$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/advancecomp.git /var/lib/mock/dist-an7-updates-build-42718-21665/root/chroot_tmpdir/scmroot/advancecomp Cloning into '/var/lib/mock/dist-an7-updates-build-42718-21665/root/chroot_tmpdir/scmroot/advancecomp'... $ git reset --hard origin/a fatal: ambiguous argument 'origin/a': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git [...] -- [...]'