$ git clone -n https://gitee.com/src-anolis-os/cyrus-imapd.git /var/lib/mock/dist-an8_2-build-59770-32781/root/chroot_tmpdir/scmroot/cyrus-imapd
Cloning into '/var/lib/mock/dist-an8_2-build-59770-32781/root/chroot_tmpdir/scmroot/cyrus-imapd'...
$ git reset --hard /origin/a8.2
fatal: ambiguous argument '/origin/a8.2': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'