Make executables print out git SHA1 info and build time (#487)

CMakeLists.txt

@@ -30,8 +30,6 @@ project("Nebula Graph" C CXX)
 
 set(CMAKE_SKIP_RPATH TRUE)
 
-set(CMAKE_VERBOSE_MAKEFILE TRUE)
-
 option(SKIP_JAVA_CLIENT "Whether to skip building the java client" OFF)
 option(ENABLE_JEMALLOC "Whether to link jemalloc to all executables" ON)
 option(ENABLE_NATIVE "Whether to build native client" OFF)
@@ -72,6 +70,20 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "_build")
 set(NEBULA_HOME ${CMAKE_CURRENT_SOURCE_DIR})
 add_definitions(-DNEBULA_HOME=${NEBULA_HOME})
 
+find_package(Git)
+if (GIT_FOUND AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.git")
+    execute_process(
+        COMMAND
+        ${GIT_EXECUTABLE} -C ${CMAKE_CURRENT_SOURCE_DIR} rev-parse --short HEAD
+        OUTPUT_VARIABLE GIT_INFO_SHA
+    )
+endif()
+
+if (GIT_INFO_SHA)
+    string(REGEX REPLACE "[^0-9a-f]+" "" GIT_INFO_SHA "${GIT_INFO_SHA}")
+    add_definitions(-DGIT_INFO_SHA=${GIT_INFO_SHA})
+endif()
+
 # To include customized FindXXX.cmake modules
 set(CMAKE_MODULE_PATH "${NEBULA_HOME}/cmake" ${CMAKE_MODULE_PATH})
 

src/common/base/Base.cpp

@@ -19,4 +19,15 @@ std::ostream& operator<<(std::ostream &os, const HostAddr &addr) {
     return os;
 }
 
+
+std::string versionString() {
+#if defined(GIT_INFO_SHA)
+    return folly::stringPrintf("Git: %s, Build Time: %s %s",
+                                NEBULA_STRINGIFY(GIT_INFO_SHA),
+                                __DATE__, __TIME__);
+#else
+    return folly::stringPrintf("Build Time: %s %s", __DATE__, __TIME__);
+#endif
+}
+
 }   // namespace nebula

src/common/base/Base.h

@@ -159,5 +159,7 @@ static constexpr auto is_constructible_v = std::is_constructible<T, Args...>::va
 template <typename U, typename T>
 static constexpr auto is_convertible_v = std::is_constructible<U, T>::value;
 
+std::string versionString();
+
 }  // namespace nebula
 #endif  // COMMON_BASE_BASE_H_

src/console/NebulaConsole.cpp

@@ -15,6 +15,7 @@ DEFINE_string(p, "", "Password used to authenticate");
 
 
 int main(int argc, char *argv[]) {
+    google::SetVersionString(nebula::versionString());
     folly::init(&argc, &argv, true);
 
     using nebula::graph::CliManager;

src/daemons/GraphDaemon.cpp

@@ -27,11 +27,11 @@ static void signalHandler(int sig);
 static Status setupSignalHandler();
 static Status setupLogging();
 static void printHelp(const char *prog);
-static void printVersion();
 
 DECLARE_string(flagfile);
 
 int main(int argc, char *argv[]) {
+    google::SetVersionString(nebula::versionString());
     if (argc == 1) {
         printHelp(argv[0]);
         return EXIT_FAILURE;
@@ -41,10 +41,6 @@ int main(int argc, char *argv[]) {
             printHelp(argv[0]);
             return EXIT_SUCCESS;
         }
-        if (::strcmp(argv[1], "-v") == 0) {
-            printVersion();
-            return EXIT_SUCCESS;
-        }
     }
 
     folly::init(&argc, &argv, true);
@@ -213,12 +209,5 @@ Status setupLogging() {
 
 
 void printHelp(const char *prog) {
-    fprintf(stderr, "%s -flagfile config_file\n", prog);
-    fprintf(stderr, "%s -h\n", prog);
-    fprintf(stderr, "%s -v\n", prog);
-}
-
-
-void printVersion() {
-    // TODO(dutor)
+    fprintf(stderr, "%s --flagfile <config_file>\n", prog);
 }

src/daemons/MetaDaemon.cpp

@@ -34,6 +34,7 @@ static void signalHandler(int sig);
 static Status setupSignalHandler();
 
 int main(int argc, char *argv[]) {
+    google::SetVersionString(nebula::versionString());
     folly::init(&argc, &argv, true);
     if (FLAGS_data_path.empty()) {
         LOG(ERROR) << "Meta Data Path should not empty";

src/daemons/StorageDaemon.cpp

@@ -45,6 +45,7 @@ static Status setupSignalHandler();
 
 
 int main(int argc, char *argv[]) {
+    google::SetVersionString(nebula::versionString());
     folly::init(&argc, &argv, true);
     if (FLAGS_daemonize) {
         google::SetStderrLogging(google::FATAL);