toolchain/Makefile

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Makefile
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DEFAULT_GOAL := $(or $(DEFAULT_GOAL),toolchain)
ARCH := $(or $(ARCH),x86_64)
TARGET := $(or $(TARGET),$(ARCH))
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PLATFORM := $(or $(PLATFORM),linux)
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NAME := $(shell basename $(shell git rev-parse --show-toplevel | tr A-Z a-z ))
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IMAGE := local/$(NAME)
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USER := $(shell id -u):$(shell id -g)
CPUS := $(shell docker run -it debian nproc)
GIT_REF := $(shell git log -1 --format=%H)
GIT_AUTHOR := $(shell git log -1 --format=%an)
GIT_KEY := $(shell git log -1 --format=%GP)
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GIT_TIMESTAMP := $(shell git log -1 --format=%cd --date=iso)
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ifeq ($(strip $(shell git status --porcelain 2>/dev/null)),)
GIT_STATE=clean
else
GIT_STATE=dirty
endif
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VERSION := $(shell TZ=UTC0 git show --quiet --date='format-local:%Y.%m.%d' --format="%cd")
DIST_DIR := dist
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CONFIG_DIR := config
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CACHE_DIR_ROOT := cache
FETCH_DIR := $(CACHE_DIR_ROOT)/fetch
ifeq ($(TARGET),$(ARCH))
CACHE_DIR := $(CACHE_DIR_ROOT)/$(TARGET)
else
CACHE_DIR := $(CACHE_DIR_ROOT)/$(TARGET)/$(ARCH)
endif
BIN_DIR := $(CACHE_DIR_ROOT)/bin
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SRC_DIR := src
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KEY_DIR := keys
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OUT_DIR := out
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export
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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 $(DIST_DIR)/release.env))
include $(DIST_DIR)/release.env
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export
endif
executables = $(docker) git patch
.PHONY: toolchain
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toolchain: \
$(CACHE_DIR) \
$(FETCH_DIR) \
$(DIST_DIR) \
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$(BIN_DIR) \
$(OUT_DIR) \
$(CACHE_DIR_ROOT)/toolchain.tar \
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$(CACHE_DIR_ROOT)/toolchain.state \
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$(CACHE_DIR_ROOT)/toolchain.env
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# 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: toolchain-clean
toolchain-clean:
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rm -rf $(CACHE_DIR_ROOT) $(OUT_DIR)
docker image rm -f $(IMAGE)
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.PHONY: attest
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attest: toolchain-clean
mkdir -p $(OUT_DIR)
cp $(DIST_DIR)/release.env $(OUT_DIR)/release.env
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$(MAKE) TARGET=$(TARGET) VERSION=$(VERSION)
diff -q $(OUT_DIR)/manifest.txt $(DIST_DIR)/manifest.txt;
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$(DIST_DIR):
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mkdir -p $@
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$(BIN_DIR):
mkdir -p $@
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$(CACHE_DIR):
mkdir -p $@
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$(FETCH_DIR):
mkdir -p $@
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$(OUT_DIR):
mkdir -p $@
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$(CACHE_DIR_ROOT)/toolchain.env: \
$(CACHE_DIR) \
$(SRC_DIR)/toolchain/scripts/environment
$(SRC_DIR)/toolchain/scripts/environment > $@
$(CACHE_DIR_ROOT)/toolchain.tar: \
$(SRC_DIR)/toolchain/Dockerfile \
$(CONFIG_DIR)/toolchain/package-hashes-$(ARCH).txt \
$(CONFIG_DIR)/toolchain/packages-base.list \
$(CONFIG_DIR)/toolchain/packages-$(ARCH).list \
$(CONFIG_DIR)/toolchain/sources.list
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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 "$@"
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$(CACHE_DIR_ROOT)/toolchain.state: \
$(CACHE_DIR_ROOT)/toolchain.tar
docker load -i $(CACHE_DIR_ROOT)/toolchain.tar
docker images --no-trunc --quiet $(IMAGE) > $@
$(DIST_DIR)/release.env: \
$(DIST_DIR) \
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$(OUT_DIR)/release.env
cp $(OUT_DIR)/release.env $(DIST_DIR)/release.env
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$(DIST_DIR)/manifest.txt: \
$(DIST_DIR) \
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$(OUT_DIR)/manifest.txt
cp $(OUT_DIR)/manifest.txt $(DIST_DIR)/manifest.txt
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$(OUT_DIR)/release.env: | $(OUT_DIR)
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echo 'VERSION=$(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)' >> $(OUT_DIR)/release.env
echo 'GIT_TIMESTAMP=$(GIT_TIMESTAMP)' >> $(OUT_DIR)/release.env
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$(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
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[ -d $(1) ] || \
mkdir -p $(FETCH_DIR) && \
mkdir $(1).tmp && \
git -C $(1).tmp init && \
git -C $(1).tmp remote add origin $(2) && \
git -C $(1).tmp fetch origin $(3) && \
git -C $(1).tmp -c advice.detachedHead=false checkout $(3) && \
git -C $(1).tmp rev-parse --verify HEAD | grep -q $(3) || { \
echo 'Error: Git ref/branch collision.'; exit 1; \
} && \
mv $(1).tmp $(1);
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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
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define fetch_pgp_key
mkdir -p $(KEY_DIR) && \
$(call toolchain,$(USER), " \
for server in \
ha.pool.sks-keyservers.net \
hkp://keyserver.ubuntu.com:80 \
hkp://p80.pool.sks-keyservers.net:80 \
pgp.mit.edu \
; do \
echo "Trying: $${server}"; \
gpg \
--recv-key \
--keyserver "$${server}" \
--keyserver-options timeout=10 \
--recv-keys "$(1)" \
&& break; \
done; \
gpg --export -a $(1) > $(KEY_DIR)/$(1).asc; \
")
endef
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define toolchain
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 \
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--env-file=$(CACHE_DIR_ROOT)/toolchain.env \
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$(shell cat cache/toolchain.state) \
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bash -c $(2)
endef