#!/usr/bin/make -f

PERL ?= /usr/bin/perl

VER := $(shell head -1 debian/changelog | sed -e 's/^.*(//' -e 's/).*$$//')
tmp := $(CURDIR)/debian/lintian
profiles := profiles/debian/main.profile \
	    profiles/debian/ftp-master-auto-reject.profile
neededfiles := debian/rules frontend/lintian $(profiles) \
	     $(wildcard commands/*)
pod2man := pod2man --center "Debian Package Checker" --release "Lintian v$(VER)"
pod2mansources := $(wildcard man/*.pod)
docsource := doc/lintian.xml README.md man/lintian.pod.in \
	     $(pod2mansources)
allchecks := $(wildcard checks/*)
allcollect := $(wildcard collection/*)
tagfiles := $(wildcard t/changes/*.changes t/*/*/tags)
testfiles := $(wildcard t/tests/*/desc)
perlprovides := data/fields/perl-provides
autoreject_data := $(wildcard private/build-time-data/*)

# Work/output dir for tests
# private/runtests gets TEST_WORK_DIR from environment
export TEST_WORK_DIR ?= $(CURDIR)/debian/test-out
CLEAN_TEST_WORK_DIR ?= 1

ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
	testtarget = runtests
else
	testtarget =
endif

ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
	jobs = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
	PAR_ARGS=-j $(jobs)
endif

profiles: $(profiles);
$(profiles): $(allchecks) $(autoreject_data) private/generate-profiles.pl
	private/generate-profiles.pl

api-doc:
	private/generate-html-docs doc/api.html

.PHONY: runtests
runtests: $(neededfiles) $(allchecks) $(allcollect) $(tagfiles) $(testfiles)
	@echo .... building test packages ....
	t/bin/build-test-packages \
		$(PAR_ARGS) \
		--work-dir="$(TEST_WORK_DIR)"
	@echo .... running tests ....
	t/bin/runtests \
		$(PAR_ARGS) \
		--unattended \
		--keep-going \
		--work-dir="$(TEST_WORK_DIR)"

runtests-translation: $(neededfiles) $(allchecks)
	@echo .... running translation tests ....
	t/bin/runtests \
		$(PAR_ARGS) \
		--unattended \
		--keep-going \
		--work-dir="$(TEST_WORK_DIR)" \
		t \
		translation-check-descs

# this target is only run manually
refresh-perl-provides:
	perl private/refresh-perl-provides > $(perlprovides)

generate-docs: generate-docs-stamp
generate-docs-stamp: $(docsource)
	dh_testdir
	cd doc && LC_ALL=C docbook2html  -V "%use-id-as-filename%" -o lintian.html lintian.xml
	cd doc && LC_ALL=C jw -b txt lintian.xml
	# docbook does not set a charset and we rely on UTF-8.  Make this explicit to avoid #802721
	find doc/lintian.html/ -type f -name '*.html' -exec perl -pe 's/(<TITLE[\s\r\n])/<meta charset="UTF-8">$$1/' -i {} +
	mkdir -p man/man1/ man/man3/
	private/generate-lintian-pod | \
		$(pod2man) --name lintian --section=1 > man/man1/lintian.1
	set -e ; for POD in $(pod2mansources) ; do \
		BASENAME=$$(basename "$$POD" .pod) ; \
		$(pod2man) --section=1 "$$POD" > "man/man1/$$BASENAME".1 ; \
	done
	set -e ; for POD in $$(find doc/tutorial lib/Lintian lib/Test -type f '!' -path '*/Internal/*' '!' -path '*/Output/*' '!' -path '*/Tag/TextUtil.pm'  ) ; do \
		BASENAME=$$(echo "$$POD" | perl -pe 's@^(doc/tutorial|lib)/@@; s@/@::@g; s/\.(pod|pm)$$//') ; \
		$(pod2man) --name="$$BASENAME" --section=3 "$$POD" > "man/man3/$$BASENAME".3 ; \
	done
	private/generate-html-docs doc/api.html > /dev/null
	touch $@

# Target for updating things on lintian.d.o
rebuild-lintian.debian.org: generate-docs-stamp
	# done

override_dh_auto_build: $(neededfiles) generate-docs-stamp
	# check that the static data about perl core modules is up to date
	$(PERL) -ne '/PERL_VERSION=(.+)/ and $$] > $$1 and warn q{*}x60 . qq{\n$(perlprovides) needs an update, please run\n  debian/rules refresh-perl-provides\n} . q{*}x60 . qq{\n}' $(perlprovides)


override_dh_clean: $(neededfiles)
	rm -rf  doc/api.html doc/lintian.html/ doc/lintian.txt
ifneq ($(CLEAN_TEST_WORK_DIR),0)
	rm -rf "$(TEST_WORK_DIR)"
endif
	rm -rf man/man1/ man/man3/ l10n/
	dh_clean -X "$(TEST_WORK_DIR)"

override_dh_install:
	dh_install -Xdata/README
# some manual work
	perl -p -i -e 's/my \$$LINTIAN_VERSION;/my \$$LINTIAN_VERSION = q{$(VER)};/;' \
	     -e 's@my \$$INIT_ROOT(\s*=.*)?;@my \$$INIT_ROOT = q{/usr/share/lintian};@;' \
	    $(tmp)/usr/share/lintian/frontend/dplint
	$(tmp)/usr/share/lintian/frontend/dplint --print-version
	install -m 644 doc/lintianrc.example $(tmp)/etc/lintianrc

override_dh_auto_test: $(testtarget)

%:
	dh $@

# Unneeded helpers or helpers that messes up our test.
override_dh_update_autotools_config override_dh_autoreconf override_dh_autoreconf_clean:

.PHONY: refresh-perl-provides update-lintian.debian.org generate-docs