#!/usr/bin/make -f

export DEB_BUILD_MAINT_OPTIONS = hardening=+all
export DEB_CFLAGS_MAINT_APPEND  = -Wall -pedantic
export DEB_CXXFLAGS_MAINT_APPEND  = -Wall -pedantic

# trust upstream optimization level unless explicitly disabled
ifeq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
export DEB_CFLAGS_MAINT_STRIP=-O2
export DEB_CXXFLAGS_MAINT_STRIP=-O2
endif

# generate documentation unless nodoc requested
ifeq (,$(filter nodoc,$(DEB_BUILD_OPTIONS)))
DOCS = README.html README.txt
CHANGELOGS = CHANGELOG.html CHANGELOG.txt
MANPAGES = tspin.1
endif

%:
	dh $@

%.html: %.md
	cmark-gfm $< > $@

%.txt: %.md
	cmark-gfm --to plaintext $< > $@

execute_after_dh_auto_build: $(DOCS) $(CHANGELOGS)

execute_after_dh_auto_install: $(MANPAGES)
	debian/tailspin/usr/bin/tspin --generate-bash-completions > completion.bash
	debian/tailspin/usr/bin/tspin --generate-zsh-completions > _tspin

override_dh_installdocs:
	dh_installdocs --all -- $(DOCS)

override_dh_installchangelogs:
	dh_installchangelogs -- $(CHANGELOGS)

# generate manpage
tspin.1: %.1: debian/tailspin/usr/bin/%
	help2man --section 1 --no-info \
		--name "log file highlighter and a drop-in replacement for tail -f" \
		--output $@ $< \
		|| { $< --help; false; }