submodule: ensure that -c http.extraheader is heeded

diff --git a/http.c b/http.c
index 1d5e3bbd11ae0e7dc0e682d3914e07cc13a0ce14..aae9944cb9187bd0821c2bfbd55025a4235b9aff 100644 (file)
--- a/http.c
+++ b/http.c
@@ -70,6 +70,7 @@ static long curl_low_speed_limit = -1;
 static long curl_low_speed_time = -1;
 static int curl_ftp_no_epsv;
 static const char *curl_http_proxy;
+static const char *curl_no_proxy;
 static const char *http_proxy_authmethod;
 static struct {
        const char *name;
@@ -113,6 +114,7 @@ static unsigned long http_auth_methods = CURLAUTH_ANY;
 
 static struct curl_slist *pragma_header;
 static struct curl_slist *no_pragma_header;
+static struct curl_slist *extra_http_headers;
 
 static struct active_request_slot *active_queue_head;
 
@@ -322,6 +324,19 @@ static int http_options(const char *var, const char *value, void *cb)
 #endif
        }
 
+       if (!strcmp("http.extraheader", var)) {
+               if (!value) {
+                       return config_error_nonbool(var);
+               } else if (!*value) {
+                       curl_slist_free_all(extra_http_headers);
+                       extra_http_headers = NULL;
+               } else {
+                       extra_http_headers =
+                               curl_slist_append(extra_http_headers, value);
+               }
+               return 0;
+       }
+
        /* Fall back on the default ones */
        return git_default_config(var, value, cb);
 }
@@ -624,6 +639,11 @@ static CURL *get_curl_handle(void)
                }
 
                curl_easy_setopt(result, CURLOPT_PROXY, proxy_auth.host);
+#if LIBCURL_VERSION_NUM >= 0x071304
+               var_override(&curl_no_proxy, getenv("NO_PROXY"));
+               var_override(&curl_no_proxy, getenv("no_proxy"));
+               curl_easy_setopt(result, CURLOPT_NOPROXY, curl_no_proxy);
+#endif
        }
        init_curl_proxy_auth(result);
 
@@ -669,8 +689,10 @@ void http_init(struct remote *remote, const char *url, int proactive_auth)
        if (remote)
                var_override(&http_proxy_authmethod, remote->http_proxy_authmethod);
 
-       pragma_header = curl_slist_append(pragma_header, "Pragma: no-cache");
-       no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:");
+       pragma_header = curl_slist_append(http_copy_default_headers(),
+               "Pragma: no-cache");
+       no_pragma_header = curl_slist_append(http_copy_default_headers(),
+               "Pragma:");
 
 #ifdef USE_CURL_MULTI
        {
@@ -756,6 +778,9 @@ void http_cleanup(void)
 #endif
        curl_global_cleanup();
 
+       curl_slist_free_all(extra_http_headers);
+       extra_http_headers = NULL;
+
        curl_slist_free_all(pragma_header);
        pragma_header = NULL;
 
@@ -1154,6 +1179,16 @@ int run_one_slot(struct active_request_slot *slot,
        return handle_curl_result(results);
 }
 
+struct curl_slist *http_copy_default_headers(void)
+{
+       struct curl_slist *headers = NULL, *h;
+
+       for (h = extra_http_headers; h; h = h->next)
+               headers = curl_slist_append(headers, h->data);
+
+       return headers;
+}
+
 static CURLcode curlinfo_strbuf(CURL *curl, CURLINFO info, struct strbuf *buf)
 {
        char *ptr;
@@ -1371,7 +1406,7 @@ static int http_request(const char *url,
 {
        struct active_request_slot *slot;
        struct slot_results results;
-       struct curl_slist *headers = NULL;
+       struct curl_slist *headers = http_copy_default_headers();
        struct strbuf buf = STRBUF_INIT;
        const char *accept_language;
        int ret;