Add git sha1 info to the binary.

meson.build

@@ -26,6 +26,12 @@ project_config_file = configure_file(
 	output: 'config.h',
 	configuration: conf
 )
+gitrev_config_file = vcs_tag(
+	command: ['git', 'rev-parse', 'HEAD'],
+	input: 'src/git_version.h.in',
+	output: 'git_version.h',
+	fallback: 'n/a'
+)
 app_config_model = files('src/app_config.h.in')
 
 cxxopts_incl = include_directories('subprojects/cxxopts/include', '.')

src/cli/main.cpp

@@ -18,6 +18,7 @@
 #include "memcard.hpp"
 #include "config.h"
 #include "app_config.h"
+#include "git_version.h"
 #include <iostream>
 #include <cxxopts.hpp>
 #include <string>
@@ -50,6 +51,7 @@ int main(int argc, char* argv[]) {
 
 	if (command.count("version")) {
 		std::cout << PROJECT_NAME << " v" << project_ver()
+			<< (sizeof(PROJECT_GIT_SHA1) > 1 ? " git revision " PROJECT_GIT_SHA1 : "")
 			<< " built with " COMPILER_NAME " " COMPILER_VERSION
 			<< '\n';
 		std::cout << "Copyright (C) " COPYRIGHT_YEAR "  Michele Santullo\n";

src/cli/meson.build

@@ -13,6 +13,7 @@ executable(app_name,
 	'memcard.cpp',
 	project_config_file,
 	config_file,
+	gitrev_config_file,
 	dependencies: [
 		memcard_dep
 	],

src/git_version.h.in

@@ -0,0 +1,3 @@
+#pragma once
+
+#define PROJECT_GIT_SHA1 "@VCS_TAG@"

src/gui/meson.build

@@ -37,6 +37,7 @@ executable(app_name,
   'command_line.cpp',
   config_file,
   project_config_file,
+  gitrev_config_file,
   'run_gui.cpp',
   'main_window.cpp',
   'version_window.cpp',

src/gui/version_window.cpp

@@ -1,6 +1,7 @@
 #include "version_window.hpp"
 #include "app_config.h"
 #include "config.h"
+#include "git_version.h"
 #include <string>
 
 namespace mc {
@@ -28,6 +29,7 @@ VersionWindow::VersionWindow(nana::window owner) :
 	nana::form(owner, nana::size{615, 505}),
 	m_top_label(*this),
 	m_short_desc(*this),
+	m_git_revision(*this),
 	m_repo_link_1(*this),
 	m_repo_link_2(*this),
 	m_main_text(*this),
@@ -41,6 +43,10 @@ VersionWindow::VersionWindow(nana::window owner) :
 	m_short_desc.format(true);
 	m_short_desc.caption(std::string("is part of <bold>" PROJECT_NAME "</> v") + project_ver());
 
+	if constexpr (sizeof(PROJECT_GIT_SHA1) > 1) {
+		m_git_revision.caption("git revision " PROJECT_GIT_SHA1);
+	}
+
 	m_repo_link_1.format(true);
 	m_repo_link_1.caption("Official source code repository is available here:");
 	m_repo_link_2.format(true);
@@ -53,7 +59,11 @@ VersionWindow::VersionWindow(nana::window owner) :
 	m_close.events().click([this]() { this->close(); });
 
 	this->div("< vert margin=10 <vert top_label fit> <max=15> <main_text min=300> <max=15> <max=35 min=25 <><close><>> >");
-	(*this)["top_label"] << m_top_label << m_short_desc << m_repo_link_1 << m_repo_link_2;
+	(*this)["top_label"] << m_top_label << m_short_desc;
+	if constexpr (sizeof(PROJECT_GIT_SHA1) > 1) {
+		(*this)["top_label"] << m_git_revision;
+	}
+	(*this)["top_label"] << m_repo_link_1 << m_repo_link_2;
 	(*this)["main_text"] << m_main_text;
 	(*this)["close"] << m_close;
 	this->collocate();

src/gui/version_window.hpp

@@ -14,6 +14,7 @@ public:
 private:
 	nana::label m_top_label;
 	nana::label m_short_desc;
+	nana::label m_git_revision;
 	nana::label m_repo_link_1;
 	nana::label m_repo_link_2;
 	nana::textbox m_main_text;