# this is <Makefile>
# ----------------------------------------------------------------------------
# $Id$
# Copyright (c) 2012 by Daniel Armbruster 
# ----
# This file is part of csback.
# 
# csback is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# csback is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with csback.  If not, see <http://www.gnu.org/licenses/>.
# ----
# Daniel Armbruster 15/01/2012
# 
# REVISIONS and CHANGES
# 15/01/2012	V0.1	Daniel Armbruster
# 16/01/2012  V0.2  added package rule
# 28/02/2012  V0.3  smaller modifications - added csbackobs.py
# ----------------------------------------------------------------------------
PROGRAMS=csback2cron.py csbackntfy.py csbackgen.py csbackchk.py csbackobs.py

.PHONY: all
all: install doc

.PHONY: install
install: installscripts

.PHONY: doc
doc: pdfdoc
  	
# ----------------------------------------------------------------------------
LOCBINDIR=~/bin
RSYNC=$(shell env which rsync)
CRON=$(shell ps -ef | grep -v grep | grep -cw cron)
SYSLOGNG=$(shell ps -ef | grep -v grep | grep -cw syslog)
LOGROTATE=$(shell if [ -d /etc/logrotate.d/ ]; then echo logrotate; fi)
PYTHON=$(shell env which python)

# ----------------------------------------------------------------------------
.PHONY: clean
clean: 
	/bin/rm -rvf $(addprefix $(LOCBINDIR)/,$(patsubst %.py,%,$(PROGRAMS))) 
	$(MAKE) -C doc clean

# ----------------------------------------------------------------------------
CHECKVAR=$(if $($(1)),,$(error ERROR: missing variable $(1)))
CHECKVARS=$(foreach var,$(1),$(call CHECKVAR,$(var)))

CHECKPROG=$(if $($(1)),,$(error ERROR: missing program $(1)))
CHECKPROGS=$(foreach prog,$(1),$(call CHECKPROG,$(prog)))

$(call CHECKVARS, LOCBINDIR)
$(call CHECKPROGS, RSYNC CRON SYSLOGNG LOGROTATE PYTHON)

# ----------------------------------------------------------------------------
PWD=$(shell env pwd)

$(addprefix $(LOCBINDIR)/, $(PROGRAMS)): $(addprefix $(PWD)/, $(PROGRAMS))

$(LOCBINDIR)/%: %.py
	mkdir -pv $(LOCBINDIR)
	ln -fs $(addprefix $(PWD)/,$<) $@
	chmod +x $(addprefix $(PWD)/,$<) 

installscripts: $(addprefix $(LOCBINDIR)/, $(patsubst %.py,%,$(PROGRAMS)))

# ----------------------------------------------------------------------------
pdfdoc:
	$(MAKE) -C doc pdf

# ============================================================================
# create package
# --------------
# version code based on current date
VERSIONCODE=$(shell date +'%Y%m%d')
# name of the package (including version code)
THEPACKAGE=csback$(VERSIONCODE)
# directory to place temporary files in
TMPDIR=$(HOME)/tmp
# path where the package will be created
TMPPATH=$(TMPDIR)/$(THEPACKAGE)

# tar file
PACKAGETARFILE=$(THEPACKAGE).tar
# gzipped tar file
PACKAGEGZIPFILE=$(PACKAGETARFILE).gz
# bzipped tar file
PACKAGEBZIPFILE=$(PACKAGETARFILE).bz2

# list of README files to be obtained from the subversion repository
INFOFILESFROMSVNWITHPATH=src/LICENSE.GPL
# list of files to be created
INFOFILESFROMSVN=$(notdir $(INFOFILESFROMSVNWITHPATH))

DIRFROMSVNWITHPATH=src/python/csback
# list of files to be created
DIRFROMSVN=$(notdir $(DIRFROMSVNWITHPATH))

# rule for the creation of README files from the repository
$(addprefix $(TMPPATH)/,$(INFOFILESFROMSVN)):
	mkdir -pv $(dir $@)
	svn export \
	$(SVNTF)/trunk/$(filter %$(notdir $@),$(INFOFILESFROMSVNWITHPATH)) $@
	
# rule for the creation of csback files from the repository
$(addprefix $(TMPPATH)/,$(DIRFROMSVN)):
	mkdir -pv $(dir $@)
	svn export $(SVNTF)/trunk/$(filter %$(notdir $@),$(DIRFROMSVNWITHPATH)) $@

# create package tar archive
$(TMPDIR)/$(PACKAGETARFILE): $(TMPPATH)
	/bin/rm -fv $@
	cd $</..; tar cvf $@ $(notdir $<)
	/bin/rm -fv $(TMPDIR)/$(PACKAGEGZIPFILE) $(TMPDIR)/$(PACKAGEBZIPFILE)

# create compressed archives
$(TMPDIR)/$(PACKAGEGZIPFILE): $(TMPDIR)/$(PACKAGETARFILE)
	/bin/cp -vf $< $<.sik
	gzip -vf9 $<
	/bin/mv $<.sik $<
$(TMPDIR)/$(PACKAGEBZIPFILE): $(TMPDIR)/$(PACKAGETARFILE); bzip2 -vf9 $<

.PHONY: package
package:
	- /bin/rm -rvf $(TMPPATH) 
	$(MAKE) $(addprefix $(TMPPATH)/,$(INFOFILESFROMSVN)) 
	$(MAKE) $(addprefix $(TMPPATH)/,$(DIRFROMSVN)) 
	$(MAKE) -C $(TMPPATH)/$(DIRFROMSVN) doc
	$(MAKE) $(TMPDIR)/$(PACKAGEGZIPFILE) $(TMPDIR)/$(PACKAGEBZIPFILE)  
	/bin/mv -fv $(TMPDIR)/$(PACKAGEGZIPFILE) $(TMPDIR)/$(PACKAGEBZIPFILE) \
	$(TF_PUBLICATIONPATH) 

# ----- END OF Makefile -----