# Copyright (C) 2011 Sebastian Pipping <sebastian@pipping.org>
# Licensed under GPL v2 or later

PACKAGE_VERSION = $(shell PYTHONPATH=. python -c 'import catalyst; print(catalyst.__version__)')
MAN_PAGE_SOURCES = $(wildcard doc/*.?.txt)
MAN_PAGES = $(patsubst doc/%.txt,files/%,$(MAN_PAGE_SOURCES))
MAN_PAGE_INCLUDES = doc/subarches.generated.txt doc/targets.generated.txt
DOC_SOURCES = $(filter-out $(MAN_PAGE_SOURCES) $(MAN_PAGE_INCLUDES),$(wildcard doc/*.txt))
DOCS = $(patsubst doc/%.txt,files/%.html,$(DOC_SOURCES))
DOC_SIDE_EFFECTS  = files/docbook-xsl.css
EXTRA_DIST = $(MAN_PAGES) $(DOCS) $(DOC_SIDE_EFFECTS)
GENERATED_FILES = $(MAN_PAGES) $(MAN_PAGE_INCLUDES) $(DOCS) $(DOC_SIDE_EFFECTS)

distdir = catalyst-$(PACKAGE_VERSION)


all: $(EXTRA_DIST)

files:
	mkdir files

$(MAN_PAGES): files/%: doc/%.txt doc/asciidoc.conf Makefile catalyst | files
	a2x --conf-file=doc/asciidoc.conf --attribute="catalystversion=$(PACKAGE_VERSION)" \
		 --format=manpage -D files "$<"

# Additional dependencies due to inclusion
files/catalyst.1: doc/subarches.generated.txt | files
files/catalyst-spec.5: doc/subarches.generated.txt doc/targets.generated.txt | files

doc/subarches.generated.txt: $(wildcard catalyst/arch/*.py) doc/make_subarch_table_guidexml.py
	./doc/make_subarch_table_guidexml.py

doc/targets.generated.txt: doc/make_target_table.py $(wildcard catalyst/targets/*.py)
	PYTHONPATH=. "./$<" > "$@"

$(DOCS): files/%.html: doc/%.txt doc/asciidoc.conf Makefile | files
	a2x --conf-file=doc/asciidoc.conf --attribute="catalystversion=$(PACKAGE_VERSION)" \
		 --format=xhtml -D files "$<"

$(DOC_SIDE_EFFECTS): $(firstword $(DOCS))

clean:
	rm -f $(GENERATED_FILES)
	find -name '*.pyo' -delete

check-git-repository:
	git diff --quiet || { echo 'STOP, you have uncommitted changes in the working directory' ; false ; }
	git diff --cached --quiet || { echo 'STOP, you have uncommitted changes in the index' ; false ; }

dist: check-git-repository $(EXTRA_DIST)
	rm -Rf "$(distdir)" "$(distdir)".tar "$(distdir)".tar.bz2
	mkdir "$(distdir)"
	git ls-files -z | xargs -0 cp --no-dereference --parents --target-directory="$(distdir)" \
		$(EXTRA_DIST)
	tar cf "$(distdir)".tar "$(distdir)"
	bzip2 -9v "$(distdir)".tar
	rm -Rf "$(distdir)"