add Makefile

Makefile

@@ -0,0 +1,20 @@
+
+.PHONY: clean check-nix check-git
+.DEFAULT_GOAL = all
+
+GIT_COMMIT = $(shell git rev-parse HEAD)
+SOURCES = include/*.inc
+
+all: check-nix check-git ${SOURCES}
+	@echo "Starting build with git commit ID: ${GIT_COMMIT}"
+	nix-build --argstr ref ${GIT_COMMIT}
+
+clean:
+	rm result || true
+
+check-git:
+	@command -v git > /dev/null 2>&1 || (echo "Must have git installed on your system." && exit 1)
+	@git rev-parse HEAD >/dev/null 2>&1 || (echo "Must be running inside of a git repository." && exit 1)
+
+check-nix:
+	@command -v nix-build > /dev/null 2>&1 || (echo "Must have Nix installed on your system." && exit 1)