feat(curl): Complete protocols for --proto-default

completions/curl

@@ -22,7 +22,7 @@ _comp_cmd_curl()
             --happy-eyeballs-timeout-ms | --hostpubmd5 | --keepalive-time | \
             --limit-rate | --local-port | --login-options | --mail-auth | \
             --mail-from | --mail-rcpt | --max-filesize | --max-redirs | \
-            --max-time | --pass | --proto | --proto-default | --proto-redir | \
+            --max-time | --pass | --proto | --proto-redir | \
             --proxy-ciphers | --proxy-pass | --proxy-service-name | \
             --proxy-tls13-ciphers | --proxy-tlspassword | --proxy-tlsuser | \
             --proxy-user | --proxy1.0 | --quote | --range | --referer | \
@@ -127,6 +127,9 @@ _comp_cmd_curl()
             _comp_compgen_known_hosts -- "$cur"
             return
             ;;
+        --proto-default)
+            _comp_compgen_split "$("$1" --version 2>/dev/null | command sed -e '/Protocols/!d' -e 's/Protocols://')"
+            ;;
         --pubkey)
             _comp_compgen -x ssh identityfile pub
             return

test/t/test_curl.py

@@ -27,6 +27,10 @@ def test_data_atfile_dir(self, completion):
         assert completion == "d/"
         assert not completion.endswith(" ")
 
+    @pytest.mark.complete("curl --proto-default ", require_cmd=True)
+    def test_proto_default(self, completion):
+        assert completion
+
     @pytest.mark.complete("curl --dont-fail-in-unset-mode")
     def test_unknown_option(self, completion):
         # Just see that it does not error out