$ git clone -n https://gitee.com/xzyang-anolis/xorg-x11-server.git /var/lib/mock/dist-an7-extras-build-382063-60069/root/chroot_tmpdir/scmroot/xorg-x11-server
Cloning into '/var/lib/mock/dist-an7-extras-build-382063-60069/root/chroot_tmpdir/scmroot/xorg-x11-server'...
$ git reset --hard origin/a7-extras
fatal: ambiguous argument 'origin/a7-extras': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'