Adding build version information to main window/log.

src/xenia/app/emulator_window.cc

@@ -9,6 +9,9 @@
 
 #include "xenia/app/emulator_window.h"
 
+// Autogenerated by `xb premake`.
+#include "build/version.h"
+
 #include "third_party/imgui/imgui.h"
 #include "xenia/base/clock.h"
 #include "xenia/base/logging.h"
@@ -33,7 +36,11 @@ const std::wstring kBaseTitle = L"xenia";
 EmulatorWindow::EmulatorWindow(Emulator* emulator)
     : emulator_(emulator),
       loop_(ui::Loop::Create()),
-      window_(ui::Window::Create(loop_.get(), kBaseTitle)) {}
+      window_(ui::Window::Create(loop_.get(), kBaseTitle)) {
+  base_title_ = kBaseTitle + L" (" + xe::to_wstring(XE_BUILD_BRANCH) + L"/" +
+                xe::to_wstring(XE_BUILD_COMMIT_SHORT) + L"/" +
+                xe::to_wstring(XE_BUILD_DATE) + L")";
+}
 
 EmulatorWindow::~EmulatorWindow() {
   loop_->PostSynchronous([this]() { window_.reset(); });
@@ -189,6 +196,21 @@ bool EmulatorWindow::Initialize() {
   // Help menu.
   auto help_menu = MenuItem::Create(MenuItem::Type::kPopup, L"&Help");
   {
+    help_menu->AddChild(MenuItem::Create(
+        MenuItem::Type::kString, L"Build commit on GitHub...", [this]() {
+          std::string url =
+              std::string("https://github.com/benvanik/xenia/tree/") +
+              XE_BUILD_COMMIT + "/";
+          LaunchBrowser(url.c_str());
+        }));
+    help_menu->AddChild(MenuItem::Create(
+        MenuItem::Type::kString, L"Recent changes on GitHub...", [this]() {
+          std::string url =
+              std::string("https://github.com/benvanik/xenia/compare/") +
+              XE_BUILD_COMMIT + "..." + XE_BUILD_BRANCH;
+          LaunchBrowser(url.c_str());
+        }));
+    help_menu->AddChild(MenuItem::Create(MenuItem::Type::kSeparator));
     help_menu->AddChild(
         MenuItem::Create(MenuItem::Type::kString, L"&Website...", L"F1",
                          std::bind(&EmulatorWindow::ShowHelpWebsite, this)));
@@ -253,7 +275,7 @@ void EmulatorWindow::ToggleFullscreen() {
 void EmulatorWindow::ShowHelpWebsite() { LaunchBrowser("http://xenia.jp"); }
 
 void EmulatorWindow::UpdateTitle() {
-  std::wstring title(kBaseTitle);
+  std::wstring title(base_title_);
   if (Clock::guest_time_scalar() != 1.0) {
     title += L" (@";
     title += xe::to_wstring(std::to_string(Clock::guest_time_scalar()));

src/xenia/app/emulator_window.h

@@ -11,6 +11,7 @@
 #define XENIA_APP_EMULATOR_WINDOW_H_
 
 #include <memory>
+#include <string>
 
 #include "xenia/ui/loop.h"
 #include "xenia/ui/menu_item.h"
@@ -52,6 +53,7 @@ class EmulatorWindow {
   Emulator* emulator_;
   std::unique_ptr<ui::Loop> loop_;
   std::unique_ptr<ui::Window> window_;
+  std::wstring base_title_;
 };
 
 }  // namespace app

src/xenia/base/main_win.cc

@@ -13,6 +13,9 @@
 #include <gflags/gflags.h>
 #include <io.h>
 
+// Autogenerated by `xb premake`.
+#include "build/version.h"
+
 #include "xenia/base/logging.h"
 #include "xenia/base/platform_win.h"
 #include "xenia/base/string.h"
@@ -88,6 +91,10 @@ int Main() {
   // Initialize logging. Needs parsed FLAGS.
   xe::InitializeLogging(entry_info.name);
 
+  // Print version info.
+  XELOGI("Build: %s / %s on %s", XE_BUILD_BRANCH, XE_BUILD_COMMIT,
+         XE_BUILD_DATE);
+
   // Call app-provided entry point.
   int result = entry_info.entry_point(args);
 

xenia-build

@@ -178,6 +178,57 @@ def shell_call(command, throw_on_error=True, stdout_path=None):
   return result
 
 
+def get_git_head_info():
+  """Queries the current branch and commit checksum from git.
+
+  Returns:
+    (branch_name, commit, commit_short)
+    If the user is not on any branch the name will be 'detached'.
+  """
+  p = subprocess.Popen([
+      'git',
+      'symbolic-ref',
+      '--short',
+      '-q',
+      'HEAD',
+      ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  (stdout, stderr) = p.communicate()
+  branch_name = stdout.strip() or 'detached'
+  p = subprocess.Popen([
+      'git',
+      'rev-parse',
+      'HEAD',
+      ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  (stdout, stderr) = p.communicate()
+  commit = stdout.strip() or 'unknown'
+  p = subprocess.Popen([
+      'git',
+      'rev-parse',
+      '--short',
+      'HEAD',
+      ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  (stdout, stderr) = p.communicate()
+  commit_short = stdout.strip() or 'unknown'
+  return (branch_name, commit, commit_short)
+
+
+def generate_version_h():
+  """Generates a build/version.h file that contains current git info.
+  """
+  (branch_name, commit, commit_short) = get_git_head_info()
+  contents = '''// Autogenerated by `xb premake`.
+#ifndef GENERATED_VERSION_H_
+#define GENERATED_VERSION_H_
+#define XE_BUILD_BRANCH "%s"
+#define XE_BUILD_COMMIT "%s"
+#define XE_BUILD_COMMIT_SHORT "%s"
+#define XE_BUILD_DATE __DATE__
+#endif  // GENERATED_VERSION_H_
+''' % (branch_name, commit, commit_short)
+  with open('build/version.h', 'w') as f:
+    f.write(contents)
+
+
 def git_submodule_update():
   """Runs a full recursive git submodule init and update.
 
@@ -253,6 +304,7 @@ def run_premake(target_os, action):
       '--verbose',
       action,
       ])
+  generate_version_h()
 
 
 def run_premake_clean():