# Installation of GIMP Paint Studio (GPS)
# Currently implemented for Linux/Unix users only.
# Written by Michael J. Hammel
# License: Same as GPS
# ------------------------------------------------------

ifdef GIMP2_DIRECTORY
INSTALLDIR 	= $(GIMP2_DIRECTORY)
else
INSTALLDIR 	= $(HOME)/.gimp-2.6
endif
BRUSHDIR	= $(INSTALLDIR)/brushes
PALETTEDIR	= $(INSTALLDIR)/palettes
TOOLOPTDIR	= $(INSTALLDIR)/tool-options
TOOLRC		= $(INSTALLDIR)/toolrc
SESSIONRC	= $(INSTALLDIR)/sessionrc

all: help

help:
	@echo To install using using make, run:
	@echo "   make install"
	@echo To restore previous installation:
	@echo "   make restore"
	@echo To install manually:
	@echo "   See the GPS.pdf file for installation instructions."
	@echo Environment variables and their defaults:
	@echo "GIMP2_DIRECTORY    $(INSTALLDIR)"

install:
	@if [ -d "$(INSTALLDIR)" ]; then \
		INSTALLDIR=$(INSTALLDIR) make -s gps; \
	else \
		echo "$(INSTALLDIR) does not exist.  Installation failed."; \
	fi

gps:
	@echo "Installing to $(INSTALLDIR)"
	@if [ -d "$(BRUSHDIR)" ]; then mv $(BRUSHDIR) $(BRUSHDIR).orig; fi
	@if [ -d "$(PALETTEDIR)" ]; then mv $(PALETTEDIR) $(PALETTEDIR).orig; fi
	@if [ -d "$(TOOLOPTDIR)" ]; then mv $(TOOLOPTDIR) $(TOOLOPTDIR).orig; fi
	@if [ -f "$(SESSIONRC)" ]; then mv $(SESSIONRC) $(SESSIONRC).orig; fi
	@if [ -f "$(TOOLRC)" ]; then mv $(TOOLRC) $(TOOLRC).orig; fi
	@cp -r brushes $(INSTALLDIR)
	@cp -r palettes $(INSTALLDIR)
	@cp -r tool-options $(INSTALLDIR)
	@cp sessionrc $(INSTALLDIR)
	@cp toolrc $(INSTALLDIR)
	@echo "Installation complete."

restore:
	@echo "Restoring previous installation (if possible)"
	@if [ -d "$(BRUSHDIR).orig" ]; then rm -rf $(BRUSHDIR); mv $(BRUSHDIR).orig $(BRUSHDIR); fi
	@if [ -d "$(PALETTEDIR).orig" ]; then rm -rf $(PALETTEDIR); mv $(PALETTEDIR).orig $(PALETTEDIR); fi
	@if [ -d "$(TOOLOPTDIR).orig" ]; then rm -rf $(TOOLOPTDIR); mv $(TOOLOPTDIR).orig $(TOOLOPTDIR); fi
	@if [ -f "$(SESSIONRC).orig" ]; then rm $(SESSIONRC); mv $(SESSIONRC).orig $(SESSIONRC); fi
	@if [ -f "$(TOOLRC).orig" ]; then rm $(TOOLRC); mv $(TOOLRC).orig $(TOOLRC); fi
	@echo "Restoration (as much as possible) complete."