Be better about recognizing HTTP_PROXY

cpp/ci_logic.cpp

@@ -443,11 +443,12 @@ void CiLogic::clone_or_fetch(const std::filesystem::path &repo_dir,
                 proxy = !found_no_proxy;
             } else {
                 proxy = true;
+            }
+
             proxy_opts.type = GIT_PROXY_SPECIFIED;
             proxy_opts.url = tmp_proxy;
         }
     }
-    }
 
     git_repository* repo = nullptr;
     int error = git_repository_open(&repo, repo_dir.c_str());