40738-20498/root/chroot_tmpdir/scmroot/sane-frontends'... $ git reset --hard origin/a8-LoongArch fatal: ambiguous argument 'origin/a8-LoongArch': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git [...] -- [...]'