DESTDIR ?= /usr/local
BUILDDIR ?= ./build
MANUAL_FILES = $(addprefix $(BUILDDIR)/,$(patsubst ./%.md,%,$(wildcard ./*.[1-9].md)))

all: manual $(addprefix $(BUILDDIR)/,lacme lacme-accountd client webserver $(wildcard certs/* config/* snippets/*) certs/ca-certificates.crt)
doc: manual

manual: $(MANUAL_FILES)

# upper case the headers and remove the links
$(MANUAL_FILES): $(BUILDDIR)/%: $(BUILDDIR)/%.md
	pandoc -f markdown -t json -- "$<" | ./pandoc2man.jq | pandoc -s -f json -t man -o "$@"

# used for validation, see https://letsencrypt.org/certificates/
$(BUILDDIR)/certs/ca-certificates.crt: \
        certs/isrgrootx1.pem \
        certs/isrg-root-x2.pem \
        certs/lets-encrypt-r[34].pem \
        certs/lets-encrypt-e[12].pem
	mkdir -pv -- $(BUILDDIR)/certs
	cat -- $^ >$@

prefix ?= $(DESTDIR)
exec_prefix ?= $(prefix)
bindir ?= $(exec_prefix)/bin
sbindir ?= $(exec_prefix)/sbin
libexecdir ?= $(exec_prefix)/libexec
datarootdir ?= $(prefix)/share
datadir ?= $(datarootdir)
sysconfdir ?= $(prefix)/etc
localstatedir =? $(prefix)/var
runstatedir ?= $(localstatedir)/run
mandir ?= $(datarootdir)/man
man1dir ?= $(mandir)/man1
man8dir ?= $(mandir)/man8

lacme_www_user ?= www-data
lacme_www_group ?= www-data
lacme_client_user ?= nobody
lacme_client_group ?= nogroup

$(BUILDDIR)/%: %
	mkdir -pv -- $(dir $@)
	cp --no-dereference --preserve=mode,links,xattr -vfT -- "$<" "$@"
	sed -i "s#@@bindir@@#$(bindir)#g; \
	        s#@@sbindir@@#$(sbindir)#g; \
	        s#@@libexecdir@@#$(libexecdir)#g; \
	        s#@@datadir@@#$(datadir)#g; \
	        s#@@runstatedir@@#$(runstatedir)#g; \
	        s#@@sysconfdir@@#$(sysconfdir)#g; \
	        s#@@lacme_www_user@@#$(lacme_www_user)#g; \
	        s#@@lacme_www_group@@#$(lacme_www_group)#g; \
	        s#@@lacme_client_user@@#$(lacme_client_user)#g; \
	        s#@@lacme_client_group@@#$(lacme_client_group)#g;" \
	        -- "$@"

install: all
	install -m0644 -vDt $(sysconfdir)/lacme $(BUILDDIR)/config/*.conf $(BUILDDIR)/snippets/*.conf
	install -vd $(sysconfdir)/lacme/lacme-certs.conf.d
	install -m0644 -vDt $(datadir)/lacme $(BUILDDIR)/certs/*
	install -m0755 -vDt $(libexecdir)/lacme $(BUILDDIR)/client $(BUILDDIR)/webserver
	install -m0644 -vDt $(man1dir) $(BUILDDIR)/lacme-accountd.1
	install -m0644 -vDt $(man8dir) $(BUILDDIR)/lacme.8
	install -m0644 -vDt $(bindir) $(BUILDDIR)/lacme-accountd
	install -m0644 -vDt $(sbindir) $(BUILDDIR)/lacme

uninstall:
	rm -vf -- $(bindir)/lacme-accountd $(sbindir)/lacme
	rm -vf -- $(man1dir)/lacme-accountd.1 $(man8dir)/lacme.8
	rm -rvf -- $(sysconfdir)/lacme $(datadir)/lacme $(libexecdir)/lacme

clean:
	rm -rvf -- $(BUILDDIR)

.PHONY: all doc manual install uninstall clean