$ git clone -n https://gitee.com/src-anolis-os/dotnet3.0.git /var/lib/mock/dist-an8.4-build-76765-39938/root/chroot_tmpdir/scmroot/dotnet3.0
Cloning into '/var/lib/mock/dist-an8.4-build-76765-39938/root/chroot_tmpdir/scmroot/dotnet3.0'...
$ git reset --hard origin#an8.4
fatal: ambiguous argument 'origin#an8.4': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'