include prelude.mk

.PHONY: all
all: build

.PHONY: build
build:
	@echo '======================================================= Build ==='
	makepkg --clean --cleanbuild --force --noconfirm --noprogressbar --syncdeps
	makepkg --printsrcinfo > .SRCINFO
	@echo '================================================================='

.PHONY: commit
commit:
	@echo '====================================================== Commit ==='
	git add PKGBUILD .SRCINFO
	source PKGBUILD && git commit -m "aur: $$pkgver-$$pkgrel"
	@echo '================================================================='

.PHONY: push
push:
	@echo '================================================= Push to AUR ==='
	source PKGBUILD && git push "ssh://aur@aur.archlinux.org/$$pkgname.git" "$$( git symbolic-ref HEAD ):master"
	@echo '============================================ Push to upstream ==='
	git push
	@echo '================================================================='

.PHONY: pkgver
pkgver:
	@git fetch && \
	new_pkgver="$$( git describe --tags --abbrev=0 origin/master | sed 's/^v//' )" && \
	source PKGBUILD && \
	echo '================================================ Check pkgver ===' && \
	echo "Package pkgver: $$pkgver" && \
	echo "Upstream pkgver: $$new_pkgver" && \
	echo '=================================================================' && \
	if [ "$$pkgver" != "$$new_pkgver" ]; then \
		sed -i -e "s/^pkgver=.*/pkgver=$$new_pkgver/" PKGBUILD && \
		sed -i -e "s/^pkgrel=.*/pkgrel=1/" PKGBUILD ; \
	fi

.PHONY: maintenance
maintenance: pkgver
	$(MAKE) build

	@git_status="$$( git status --porcelain=v1 )" && \
	if [ -z "$$git_status" ]; then \
		true; \
	elif [ "$$git_status" = $$' M .SRCINFO\n M PKGBUILD' ]; then \
		$(MAKE) commit && \
		$(MAKE) push ; \
	else \
		echo; \
		echo '-----------------------------------------------------------------'; \
		echo 'Error: unrecognized modifications in the repository:'; \
		echo "$$git_status"; \
		echo '-----------------------------------------------------------------'; \
		exit 1; \
	fi

.PHONY: ci/deps
ci/deps:
	@echo '============================================ CI: dependencies ==='
	pacman -Syu --noconfirm git openssh

# makepkg for no reason hard-forbids running as root. Kill me now.
.PHONY: ci/user
ci/user:
	@echo '============================================ CI: builder user ==='
	useradd -m -s /bin/bash builder
	passwd -d builder
	echo 'builder ALL=(ALL) ALL' >> /etc/sudoers
	chown -R builder:builder -- "$$GITHUB_WORKSPACE"

# See https://github.com/actions/checkout#push-a-commit-using-the-built-in-token
.PHONY: ci/git
ci/git:
	@echo '=========================================== CI: configure git ==='
	runuser -u builder -- git -C "$$GITHUB_WORKSPACE" config user.name "github-actions[bot]"
	runuser -u builder -- git -C "$$GITHUB_WORKSPACE" config user.email "41898282+github-actions[bot]@users.noreply.github.com"

.PHONY: ci/setup
ci/setup: ci/deps
ci/setup: ci/user
ci/setup: ci/git

.PHONY: ci
ci: ci/setup
ci:
	runuser -u builder -- $(MAKE) -C "$$GITHUB_WORKSPACE" maintenance