split makefile into multiple scripts

Makefile

@@ -11,56 +11,4 @@ help:
 	@echo "  test      run tests"
 	@echo ""
 
-define DOCKERFILE_FORMAT
-FROM ubuntu:20.04
-
-RUN apt update && apt install -y --no-install-recommends \
-	clang-format
-
-ENTRYPOINT [ "sh", "-c", "clang-format \
-	-i \
-	--style=\"{BasedOnStyle: llvm, IndentWidth: 4}\"\
-	*.c \
-	*.h \
-	orientation/*.c \
-	orientation/*.h \
-	test/*.c" ]
-
-endef
-export DOCKERFILE_FORMAT
-
-format:
-	echo "$$DOCKERFILE_FORMAT" | docker build - -t temp
-	docker run --rm \
-	-v $(PWD):/s \
-	-w /s \
-	temp
-
-define DOCKERFILE_LINT
-FROM ubuntu:20.04
-
-RUN apt update && apt install -y --no-install-recommends \
-	clang-format
-
-ENTRYPOINT [ "sh", "-c", "clang-format \
-	--dry-run \
-	--Werror \
-	--style=\"{BasedOnStyle: llvm, IndentWidth: 4}\"\
-	*.c \
-	*.h \
-	orientation/*.c \
-	orientation/*.h \
-	test/*.c" ]
-
-endef
-export DOCKERFILE_LINT
-
-lint:
-	echo "$$DOCKERFILE_LINT" | docker build - -t temp
-	docker run --rm \
-	-v $(PWD):/s \
-	-w /s \
-	temp
-
-test:
-	cd test && make build-cross
+include scripts/*.mk

scripts/format.mk

@@ -0,0 +1,24 @@
+define DOCKERFILE_FORMAT
+FROM ubuntu:20.04
+
+RUN apt update && apt install -y --no-install-recommends \
+	clang-format
+
+ENTRYPOINT [ "sh", "-c", "clang-format \
+	-i \
+	--style=\"{BasedOnStyle: llvm, IndentWidth: 4}\"\
+	*.c \
+	*.h \
+	orientation/*.c \
+	orientation/*.h \
+	test/*.c" ]
+
+endef
+export DOCKERFILE_FORMAT
+
+format:
+	echo "$$DOCKERFILE_FORMAT" | docker build - -t temp
+	docker run --rm \
+	-v $(PWD):/s \
+	-w /s \
+	temp

scripts/lint.mk

@@ -0,0 +1,25 @@
+define DOCKERFILE_LINT
+FROM ubuntu:20.04
+
+RUN apt update && apt install -y --no-install-recommends \
+	clang-format
+
+ENTRYPOINT [ "sh", "-c", "clang-format \
+	--dry-run \
+	--Werror \
+	--style=\"{BasedOnStyle: llvm, IndentWidth: 4}\"\
+	*.c \
+	*.h \
+	orientation/*.c \
+	orientation/*.h \
+	test/*.c" ]
+
+endef
+export DOCKERFILE_LINT
+
+lint:
+	echo "$$DOCKERFILE_LINT" | docker build - -t temp
+	docker run --rm \
+	-v $(PWD):/s \
+	-w /s \
+	temp

scripts/test.mk

@@ -0,0 +1,2 @@
+test:
+	cd test && make build-cross