# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as 
# published by the Free Software Foundation here:
# (http://www.gnu.org/licenses/gpl-2.0.html)
# 
# This program 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.

DEPENDS =
ARCH = x86_64
URL = https://www.iana.org/time-zones
BRIEF = Time zone data
DESC = The Time Zone Database (often called tz or zoneinfo) contains code \
and data that represent the history of local time for many representative \
locations around the globe
SNAPVER = 1

ARCHIVE := $(PWD)/SRC/$(shell ls SRC|egrep '(bz2|gz|tar|xz)$$'|tail -1)
TYPE := $(shell file -ib $(ARCHIVE)|cut -d';' -f1|tr -d '\n')
SRCDIR := SRCDIR
PATCHDIR := $(PWD)/SRC/patches
VERSION := $(shell echo $(ARCHIVE)|egrep -o '[0-9]+[a-z]+')-$(SNAPVER)

include /usr/share/snap/Makefile.snaplinux

$(SRCDIR)/version: $(ARCHIVE)
	@install -v -d -m 755 $(SRCDIR)
	@if [ '$(TYPE)' == 'application/x-bzip2' ]; then \
		tar -jxf $(ARCHIVE) -C $(SRCDIR); \
	elif [ '$(TYPE)' == 'application/x-gzip' ]; then \
		tar -zxf $(ARCHIVE) -C $(SRCDIR); \
	elif [ '$(TYPE)' == 'application/x-tar' ]; then \
		tar -xf $(ARCHIVE) -C $(SRCDIR); \
	elif [ '$(TYPE)' == 'application/x-xz' ]; then \
		tar -xf $(ARCHIVE) -C $(SRCDIR); \
	else \
		echo 'Unable to determine archive type'; \
		exit 1; \
	fi
	@touch $(SRCDIR)/version

$(ROOT): $(SRCDIR)/version
	@if [ -d $(ROOT) ]; then \
		touch $(ROOT); \
	else \
		mkdir -v $(ROOT); \
	fi

	@cd $(SRCDIR) && \
	install -v -d -m 755 $(ROOT)/usr/share/zoneinfo/{posix,right} && \
	for tz in etcetera southamerica northamerica europe africa \
	antarctica asia australasia backward pacificnew; do \
		pwd && \
		zic -L /dev/null -d $(ROOT)/usr/share/zoneinfo \
			-y "sh yearistype.sh" $$tz && \
		zic -L /dev/null -d $(ROOT)/usr/share/zoneinfo/posix \
			-y "sh yearistype.sh" $$tz && \
		zic -L leapseconds -d $(ROOT)/usr/share/zoneinfo/right \
			-y "sh yearistype.sh" $$tz; \
	done && \
	cp -v zone.tab iso3166.tab $(ROOT)/usr/share/zoneinfo

clean:
	@rm -rvf $(ROOT) \
		$(SNAPINFO) \
		$(MANIFEST) \
		$(FILES) \
		$(SRCDIR)