Merge pull request #424 from OpenVicProject/add/git-info

Add commit info to GameManager

Author: Spartan322

.gitignore

@@ -87,3 +87,6 @@ src/openvic-simulation/testing/test_results/results.txt
 
 # ccls
 .ccls-cache
+
+# Generated source files
+src/openvic-simulation/gen/*

SConstruct

@@ -29,6 +29,27 @@ SConscript("deps/SCsub", "env")
 
 env.openvic_simulation = {}
 
+def version_git_info_builder(target, source, env):
+    with open(str(target[0]), "wt", encoding="utf-8", newline="\n") as file:
+        file.write("/* THIS FILE IS GENERATED. EDITS WILL BE LOST. */\n\n")
+        file.write(
+            """\
+#pragma once
+
+#include <cstdint>
+#include <string_view>
+
+namespace OpenVic {{
+	static constexpr std::string_view SIM_COMMIT_HASH = "{git_hash}";
+	static constexpr const uint64_t SIM_COMMIT_TIMESTAMP = {git_timestamp}ull;
+}}
+""".format(**source[0].read())
+        )
+
+result = env.Command("src/openvic-simulation/gen/commit_info.gen.hpp", env.Value(env.get_git_info()), env.Action(version_git_info_builder, "$GENCOMSTR"))
+env.NoCache(result)
+Default(result)
+
 # For future reference:
 # - CCFLAGS are compilation flags shared between C and C++
 # - CFLAGS are for C-specific compilation flags

src/headless/main.cpp

@@ -116,6 +116,8 @@ static bool run_headless(Dataloader::path_vector_t const& roots, bool run_tests)
 		Logger::info("State updated");
 	} };
 
+	Logger::info("Commit hash: ", GameManager::get_commit_hash());
+
 	Logger::info("===== Loading definitions... =====");
 	ret &= game_manager.set_roots(roots);
 	ret &= game_manager.load_definitions(

src/openvic-simulation/GameManager.hpp

@@ -6,6 +6,7 @@
 #include "openvic-simulation/InstanceManager.hpp"
 #include "openvic-simulation/dataloader/Dataloader.hpp"
 #include "openvic-simulation/misc/GameRulesManager.hpp"
+#include "openvic-simulation/gen/commit_info.gen.hpp"
 
 namespace OpenVic {
 	struct GameManager {
@@ -40,5 +41,13 @@ namespace OpenVic {
 		bool start_game_session();
 
 		bool update_clock();
+
+		static constexpr std::string_view get_commit_hash() {
+			return SIM_COMMIT_HASH;
+		}
+
+		static constexpr uint64_t get_commit_timestamp() {
+			return SIM_COMMIT_TIMESTAMP;
+		}
 	};
 }