feat(wget): ipv6 addresses for --bind-address

Fixes #1315

Author: yedayak

completions/wget

@@ -3,7 +3,7 @@
 _comp_cmd_wget()
 {
     local cur prev words cword was_split comp_args
-    _comp_initialize -s -- "$@" || return
+    _comp_initialize -s -n : -- "$@" || return
 
     local noargopts='!(-*|*[DPoaOitTwlQeBUARIX]*)'
     # shellcheck disable=SC2254
@@ -16,7 +16,7 @@ _comp_cmd_wget()
             return
             ;;
         --bind-address)
-            _comp_compgen_ip_addresses
+            _comp_compgen_ip_addresses -a
             return
             ;;
         --domains | --exclude-domains | -${noargopts}D)

test/t/test_wget.py

@@ -9,3 +9,8 @@ def test_1(self, completion):
     @pytest.mark.complete("wget --s", require_cmd=True)
     def test_2(self, completion):
         assert completion
+
+    @pytest.mark.complete("wget --bind-address=:")
+    def test_3(self, completion):
+        # Binding to ipv6 localhost
+        assert ":1" in completion