# Copyright (C) 2008-2010 by Oleksandr Gavenko <gavenkoa@gmail.com>

#

# You can do anything with this file without any warranty.

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

# Standard Makefile settings.

SHELL = /bin/sh

export PATH := /bin:/usr/bin:${PATH}

# Disable built in pattern rules.

MAKEFLAGS += -r

# Disable built in variables.

MAKEFLAGS += -R

# Disable built in suffix rules.

.SUFFIXES:

# Delete target file if command fails.

.DELETE_ON_ERROR:

# Default target.

.DEFAULT_GOAL = all

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

# Helper definition.

which = $(firstword $(foreach item,$(subst :, ,$(PATH)),$(wildcard $(item)/$1)))

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

# Platform/environment definition.

ifeq '' '$(HOME)'

  $(error Home env var not set!)

endif

host_os = unix

ifneq '' '$(COMSPEC)'

  ifneq '' '$(WINDIR)'

    # Probably under Windows.

    host_os = windows

  endif

endif

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

# Installation directories.

emacsdir := $(HOME)/.emacs.d

mylispdir := $(emacsdir)/my

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

# Build tool definition/switches.

EMACS = emacs

# I prefer native Windows Emacs, so use it if available.

ifeq 'windows' '$(host_os)'

  ifneq '' '$(call which,runemacs.exe)'

    EMACS = runemacs

  endif

endif

RST2HTML = rst2html

ifeq '$(host_os)' 'windows'

  RST2HTML = rst2html.py

endif

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

# Proj dirs/files.

EL_FILES := $(wildcard *.el)

RST_FILES := $(wildcard *.rst)

HTML_FILES := $(RST_FILES:.rst=.html)

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

# Targets.

.PHONY: all

all: install

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

# Install/uninstall targets.

.PHONY: upgrade

upgrade:

	\

if [ ! -d $(mylispdir) ]; then \

  if [ -d $(emacsdir)/my-lisp ]; then \

    rm -f $(emacsdir)/autoload-my.el; \

    mv $(emacsdir)/my-lisp $(mylispdir); \

  else \

    mkdir -p $(mylispdir); \

  fi; \

  mv ~/.emacs-my $(mylispdir)/.emacs || true; \

  mv ~/.emacs-custom.el $(mylispdir)/.emacs-custom || true; \

  mv ~/.emacs-pre $(mylispdir) || true; \

  mv ~/.emacs-post $(mylispdir) || true; \

  mv ~/.emacs-places $(mylispdir) || true; \

  mv ~/.emacs.desktop $(mylispdir) || true; \

  rm -f ~/.emacs-autogen; \

fi

.PHONY: install-all

install-all: install

	cp .emacs-pre $(mylispdir)/.emacs-pre

	cp .emacs-post $(mylispdir)/.emacs-post

.PHONY: install

install:

	mkdir -p $(mylispdir)

	find $(mylispdir) -type f -name '*.el' -delete

	for file in .emacs-pre .emacs-post; do \

		[ -f $(mylispdir)/$$file ] || cp $$file $(mylispdir)/$$file; \

	done

	cp .emacs $(HOME)/.emacs

	cp .emacs-my $(mylispdir)/.emacs-my

	mkdir -p $(HOME)/.gnus/scores

	cp all.SCORE $(HOME)/.gnus/scores

	for file in $(EL_FILES); do \

		cp -f $$file $(mylispdir); \

	done

	$(EMACS) -Q --batch --eval='(let ((generated-autoload-file "$(mylispdir)/loaddefs.el")) (update-directory-autoloads "$(mylispdir)"))'

	./.emacs-autogen.sh $(mylispdir)/.emacs-autogen

	cp -r srecode/ $(HOME)/.emacs.d/

.PHONY: uninstall

uninstall:

	rm -f $(HOME)/.emacs $(mylispdir)/.emacs-my $(mylispdir)/.emacs-autogen

	find $(mylispdir) -type f -name '*.el' -delete

	rm -f -r $(emacsdir)/srecode

.PHONY: tar

tar:

	tar cf dot-emacs.tar .emacs .emacs-my

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

# Documentation targets.

.PHONY: html

html: $(HTML_FILES)

$(HTML_FILES): %.html: %.rst

	$(RST2HTML) --stylesheet=rst.css $*.rst $@

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

# Clean targets.

.PHONY: distclean

distclean: clean

.PHONY: clean

clean:

	rm -f dot-emacs.tar $(HTML_FILES)