$ git clone -n https://gitee.com/src-anolis-os/xfsprogs.git /var/lib/mock/dist-an7-build-64548-36535/root/chroot_tmpdir/scmroot/xfsprogs
Cloning into '/var/lib/mock/dist-an7-build-64548-36535/root/chroot_tmpdir/scmroot/xfsprogs'...
$ git reset --hard origin/a7_improvement
fatal: ambiguous argument 'origin/a7_improvement': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'