# Copyright 2020-2021 Ian Jackson and contributors to Otter
# SPDX-License-Identifier: GPL-3.0-or-later
# There is NO WARRANTY.

SHELL=/bin/bash

default: all

CARGO		?= cargo
TARGET_DIR	?= target

SPHINXBUILD	?= sphinx-build

ifneq (,$(wildcard ../Cargo.nail))

NAILING_CARGO ?= nailing-cargo
CARGO = $(NAILING_CARGO)
BUILD_SUBDIR ?= ../Build
TARGET_DIR = $(BUILD_SUBDIR)/$(notdir $(PWD))/target
NAILING_CARGO_JUST_RUN ?= $(NAILING_CARGO) --just-run -q ---

else

endif # Cargo.nail

rsrcs = $(shell $(foreach x,$(MAKEFILE_FIND_X),set -$x;)\
    find -H $1 \( -name Cargo.toml -o -name Cargo.lock -o -name Cargo.lock.example -o -name \*.rs \) )
stamp=@mkdir -p stamp; touch $@

TESTS=$(notdir $(wildcard test/t-*[^~]))

all:	cargo-build doc

check:	cargo-test $(addprefix stamp/,$(TESTS))

cargo-build: stamp/cargo-build
cargo-test: # stamp/cargo-test xxx

stamp/cargo-%: $(call rsrcs,.)
	$(NAILING_CARGO) $* $(CARGO_BUILD_OPTIONS)
	$(stamp)

stamp/t-%: test/t-% stamp/cargo-build $(wildcard test/*[^~])
	$(NAILING_CARGO_JUST_RUN) \
	$(abspath test/capture-log) tmp/t-$*.log \
	$(abspath test/go-with-unshare test/t-$*)
	@echo OK t-$*; touch $@

doc:	docs/html/index.html
	@echo 'Documentation can now be found here:'
	@echo '  file://$(PWD)/$<'

docs/html/index.html: docs/conf.py $(wildcard docs/*.md docs/*.rst docs/*.png)
	$(SPHINXBUILD) -M html docs docs $(SPHINXOPTS)

clean:
	rm -rf stamp/* doc/html
	$(NAILING_CARGO) clean

.PHONY: cargo-build all doc clean