Use git hash as ROM version string by default

.devcontainer/devcontainer.json

@@ -13,6 +13,7 @@
         }
     },
     "postCreateCommand": {
-        "editorconfig": "apt -y install npm nodejs && npm install -g editorconfig"
+        "editorconfig": "apt -y install npm nodejs && npm install -g editorconfig",
+        "git": "apt -y install git && git config --global --add safe.directory /workspaces/mega-drive-midi-interface"
     }
 }

.gitignore

@@ -1,3 +1,4 @@
+.DS_Store
 bin/
 *.bin
 *.o

Dockerfile

@@ -3,12 +3,14 @@ USER root
 RUN apt-get -y update && \
     apt-get -y install \
     build-essential \
+    git \
     cmake \
     gdb \
     gdbserver \
     valgrind \
     wget \
-    unzip
+    unzip && \
+    git config --global --add safe.directory "*"
 WORKDIR /app
 COPY tests/cmocka-*.tar.xz /app/tests/
 COPY tests/Makefile /app/tests/Makefile

Makefile

@@ -1,5 +1,6 @@
 SGDK=/sgdk
 MAKE=make
+BUILD?=$(shell git rev-parse --short HEAD)
 
 all: release out/rom.s test