From ebe789aa52afa359894f0d11d2958b1439a3acca Mon Sep 17 00:00:00 2001
From: Rickey Fehr <ric@rf3.xyz>
Date: Tue, 23 Sep 2025 16:15:50 -0700
Subject: [PATCH] Add git hash baked into ROM for bug reports

---
 Makefile          | 6 ++++++
 include/version.h | 7 +++++++
 source/game.c     | 1 +
 3 files changed, 14 insertions(+)
 create mode 100644 include/version.h

diff --git a/Makefile b/Makefile
index 9bee64f..d76c021 100644
--- a/Makefile
+++ b/Makefile
@@ -38,11 +38,17 @@ GRAPHICS	:= graphics
 #---------------------------------------------------------------------------------
 ARCH	:=	-mthumb -mthumb-interwork
 
+GIT_DIRTY := $(shell git diff-index --quiet HEAD -- || echo "-dirty")
+GIT_HASH := $(shell git rev-parse --short HEAD)
+GIT_C_FLAGS := -DGIT_HASH=\"$(GIT_HASH)\" -DGIT_DIRTY=\"$(GIT_DIRTY)\"
+
 CFLAGS	:= -g -O3 -Wall -Werror\
         -mcpu=arm7tdmi -mtune=arm7tdmi \
         -ffast-math -fomit-frame-pointer -funroll-loops \
         $(ARCH)
 
+CFLAGS  += $(GIT_C_FLAGS)
+
 CFLAGS	+=	$(INCLUDE)
 
 CXXFLAGS	:=	$(CFLAGS) -fno-rtti -fno-exceptions
diff --git a/include/version.h b/include/version.h
new file mode 100644
index 0000000..8e1345b
--- /dev/null
+++ b/include/version.h
@@ -0,0 +1,7 @@
+#ifndef VERSION_H
+#define VERSION_H
+
+__attribute__((used))
+const char gba_version[] = "GBA_VERSION:" GIT_HASH GIT_DIRTY;
+
+#endif // VERSION_H
diff --git a/source/game.c b/source/game.c
index 625ecc6..018ebb6 100644
--- a/source/game.c
+++ b/source/game.c
@@ -28,6 +28,7 @@
 #include "soundbank.h"
 
 #include "list.h"
+#include "version.h"
 
 static uint rng_seed = 0;