Re: [PATCH v7 1/2] http.c: implement the GIT_TRACE_CURL environment variable

+static void curl_dump_header(const char *text, unsigned char *ptr, size_t size, int hide_sensitive_header)
+{
+       struct strbuf out = STRBUF_INIT;
+       const char *sensitive_header;

+       struct strbuf **headers, **header;
+
+       strbuf_addf(&out, "%s, %10.10ld bytes (0x%8.8lx)\n",
+               text, (long)size, (long)size);
+       trace_strbuf(&trace_curl, &out);
+       strbuf_reset(&out);
+       strbuf_add(&out, ptr, size);
+       headers = strbuf_split_max(&out, '\n', 0);
+
+       for (header = headers; *header; header++) {
+               if (hide_sensitive_header)
+                       redact_sensitive_header(*header);
+               strbuf_insert((*header), 0, text, strlen(text));
+               strbuf_insert((*header), strlen(text), ": ", 2);
+               strbuf_rtrim((*header));
+               strbuf_addch((*header), '\n');
+               trace_strbuf(&trace_curl, (*header));
+       }
+       strbuf_list_free(headers);
+       strbuf_release(&out);
+}