hyper: does not support disabling CURLOPT_HTTP_TRANSFER_DECODING

Simply because hyper doesn't have this ability. Mentioned in docs now.

Skip test 326 then

Closes #7889

docs/HYPER.md

@@ -49,6 +49,7 @@ over the wire with Hyper.
 The hyper backend doesn't support
 
 - `CURLOPT_IGNORE_CONTENT_LENGTH`
+- `--raw` and disabling `CURLOPT_HTTP_TRANSFER_DECODING`
 - RTSP
 
 ## Remaining issues

docs/libcurl/opts/CURLOPT_HTTP_TRANSFER_DECODING.3

@@ -49,7 +49,8 @@ if(curl) {
 }
 .fi
 .SH AVAILABILITY
-Added in 7.16.2
+Added in 7.16.2 Does not work with the hyper backend (it will always have
+transfer decoding enabled).
 .SH RETURN VALUE
 Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
 .SH "SEE ALSO"

lib/setopt.c

@@ -2516,8 +2516,12 @@ CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option, va_list param)
     /*
      * disable libcurl transfer encoding is used
      */
+#ifndef USE_HYPER
     data->set.http_te_skip = (0 == va_arg(param, long)) ? TRUE : FALSE;
     break;
+#else
+    return CURLE_NOT_BUILT_IN; /* hyper doesn't support */
+#endif
 
   case CURLOPT_HTTP_CONTENT_DECODING:
     /*

tests/data/DISABLED

@@ -42,7 +42,6 @@
 %if hyper
 265
 266
-326
 357
 358
 359

tests/data/test326

@@ -39,6 +39,9 @@ line 1
 #
 # Client-side
 <client>
+<features>
+!hyper
+</features>
 <server>
 http
 </server>