$ git clone -n https://gitee.com/src-anolis-os/libidn2.git /var/lib/mock/dist-lifsea8-build-153767-52643/root/chroot_tmpdir/scmroot/libidn2 Cloning into '/var/lib/mock/dist-lifsea8-build-153767-52643/root/chroot_tmpdir/scmroot/libidn2'... $ git reset --hard origin/a8-poc fatal: ambiguous argument 'origin/a8-poc': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git [...] -- [...]'