DESTDIR ?=
PREFIX  ?= /usr/local
LIBDIR  ?= $(PREFIX)/lib
BINDIR  ?= $(PREFIX)/bin

HLS_VERSION := @@HLS_VERSION@@

FIND      := find
INSTALL   := install
INSTALL_D := $(INSTALL) -d
INSTALL_X := $(INSTALL) -vm 755
SED       := sed
CHMOD     := chmod
CHMOD_X   := $(CHMOD) 755
LN        := ln
LN_S      := $(LN) -sf

install:
	$(INSTALL_D) "$(DESTDIR)$(BINDIR)"
	$(INSTALL_D) "$(DESTDIR)$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/lib"
	$(INSTALL_D) "$(DESTDIR)$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/bin"
	$(FIND) lib -mindepth 2 -type f -exec sh -c '$(INSTALL_D) "$(DESTDIR)$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/`dirname $$1`" && $(INSTALL_X) "$$1" "$(DESTDIR)$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/$$1"' sh '{}' \;
	for b in $(wildcard bin/*) ; do \
		$(INSTALL_D) "$(DESTDIR)$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/" && \
		$(INSTALL_X) "$$b" "$(DESTDIR)$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/$$b" ; \
	done
	for h in $(wildcard haskell-language-server-*.in) ; do \
		$(SED) -e "s#@@EXE_DIR@@#$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/bin/#" \
			"$$h" > "$(DESTDIR)$(BINDIR)/$${h%.in}" && \
		$(CHMOD_X) "$(DESTDIR)$(BINDIR)/$${h%.in}" ; \
	done
	$(LN_S) "`scripts/relpath.sh "$(DESTDIR)$(BINDIR)" "$(DESTDIR)$(LIBDIR)/haskell-language-server-$(HLS_VERSION)/bin/haskell-language-server-wrapper"`" \
		"$(DESTDIR)$(BINDIR)/haskell-language-server-wrapper"

version:
	@echo "$(HLS_VERSION)"

.PHONY: install