toolchain/Makefile

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Makefile
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2023-01-28 00:05:03 +00:00
NAME := $(shell basename $(shell git rev-parse --show-toplevel))
IMAGE := local/$(NAME):latest
ARCH := x86_64
TARGET := $(ARCH)
USER := $(shell id -u):$(shell id -g)
CPUS := $(shell docker run -it debian nproc)
GIT_REF := $(shell git log -1 --format=%H config)
GIT_AUTHOR := $(shell git log -1 --format=%an config)
GIT_KEY := $(shell git log -1 --format=%GP config)
GIT_EPOCH := $(shell git log -1 --format=%at config)
GIT_DATETIME := \
$(shell git log -1 --format=%cd --date=format:'%Y-%m-%d %H:%M:%S' config)
ifeq ($(strip $(shell git status --porcelain 2>/dev/null)),)
GIT_STATE=clean
else
GIT_STATE=dirty
endif
VERSION := $(shell TZ=UTC0 git show --quiet --date='format-local:%Y%m%dT%H%M%SZ' --format="%cd")
RELEASE_DIR := release/$(VERSION)
CONFIG_DIR := config
CACHE_DIR := cache
SRC_DIR := src
OUT_DIR := out
docker = docker
include $(CONFIG_DIR)/global.env
export $(shell sed 's/=.*//' $(CONFIG_DIR)/global.env)
## Use env vars from existing release if present
ifneq (,$(wildcard $(RELEASE_DIR)/release.env))
include $(RELEASE_DIR)/release.env
export
endif
executables = $(docker) git patch
.PHONY: toolchain
toolchain: $(CACHE_DIR)/toolchain.tar $(CACHE_DIR)/toolchain.env
# Launch a shell inside the toolchain container
.PHONY: toolchain-shell
toolchain-shell: toolchain
$(call toolchain,$(USER),"bash --norc")
# Pin all packages in toolchain container to latest versions
.PHONY: toolchain-update
toolchain-update:
docker run \
--rm \
--env LOCAL_USER=$(USER) \
--platform=linux/$(ARCH) \
--volume $(PWD)/$(CONFIG_DIR):/config \
--volume $(PWD)/$(SRC_DIR)/toolchain/scripts:/usr/local/bin \
--env ARCH=$(ARCH) \
--interactive \
--tty \
debian@sha256:$(DEBIAN_HASH) \
bash -c /usr/local/bin/packages-update
.PHONY: attest
attest:
rm -rf $(CACHE_DIR) $(OUT_DIR)
$(MAKE)
diff -q $(OUT_DIR)/manifest.txt release/$(VERSION)/manifest.txt;
$(RELEASE_DIR):
mkdir -p $@
$(CACHE_DIR):
mkdir -p $@
$(OUT_DIR):
mkdir -p $@
.ONESHELL:
$(CACHE_DIR)/toolchain.env: $(CACHE_DIR)
cat <<- EOF > $@
HOME=/home/build
PS1=$(NAME)-toolchain
GNUPGHOME=/cache/.gnupg
ARCH=$(ARCH)
TARGET=$(ARCH)
GIT_REF=$(GIT_REF)
GIT_AUTHOR=$(GIT_AUTHOR)
GIT_KEY=$(GIT_KEY)
GIT_DATETIME=$(GIT_DATETIME)
GIT_EPOCH=$(GIT_EPOCH)
FAKETIME_FMT="%s"
FAKETIME="1"
SOURCE_DATE_EPOCH=1
KBUILD_BUILD_TIMESTAMP="1970-01-01 00:00:00 UTC"
KCONFIG_NOTIMESTAMP=1
KBUILD_BUILD_USER=root
KBUILD_BUILD_HOST=$(NAME)
KBUILD_BUILD_VERSION=1
UID=$(shell id -u)
GID=$(shell id -g)
RELEASE_DIR=release/$(VERSION)
CONFIG_DIR=/home/build/$(CONFIG_DIR)
CACHE_DIR=/home/build/$(CACHE_DIR)
SRC_DIR=/home/build/$(SRC_DIR)
OUT_DIR=/home/build/$(OUT_DIR)
EOF
$(CACHE_DIR)/toolchain.tar:
mkdir -p $(CACHE_DIR)
DOCKER_BUILDKIT=1 \
docker build \
--tag $(IMAGE) \
--build-arg DEBIAN_HASH=$(DEBIAN_HASH) \
--build-arg CONFIG_DIR=$(CONFIG_DIR) \
--build-arg SCRIPTS_DIR=$(SRC_DIR)/toolchain/scripts \
--platform=linux/$(ARCH) \
-f $(SRC_DIR)/toolchain/Dockerfile \
.
docker save "$(IMAGE)" -o "$@"
$(RELEASE_DIR)/release.env: \
$(RELEASE_DIR) \
$(OUT_DIR)/release.env
cp $(OUT_DIR)/release.env $(RELEASE_DIR)/release.env
$(RELEASE_DIR)/manifest.txt: \
$(RELEASE_DIR) \
$(OUT_DIR)/manifest.txt
cp $(OUT_DIR)/manifest.txt $(RELEASE_DIR)/manifest.txt
$(OUT_DIR)/release.env: | $(OUT_DIR)
echo 'VERSION=$(VERSION)' > $(OUT_DIR)/release.env
echo 'GIT_REF=$(GIT_REF)' >> $(OUT_DIR)/release.env
echo 'GIT_AUTHOR=$(GIT_AUTHOR)' >> $(OUT_DIR)/release.env
echo 'GIT_KEY=$(GIT_KEY)' >> $(OUT_DIR)/release.env
echo 'GIT_DATETIME=$(GIT_DATETIME)' >> $(OUT_DIR)/release.env
$(OUT_DIR)/manifest.txt: | $(OUT_DIR)
find $(OUT_DIR) \
-type f \
-not -path "$(OUT_DIR)/manifest.txt" \
-exec openssl sha256 -r {} \; \
| sed -e 's/ \*/ /g' -e 's/ \.\// /g' \
| LC_ALL=C sort -k2 \
> $@
check_executables := $(foreach exec,$(executables),\$(if \
$(shell which $(exec)),some string,$(error "No $(exec) in PATH")))
define git_clone
[ -d $(CACHE_DIR)/$(1) ] || git clone $(2) $(CACHE_DIR)/$(1)
git -C $(CACHE_DIR)/$(1) checkout $(3)
git -C $(CACHE_DIR)/$(1) rev-parse --verify HEAD | grep -q $(3) || { \
echo 'Error: Git ref/branch collision.'; exit 1; \
};
endef
define apply_patches
[ -d $(2) ] && $(call toolchain,$(USER)," \
cd $(1); \
git restore .; \
find /$(2) -type f -iname '*.patch' -print0 \
| xargs -t -0 -n 1 patch -p1 --no-backup-if-mismatch -i ; \
")
endef
define toolchain
docker load -i $(CACHE_DIR)/toolchain.tar
docker run \
--rm \
--tty \
--interactive \
--user=$(1) \
--platform=linux/$(ARCH) \
--cpus $(CPUS) \
--volume $(PWD):/home/build \
--workdir /home/build \
--env-file=$(CONFIG_DIR)/global.env \
--env-file=$(CACHE_DIR)/toolchain.env \
$(IMAGE) \
bash -c $(2)
endef