From 8c9ff2d79a81b799fd2b598f14b587298ea538b0 Mon Sep 17 00:00:00 2001
From: Teon Banek <teon.banek@memgraph.io>
Date: Tue, 26 Sep 2017 09:43:43 +0200
Subject: [PATCH] Add version.hpp.in and display it on '--version' flag

Reviewers: mferencevic, buda, mislav.bradac

Reviewed By: mislav.bradac

Subscribers: pullbot

Differential Revision: https://phabricator.memgraph.io/D831
---
 CMakeLists.txt        | 5 +++++
 src/memgraph_bolt.cpp | 3 +++
 src/version.hpp.in    | 3 +++
 3 files changed, 11 insertions(+)
 create mode 100644 src/version.hpp.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b26fd719c..5b1268c0d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,6 +81,11 @@ set(libs_dir ${CMAKE_SOURCE_DIR}/libs)
 set(tests_dir ${CMAKE_SOURCE_DIR}/tests)
 # -----------------------------------------------------------------------------
 
+# Generate a version.hpp file
+set(VERSION_STRING ${${project_name}_VERSION})
+configure_file(${src_dir}/version.hpp.in include/version.hpp @ONLY)
+include_directories(${CMAKE_CURRENT_BINARY_DIR}/include)
+
 # build flags -----------------------------------------------------------------
 # release flags
 set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
diff --git a/src/memgraph_bolt.cpp b/src/memgraph_bolt.cpp
index 9cc113c6a..57bb03559 100644
--- a/src/memgraph_bolt.cpp
+++ b/src/memgraph_bolt.cpp
@@ -18,6 +18,8 @@
 #include "utils/sysinfo/memory.hpp"
 #include "utils/terminate_handler.hpp"
 
+#include "version.hpp"
+
 namespace fs = std::experimental::filesystem;
 using endpoint_t = io::network::NetworkEndpoint;
 using socket_t = io::network::Socket;
@@ -92,6 +94,7 @@ void load_config(int &argc, char **&argv) {
 
 int main(int argc, char **argv) {
   fs::current_path(fs::path(argv[0]).parent_path());
+  gflags::SetVersionString(version_string);
   load_config(argc, argv);
 
   google::InitGoogleLogging(argv[0]);
diff --git a/src/version.hpp.in b/src/version.hpp.in
new file mode 100644
index 000000000..a48a534eb
--- /dev/null
+++ b/src/version.hpp.in
@@ -0,0 +1,3 @@
+#pragma once
+
+static const char *version_string = "@VERSION_STRING@";