#!/usr/bin/make -f

# resolve DEB_VERSION_UPSTREAM
include /usr/share/dpkg/pkg-info.mk

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)))
MANPAGES = debian/build/hypothesis-client.1
endif

# generate manual pages from output of clap-based Rust binary
#  arguments: 1:MANFILEPATH 2:COMMANDPATH 3:SUBCOMMAND(S)
_help2man = \
 $(eval suffix = $(lastword $(subst ., ,$(1))))\
 $(eval stem = $(patsubst %.$(suffix),%,$(1)))\
 help2man --section $(suffix) --no-info \
 --version-string='$(DEB_VERSION_UPSTREAM)' \
 --name $(shell $(2) $(3) --help | head --lines=1 | xargs -0 shell-quote --) \
 --output '$(stem)$(if $(3),-$(subst $() ,-,$(strip $(3)))).$(suffix)' \
 '$(2)$(if $(3), $(3))' \
 || { $(2) $(3) --help; false; }

# set dummy API values to cheat too invasive validation
export HYPOTHESIS_NAME = foo
export HYPOTHESIS_KEY  = bar
export TEST_GROUP_ID  = baz

%:
	dh $@

# generate shell completion scripts and manual pages
execute_after_dh_auto_install-arch: $(MANPAGES)

debian/build/hypothesis-client.1: debian/build/%.1: debian/hypothesis-client/usr/bin/%
	mkdir --parents debian/build
	$< complete bash > debian/build/bash-completion
	$< complete zsh > debian/build/_hypothesis-client
	$(call _help2man,$@,$<)
	$(call _help2man,$@,$<,annotations)
	set -e; $(foreach x,create update search fetch delete flag hide show,\
	 $(call _help2man,$@,$<,annotations $x);)
	$(call _help2man,$@,$<,groups)
	set -e; $(foreach x,list create fetch update members leave,\
	 $(call _help2man,$@,$<,groups $x);)
	$(call _help2man,$@,$<,profile)