Fix github commit sha

Dockerfile

@@ -15,6 +15,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends libusb-dev && \
 
 # python builder, help keep image small
 FROM python:3.8-buster as python_builder
+ARG GITHUB_SHA=${GITHUB_SHA}
+
 ENV DEBIAN_FRONTEND=noninteractive
 # These two environment variables prevent __pycache__/ files.
 ENV PYTHONUNBUFFERED=1

Makefile

@@ -1,5 +1,7 @@
 IMAGE ?= theyosh/terrariumpi
 VERSION ?= $(shell grep -E "__version__ = '(.*)'" terrariumPI.py | grep -Po [0-9\.]+)
+GITHUB_SHA ?= $(shell git rev-parse HEAD)
+
 
 .PHONY: build run logs
 
@@ -11,15 +13,17 @@ build:
 		--progress=plain \
 		--platform linux/arm/v7 \
 		-t $(IMAGE):$(VERSION) \
+		--build-arg GITHUB_SHA=${GITHUB_SHA} \
 		-f Dockerfile \
 		.
 
 push:
 	docker run --privileged docker/binfmt:a7996909642ee92942dcd6cff44b9b95f08dad64
-	docker buildx build \
+	GITHUB_SHA=${GITHUB_SHA} docker buildx build \
 		--progress=plain \
 		--platform linux/arm/v7 \
 		-t $(IMAGE):$(VERSION) \
+		--build-arg GITHUB_SHA=${GITHUB_SHA} \
 		-f Dockerfile \
 		--push \
 		.
@@ -36,4 +40,4 @@ logs:
 
 docs:
 	bundle install
-	cd docs && jekyll serve
+	cd docs && jekyll serve