Makefile

# ChaOS Build System — Makefile
# Custom GrapheneOS builds for Pixel 9 Pro XL (komodo)
#
# Prerequisites:
#   sudo apt install qemu-user-static binfmt-support docker.io docker-compose-v2
#   sudo systemctl restart binfmt-support

SHELL := /bin/bash
.DEFAULT_GOAL := help

DEVICE        := komodo
INCLUDE_FLOCKYOU      ?= true
INCLUDE_WIRETAP       ?= true
INCLUDE_LIVEWALLPAPER ?= true
NPROC         := $(shell nproc)
JOBS          := $(shell echo $$(( $(NPROC) + 2 )))
BUILDER_UID   := $(shell id -u)
BUILDER_GID   := $(shell id -g)
COMPOSE       := BUILDER_UID=$(BUILDER_UID) BUILDER_GID=$(BUILDER_GID) docker compose
EXEC          := $(COMPOSE) exec -T chaos-builder bash -c
EXEC_IT       := $(COMPOSE) exec chaos-builder bash

# GrapheneOS tag to sync — override with: make sync TAG=2025021900
TAG           ?= 2026021200
GRAPHENEOS_REPO := https://github.com/GrapheneOS/platform_manifest.git

export BUILDER_UID BUILDER_GID

# ==============================================================================
# Primary targets
# ==============================================================================

ALL_TARGETS := init sync keys bootanimation wallpaper sounds build sign
ifeq ($(INCLUDE_FLOCKYOU),true)
ALL_TARGETS := init sync keys bootanimation wallpaper sounds flockyou build sign
endif
ifeq ($(INCLUDE_WIRETAP),true)
ALL_TARGETS := $(filter-out build sign,$(ALL_TARGETS)) wiretap kernel-wiretap build sign
endif
ifeq ($(INCLUDE_LIVEWALLPAPER),true)
ALL_TARGETS := $(filter-out build sign,$(ALL_TARGETS)) livewallpaper build sign
endif

.PHONY: all
all: $(ALL_TARGETS) ## Full pipeline: init → sync → keys → bootanimation → wallpaper → sounds → [flockyou] → [livewallpaper] → build → sign

.PHONY: setup
setup: ## Build Docker image and create directory structure
	@echo "==> Building ChaOS build environment..."
	mkdir -p src keys out assets/bootanimation/parts/{part0,part1} config
	$(COMPOSE) build
	@echo "==> Starting container..."
	$(COMPOSE) up -d
	@echo "==> Setup complete."

.PHONY: init
init: _ensure-container ## Initialize repo with GrapheneOS manifest
	@echo "==> Initializing GrapheneOS source tree..."
	$(EXEC) ' \
		cd /src && \
		if [ ! -d .repo ]; then \
			repo init -u $(GRAPHENEOS_REPO) -b refs/tags/$(TAG) --depth=1; \
		else \
			echo "Repo already initialized. Use make sync to update."; \
		fi \
	'

.PHONY: sync
sync: _ensure-container ## Sync all source repositories
	@echo "==> Syncing source tree ($(JOBS) jobs)..."
	$(EXEC) ' \
		cd /src && \
		repo sync -j8 --current-branch --no-tags --optimized-fetch --force-sync \
	'
	@echo "==> Sync complete."

.PHONY: keys
keys: _ensure-container ## Generate signing keys (one-time)
	@echo "==> Generating signing keys..."
	$(COMPOSE) exec chaos-builder bash /scripts/generate-keys.sh
	@echo "==> Keys generated in keys/$(DEVICE)/"

.PHONY: bootanimation
bootanimation: _ensure-container ## Generate boot animation zip from frames
	@echo "==> Generating ChaOS boot animation..."
	$(EXEC) 'bash /scripts/generate-bootanimation.sh'
	@echo "==> Boot animation ready: assets/bootanimation/bootanimation.zip"

.PHONY: flockyou
flockyou: ## Build Flock-You OEM APK in Docker
ifeq ($(INCLUDE_FLOCKYOU),true)
	bash scripts/build-flockyou.sh
else
	@echo "==> Flock-You excluded (INCLUDE_FLOCKYOU=false)"
endif

.PHONY: wiretap
wiretap: ## Build Wiretap daemon + eBPF objects in Docker
ifeq ($(INCLUDE_WIRETAP),true)
	bash scripts/build-wiretap.sh
else
	@echo "==> Wiretap excluded (INCLUDE_WIRETAP=false)"
endif

.PHONY: kernel-wiretap
kernel-wiretap: _ensure-container ## Patch kernel defconfig for eBPF support
ifeq ($(INCLUDE_WIRETAP),true)
	@echo "==> Patching kernel for eBPF support..."
	$(EXEC) 'bash /scripts/patch-kernel-ebpf.sh'
else
	@echo "==> Wiretap excluded (INCLUDE_WIRETAP=false)"
endif

.PHONY: wallpaper
wallpaper: _ensure-container ## Generate dark navy static wallpaper
	@echo "==> Generating ChaOS wallpaper..."
	$(EXEC) 'bash /scripts/generate-wallpaper.sh'
	@echo "==> Wallpaper ready: assets/wallpaper/default_wallpaper.png"

.PHONY: sounds
sounds: _ensure-container ## Generate system sounds (ringtone, notification, alarm)
	@echo "==> Generating ChaOS system sounds..."
	$(EXEC) 'bash /scripts/generate-sounds.sh'
	@echo "==> Sounds ready: assets/sounds/"

.PHONY: livewallpaper
livewallpaper: _ensure-container ## Generate live wallpaper video
ifeq ($(INCLUDE_LIVEWALLPAPER),true)
	@echo "==> Generating ChaOS live wallpaper video..."
	$(EXEC) 'bash /scripts/generate-live-wallpaper-video.sh'
	@echo "==> Live wallpaper video ready: assets/livewallpaper/chaos_live_bg.mp4"
else
	@echo "==> Live wallpaper excluded (INCLUDE_LIVEWALLPAPER=false)"
endif

.PHONY: dev-build
dev-build: _ensure-container ## Development build with ADB enabled and userdebug variant
	@echo "==> Starting ChaOS DEV build for $(DEVICE) with -j$(JOBS)..."
	$(EXEC) 'JOBS=$(JOBS) CHAOS_DEV_BUILD=1 BUILD_VARIANT=userdebug bash /scripts/build.sh'
	@echo "==> Dev build complete. Output in out/"

.PHONY: build
build: _ensure-container ## Full build inside Docker container
	@echo "==> Starting ChaOS build for $(DEVICE) with -j$(JOBS)..."
	$(EXEC) 'JOBS=$(JOBS) bash /scripts/build.sh'
	@echo "==> Build complete. Output in out/"

.PHONY: sign
sign: _ensure-container ## Sign build artifacts with custom keys
	@echo "==> Signing build artifacts..."
	$(EXEC) ' \
		cd /src && \
		source build/envsetup.sh && \
		lunch $(DEVICE)-cur-user && \
		mkdir -p out/release-$(DEVICE) && \
		sign_target_files_apks -o -d /keys/$(DEVICE) \
			out/target/product/$(DEVICE)/obj/PACKAGING/target_files_intermediates/*-target_files*.zip \
			out/release-$(DEVICE)/signed-target_files.zip && \
		ota_from_target_files -k /keys/$(DEVICE)/releasekey \
			out/release-$(DEVICE)/signed-target_files.zip \
			out/release-$(DEVICE)/ChaOS-$(DEVICE)-ota_update.zip && \
		img_from_target_files \
			out/release-$(DEVICE)/signed-target_files.zip \
			out/release-$(DEVICE)/ChaOS-$(DEVICE)-factory.zip \
	'
	@echo "==> Signed artifacts in out/release-$(DEVICE)/"

.PHONY: flash
flash: ## Flash to connected Pixel 9 Pro XL
	@echo "==> Flashing ChaOS to $(DEVICE)..."
	bash scripts/flash.sh
	@echo "==> Flash complete."

# ==============================================================================
# Utility targets
# ==============================================================================

.PHONY: shell
shell: _ensure-container ## Drop into an interactive shell in the build container
	$(EXEC_IT)

.PHONY: clean
clean: ## Remove out/ directory
	@echo "==> Cleaning build output..."
	rm -rf out/*
	@echo "==> Clean complete."

.PHONY: mrproper
mrproper: ## Remove out/, ccache, and source tree
	@echo "==> Deep clean: removing out/, ccache, source tree..."
	$(COMPOSE) down -v 2>/dev/null || true
	rm -rf out/* src/*
	docker volume rm chaos-ccache 2>/dev/null || true
	@echo "==> Deep clean complete."

.PHONY: status
status: _ensure-container ## Show build environment status
	@echo "==> Container status:"
	@$(COMPOSE) ps
	@echo ""
	@echo "==> ccache stats:"
	@$(EXEC) 'ccache -s' 2>/dev/null || echo "  (container not running)"
	@echo ""
	@echo "==> Disk usage:"
	@du -sh src/ out/ keys/ 2>/dev/null || true

.PHONY: stop
stop: ## Stop the build container
	$(COMPOSE) down

.PHONY: help
help: ## Show this help
	@echo "ChaOS Build System — Custom GrapheneOS for Pixel 9 Pro XL ($(DEVICE))"
	@echo ""
	@echo "Prerequisites:"
	@echo "  sudo apt install qemu-user-static binfmt-support docker.io docker-compose-v2"
	@echo "  sudo systemctl restart binfmt-support"
	@echo ""
	@echo "Targets:"
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | \
		awk 'BEGIN {FS = ":.*?## "}; {printf "  \033[36m%-16s\033[0m %s\n", $$1, $$2}'
	@echo ""
	@echo "Usage:"
	@echo "  make setup          # First time: build Docker image"
	@echo "  make all            # Full build pipeline"
	@echo "  make build          # Incremental rebuild"
	@echo "  make flash          # Flash to device"
	@echo "  make TAG=2025030100 init sync  # Use specific GrapheneOS tag"

# ==============================================================================
# Internal targets
# ==============================================================================

.PHONY: _ensure-container
_ensure-container:
	@if ! $(COMPOSE) ps --status running 2>/dev/null | grep -q chaos-builder; then \
		echo "==> Starting build container..."; \
		$(COMPOSE) up -d; \
	fi