#!/usr/bin/make -f

include /usr/share/dpkg/pkg-info.mk

# detect if build targets experimental suite (or is a draft)
DEB_SUITE_EXP = $(filter experimental% UNRELEASED,$(DEB_DISTRIBUTION))

# GNU LibreJS 5.0 compatible license string
# * See <https://www.gnu.org/software/librejs/free-your-javascript.html>
LICENSE = // @license magnet:?xt=urn:btih:87f119ba0b429ba17a44b4bffcab33165ebdacc0&dn=freebsd.txt BSD-2-Clause

# generate documentation unless nodoc requested
ifeq (,$(filter nodoc,$(DEB_BUILD_OPTIONS)))
DOCS = README.html README.txt
MANPAGES = debian-man/uglifyjs.terser.1
endif

# generate manpage with help2man from --help option of Node.js script
_mkman = NODE_PATH=lib \
 help2man $(patsubst %,--name %,$3) --no-info --output $2 $1 \
 || { NODE_PATH=lib $1 --help; false; }

override_dh_auto_build: \
 debian/js/bundle.js.gz $(DOCS) $(MANPAGES)

# rename executable to avoid namespace clash
debian-man/uglifyjs.terser:
	mkdir --parents $(dir $@)
	cp --force bin/uglifyjs $@

# build manpage
debian-man/uglifyjs.terser.1: %.1: %
	$(call _mkman, $<, $@, \
		JavaScript parser and mangler/compressor and beautifier toolkit)

# * don't fail on experimental builds
# * trick testsuite into not using mochallel
override_dh_auto_test:
	NODE_PATH=lib TRAVIS=1 node test/run-tests.js \
		$(if $(DEB_SUITE_EXP),|| true)

# install core documentation with all binary packages
override_dh_installdocs:
	dh_installdocs -- $(DOCS)

# build browser and test libraries
debian/js/%.js:
	mkdir --parents dist
	rollup --no-esModule -c
	cd dist && TERSER_NO_BUNDLE=1 ../bin/uglifyjsnobundle \
		--mangle --compress \
		--source-map 'content=bundle.js.map,includeSources=true' \
		--output bundle.min.js \
		-- bundle.js
	mkdir --parents debian/js
	install --mode a=r,u+w -D --target-directory debian/js \
		-- dist/*
	rm -rf dist
	mkdir --parents dist
	rollup --no-esModule -c --input=main.tests.js
	cd dist && TERSER_NO_BUNDLE=1 ../bin/uglifyjsnobundle \
		--mangle --compress \
		--source-map 'content=bundle.js.map,includeSources=true' \
		--output bundle.min.js \
		-- bundle.js

# pre-compress for browser use
%.gz: %
	pigz --force --keep -11 -- $<
	brotli --force --keep --best -- $<

%.html: %.md
	pandoc --from gfm-raw_html --to html --standalone --output $@ $<

%.txt: %.md
	pandoc --from gfm-raw_html --to plain --output $@ $<

%:
	dh $@

.SECONDARY: