#include "list-objects.h"
 #include "sigchain.h"
 
+#ifdef EXPAT_NEEDS_XMLPARSE_H
+#include <xmlparse.h>
+#else
 #include <expat.h>
+#endif
 
 static const char http_push_usage[] =
 "git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n";
 static char *xml_entities(const char *s)
 {
        struct strbuf buf = STRBUF_INIT;
-       while (*s) {
-               size_t len = strcspn(s, "\"<>&");
-               strbuf_add(&buf, s, len);
-               s += len;
-               switch (*s) {
-               case '"':
-                       strbuf_addstr(&buf, """);
-                       break;
-               case '<':
-                       strbuf_addstr(&buf, "<");
-                       break;
-               case '>':
-                       strbuf_addstr(&buf, ">");
-                       break;
-               case '&':
-                       strbuf_addstr(&buf, "&");
-                       break;
-               case 0:
-                       return strbuf_detach(&buf, NULL);
-               }
-               s++;
-       }
+       strbuf_addstr_xml_quoted(&buf, s);
        return strbuf_detach(&buf, NULL);
 }
 
 
        sprintf(url, "%s%s", repo->url, path);
 
-       switch (http_get_strbuf(url, NULL, 0)) {
+       switch (http_get_strbuf(url, NULL, NULL, 0)) {
        case HTTP_OK:
                ret = 1;
                break;
                ret = 0;
                break;
        case HTTP_ERROR:
-               http_error(url, HTTP_ERROR);
+               error("unable to access '%s': %s", url, curl_errorstr);
        default:
                ret = -1;
        }
        url = xmalloc(strlen(repo->url) + strlen(path) + 1);
        sprintf(url, "%s%s", repo->url, path);
 
-       if (http_get_strbuf(url, &buffer, 0) != HTTP_OK)
+       if (http_get_strbuf(url, NULL, &buffer, 0) != HTTP_OK)
                die("Couldn't get %s for remote symref\n%s", url,
                    curl_errorstr);
        free(url);
 {
        struct commit *head = lookup_commit_or_die(head_sha1, "HEAD");
        struct commit *branch = lookup_commit_or_die(remote->old_sha1, remote->name);
-       struct commit_list *merge_bases = get_merge_bases(head, branch, 1);
 
-       return (merge_bases && !merge_bases->next && merge_bases->item == branch);
+       return in_merge_bases(branch, head);
 }
 
 static int delete_remote_branch(const char *pattern, int force)