# Ruby Installer
#
# Douglas Thrift
#
# $Id$

ifeq ($(OS),Windows_NT)
BASE := $(CURDIR)
CP := C:\cygwin\bin\cp.exe
GEMS_INSTALL := gems-install.cmd
RM_F := del /F /A
RM_RF := rmdir /Q /S
TOUCH := touch.cmd
else
BASE := Z:$(CURDIR)
CP := cp
GEMS_INSTALL := ./gems-install.sh
RM_F := rm -f
RM_RF := rm -rf
TOUCH := touch
endif

RUBY_ZIP := $(lastword $(wildcard ruby-*-i386-mswin32.zip))
RUBY_VERSION := $(patsubst ruby-%-i386-mswin32.zip,%,$(RUBY_ZIP))
GEMS_ZIP := $(lastword $(wildcard rubygems-*.zip))
GEMS_VERSION := $(patsubst rubygems-%.zip,%,$(GEMS_ZIP))
GEMS_DIR := rubygems-$(GEMS_VERSION)
INSTALLER := ruby-$(RUBY_VERSION)-rubygems-$(GEMS_VERSION).exe

.PHONY: all clean

all: $(INSTALLER)

.gems: $(GEMS_ZIP) .ruby-install
	-$(RM_RF) $(GEMS_DIR)
	unzip $(GEMS_ZIP)
	$(TOUCH) $@

.gems-install: .gems
	$(GEMS_INSTALL) $(GEMS_DIR)
	$(TOUCH) $@

.ruby: $(RUBY_ZIP)
	-$(RM_RF) ruby
	unzip $(RUBY_ZIP) -d ruby
	$(TOUCH) $@

.ruby-install: ruby/bin/libeay32.dll ruby/bin/ssleay32.dll ruby/bin/zlib.dll
	$(TOUCH) $@

$(INSTALLER): .gems-install
	echo $(BASE)

ruby/bin/%.dll: %.dll .ruby
	$(CP) $< $@

ruby/bin/zlib.dll: zlib1.dll .ruby
	$(CP) $< $@

clean:
	-$(RM_F) .gems* .ruby* $(INSTALLER)
	-$(RM_RF) ruby $(GEMS_DIR)