tshark: complete -r arg with all filenames (#422)

It accepts a lot of file types.

https://www.wireshark.org/docs/wsug_html_chunked/ChIOOpenSection.html#ChIOInputFormatsSection

Modified-by: Ville Skyttä <ville.skytta@iki.fi>

Author: pdnm

completions/tshark

@@ -58,11 +58,8 @@ _tshark()
             [[ ${COMPREPLY-} == *: ]] && compopt -o nospace
             return
             ;;
-        -*r)
-            _filedir '@(pcap?(ng)|cap)?(.gz)'
-            return
-            ;;
-        -*H)
+        -*[rH])
+            # -r accepts a lot of different file types
             _filedir
             return
             ;;

test/t/test_tshark.py

@@ -28,3 +28,7 @@ def test_5(self, completion):
     def test_6(self, completion):
         """Test there are no URLs in completions."""
         assert not any("://" in x for x in completion)
+
+    @pytest.mark.complete("tshark -r ")
+    def test_input_files(self, completion):
+        assert completion