$ git clone -n https://gitee.com/src-anolis-sig/scheduler-group-identity.git /var/lib/mock/dist-an23-build-181324-59704/root/chroot_tmpdir/scmroot/scheduler-group-identity Cloning into '/var/lib/mock/dist-an23-build-181324-59704/root/chroot_tmpdir/scmroot/scheduler-group-identity'... $ 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 [...] -- [...]'