fix(ssh): do not complete commands if hostnames haven't been specified

Author: scop

completions/ssh

@@ -332,13 +332,14 @@ _ssh()
     elif [[ $cur == -* ]]; then
         COMPREPLY=($(compgen -W '$(_parse_usage "$1")' -- "$cur"))
     else
-        _known_hosts_real ${ipvx-} -a ${configfile:+-F "$configfile"} -- "$cur"
-
         local args
         _count_args "=" "-*[bcDeLpRWEFSiIJlmOoQw]"
         if ((args > 1)); then
             compopt -o filenames
             COMPREPLY+=($(compgen -c -- "$cur"))
+        else
+            _known_hosts_real ${ipvx-} -a ${configfile:+-F "$configfile"} \
+                -- "$cur"
         fi
     fi
 } &&

test/t/test_ssh.py

@@ -10,8 +10,12 @@ def test_1(self, completion):
 
     @pytest.mark.complete("ssh -F config ls", cwd="ssh")
     def test_2(self, completion):
-        """Should complete both commands and hostname."""
-        assert all(x in completion for x in "ls ls_known_host".split())
+        """
+        Should not complete commands when host is not specified.
+
+        Test sanity assumes there are commands starting with `ls`.
+        """
+        assert completion == "_known_host"
 
     @pytest.mark.complete("ssh bash", cwd="ssh")
     def test_3(self, completion):