Add clang-format command to configuration. I use clang-format-3.7 for instance.

src/config.cc

@@ -71,6 +71,7 @@ void MainConfig::retrieve_config() {
   Singleton::Config::window()->default_size = {cfg.get<int>("default_window_size.width"), cfg.get<int>("default_window_size.height")};
   Singleton::Config::terminal()->make_command=cfg.get<std::string>("project.make_command");
   Singleton::Config::terminal()->cmake_command=cfg.get<std::string>("project.cmake_command");
+  Singleton::Config::terminal()->clang_format_commad=cfg.get<std::string>("project.clang_format_command");
   Singleton::Config::terminal()->history_size=cfg.get<int>("terminal_history_size");
 }
 

src/files.h

@@ -105,6 +105,7 @@ const std::string configjson =
 "        \"cmake_command\": \"cmake\",\n"
 #endif
 "        \"make_command\": \"make\"\n"
+"        \"clang_format_command\": \"clang-format\"\n"
 "    },\n"
 "    \"documentation_searches\": {\n"
 "        \"clang\": {\n"

src/source_clang.cc

@@ -924,7 +924,7 @@ Source::ClangViewAutocomplete(file_path, project_path, language) {
   });
   
   auto_indent=[this]() {
-    std::string command="clang-format";
+    auto command=Singleton::Config::terminal()->clang_format_command;
     unsigned indent_width;
     std::string tab_style;
     if(tab_char=='\t') {

src/terminal.h

@@ -16,6 +16,7 @@ public:
   public:
     std::string cmake_command;
     std::string make_command;
+    std::string clang_format_command;
     int history_size;
   };