# Copyright 2019 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License.  You may obtain a copy
# of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.

.PHONY: all
all: Makefile debug

CARGO_FLAGS = --features "$(FEATURES)"

# TODO(jmmv): Should automatically reinvoke configure... but this is difficult
# because we need to remember the flags originally passed by the user, and
# we need to tell make to reload the Makefile somehow.
Makefile: configure Makefile.in
	@echo "Makefile out of date; rerun ./configure with desired args"
	@false

@IS_BMAKE@RUST_SRCS != find src -name "*.rs"
@IS_GNUMAKE@RUST_SRCS = $(shell find src -name "*.rs")
target/debug/sandboxfs: Cargo.toml $(RUST_SRCS)
	$(CARGO) build $(CARGO_FLAGS)

.PHONY: debug
debug: target/debug/sandboxfs

.PHONY: release
release: target/release/sandboxfs

target/release/sandboxfs: Cargo.toml $(RUST_SRCS)
	$(CARGO) build $(CARGO_FLAGS) --release

.PHONY: check
check: check-unit check-integration

check-unit: Cargo.toml $(RUST_SRCS)
	RUST_BACKTRACE=full $(CARGO) test $(CARGO_FLAGS) --verbose

SANDBOXFS_BINARY = $$(pwd)/target/debug/sandboxfs

@IS_BMAKE@GO_SRCS != find integration -name "*.go"
@IS_GNUMAKE@GO_SRCS = $(shell find integration -name "*.go")
check-integration: target/debug/sandboxfs $(GO_SRCS)
	@if [ -n "$(GOROOT)" ]; then \
	    set -x; \
	    GOPATH=$(GOPATH) GOROOT=$(GOROOT) $(GOROOT)/bin/go test \
	        -v -timeout=600s \
	        github.com/bazelbuild/sandboxfs/integration \
	        -features="$(FEATURES)" \
	        -sandboxfs_binary="$(SANDBOXFS_BINARY)" \
	        $(CHECK_INTEGRATION_FLAGS); \
	else \
	    echo "WARNING: Go not enabled; integration tests not run"; \
	fi

.PHONY: lint
lint:
	$(CARGO) clippy $(CARGO_FLAGS) --all-features --all-targets \
	    -- -D warnings
	@if [ -n "$(GOROOT)" ]; then \
	    set -x; \
	    PATH=$(GOPATH)/bin:$${PATH} GOPATH=$(GOPATH) GOROOT=$(GOROOT) \
	        $(GOROOT)/bin/go run \
	        github.com/bazelbuild/sandboxfs/admin/lint $(LINT_FILES); \
	else \
	    echo "WARNING: Go not enabled; linter not run"; \
	fi

.PHONY: install
install: target/release/sandboxfs
	install -m 0755 -d $(DESTDIR)$(PREFIX)/bin
	install -m 0755 -c target/release/sandboxfs \
	    $(DESTDIR)$(PREFIX)/bin/sandboxfs
	install -m 0755 -d $(DESTDIR)$(PREFIX)/share/man/man1
	install -m 0644 -c man/sandboxfs.1 $(DESTDIR)$(PREFIX)/share/man/man1
	install -m 0755 -d $(DESTDIR)$(PREFIX)/share/doc/sandboxfs
	install -m 0644 -c AUTHORS CONTRIBUTING.md CONTRIBUTORS LICENSE \
	    NEWS.md README.md $(DESTDIR)$(PREFIX)/share/doc/sandboxfs

.PHONY: clean
clean:
	rm -rf $(CLEANFILES)

.PHONY: distclean
distclean: clean
	rm -rf $(DISTCLEANFILES)