Merge pull request #153 from ricfehr3/feature/add-version

Add git hash baked into ROM for bug reports

Makefile

@@ -38,17 +38,23 @@ GRAPHICS	:= graphics
 #---------------------------------------------------------------------------------
 ARCH	:=	-mthumb -mthumb-interwork
 
+GIT_DIRTY := $(shell git diff-index --quiet HEAD -- || echo "-dirty")
+GIT_HASH := $(shell git rev-parse --short HEAD || echo "undef")
+GIT_C_FLAGS := -DGIT_HASH=\"$(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
 
 ASFLAGS	:=	-g $(ARCH)
-LDFLAGS	=	-g $(ARCH) -Wl,-Map,$(notdir $*.map)
+LDFLAGS	=	-g $(ARCH) -Wl,-Map,$(notdir $*.map),--undefined=balatro_version
 
 #---------------------------------------------------------------------------------
 # any extra libraries we wish to link with the project

scripts/build_bug_report.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+import sys
+import re
+
+def grep_binary_offsets(path, pattern):
+    with open(path, "rb") as f:
+        data = f.read()
+
+    results = []
+    for match in re.finditer(rb"[ -~]{4,}", data):
+        s = match.group()
+        if re.search(pattern.encode(), s):
+            results.append((match.start(), s.decode("utf-8", errors="ignore")))
+    return results
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python script.py <file>")
+        sys.exit(1)
+
+    file_path = sys.argv[1]
+    pattern   = "GBALATRO_VERSION"
+
+    for offset, text in grep_binary_offsets(file_path, pattern):
+        version = text.split(":")[1]
+        print(f"git hash: {version}")

source/version.c

@@ -0,0 +1,10 @@
+#ifndef GIT_HASH
+#define GIT_HASH "undef"
+#endif
+
+#ifndef GIT_DIRTY
+#define GIT_DIRTY "-dirty"
+#endif
+
+__attribute__((section(".version"), used))
+const char balatro_version[] = "GBALATRO_VERSION:" GIT_HASH GIT_DIRTY;