Makefile for R packages

## R parts based on https://github.com/yihui/knitr/blob/master/Makefile

PKGNAME := $(shell sed -n "s/^Package: *\([^ ]*\)/\1/p" DESCRIPTION)
PKGVERS := $(shell sed -n "s/^Version: *\([^ ]*\)/\1/p" DESCRIPTION)
PKGSRC  := $(shell basename `pwd`)


########### Package  ###########

####

docs: figs_vignette
	Rscript -e "devtools::document(roclets = c('rd', 'collate', 'namespace', 'vignette'))"


build: figs_vignette
	cd ..;\
	R CMD build $(PKGSRC)

####

build-cran: figs_vignette
	cd ..;\
	R CMD build $(PKGSRC)

####

install: build
	cd ..;\
	R CMD INSTALL $(PKGNAME)_$(PKGVERS).tar.gz

####

check: build-cran
	cd ..;\
	R CMD check $(PKGNAME)_$(PKGVERS).tar.gz --as-cran

clean_check:
	$(RM) -r ./../$(PKGNAME).Rcheck/

####

check-rhub: build-cran
	@Rscript -e "x <- rhub::check_for_cran(email = 'YOUR@EMAIL.WHEREVER', path = './../$(PKGNAME)_$(PKGVERS).tar.gz')"

check-rhub-live: build-cran
	@Rscript -e "x <- rhub::check_for_cran(email = 'YOUR@EMAIL.WHEREVER', path = './../$(PKGNAME)_$(PKGVERS).tar.gz', show_status = TRUE)"

####

test:
	@Rscript -e "devtools::test()"


####

############# Help targets #############

list_variables:
	@echo
	@echo "#############################################"
	@echo "## Variables ################################"
	make -pn | grep -A1 "^# makefile"| grep -v "^#\|^--" | sort | uniq
	@echo "#############################################"
	@echo ""

## from https://stackoverflow.com/a/26339924/632423
list_targets:
	@echo
	@echo "#############################################"
	@echo "## Targets    ###############################"
	@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$'
	@echo "#############################################"
	@echo

list: list_variables list_targets

#############

.PHONY: list list_variables list_targets clean_check build-cran build test check-rhub-live check-rhub docs