Merge branch 'rs/use-argv-array-in-child-process'

Code cleanup.

* rs/use-argv-array-in-child-process:
  send-pack: use internal argv_array of struct child_process
  http: use internal argv_array of struct child_process

diff --combined http.c
index 32d3326,9f2fcc9..5977712
--- 1/http.c
--- 2/http.c
+++ b/http.c
@@@ -866,11 -866,6 +866,11 @@@ static CURL *get_curl_handle(void
                        curl_easy_setopt(result,
                                CURLOPT_PROXYTYPE, CURLPROXY_SOCKS4);
  #endif
 +#if LIBCURL_VERSION_NUM >= 0x073400
 +              else if (starts_with(curl_http_proxy, "https"))
 +                      curl_easy_setopt(result,
 +                              CURLOPT_PROXYTYPE, CURLPROXY_HTTPS);
 +#endif
                if (strstr(curl_http_proxy, "://"))
                        credential_from_url(&proxy_auth, curl_http_proxy);
                else {
@@@ -2030,7 -2025,6 +2030,6 @@@ int finish_http_pack_request(struct htt
        char *tmp_idx;
        size_t len;
        struct child_process ip = CHILD_PROCESS_INIT;
-       const char *ip_argv[8];
  
        close_pack_index(p);
  
@@@ -2046,13 -2040,9 +2045,9 @@@
                die("BUG: pack tmpfile does not end in .pack.temp?");
        tmp_idx = xstrfmt("%.*s.idx.temp", (int)len, preq->tmpfile);
  
-       ip_argv[0] = "index-pack";
-       ip_argv[1] = "-o";
-       ip_argv[2] = tmp_idx;
-       ip_argv[3] = preq->tmpfile;
-       ip_argv[4] = NULL;
- 
-       ip.argv = ip_argv;
+       argv_array_push(&ip.args, "index-pack");
+       argv_array_pushl(&ip.args, "-o", tmp_idx, NULL);
+       argv_array_push(&ip.args, preq->tmpfile);
        ip.git_cmd = 1;
        ip.no_stdin = 1;
        ip.no_stdout = 1;