#!/usr/bin/env python
# Given a URL with a load of tarballs in, print commands to update port version
# numbers. This is intended for use with things like:
# http://ftp.gnome.org/pub/GNOME/desktop/2.4/2.4.2/sources/

import os, sys, re, glob
import garstowlib

aliases = {
	"GConf": "gconf",
	"ORBit2": "orbit",
	"Terminal": "terminal",
	"Thunar": "thunar",
	"gconfmm": "gconfmm2.4",
	"glade3": "glade",
	"glibmm": "glibmm2.4",
	"gnome-vfsmm": "gnome-vfsmm2.4",
	"gtk+": "gtk",
	"gtkmm": "gtkmm2.4",
	"libart_lgpl": "libart",
	"libglademm": "libglademm2.4",
	"libgnomecanvasmm": "libgnomecanvasmm2.4",
	"libgnomemm": "libgnomemm2.4",
	"libsigc++": "libsigc++2.0",
	}

version_scores = {
	"tar.gz": 10,
	"tar.bz2": 20,
	}

def getfiles(url):
	f = os.popen("elinks -dump " + url)
	files = {}
	for l in f.readlines():
		m = re.search(r'([A-Za-z0-9_+-]+)-(X11R\d+\.\d+-)?([0-9\.]+[0-9a-z]*(?:-rc[0-9]+)?)\.(tar\.gz|tar\.bz2)', l)
		if m is not None:
			(fn, name, xorgtag, version, format) = m.group(0, 1, 2, 3, 4)
			l = files.setdefault(name, [])
			l.append((version, version_scores[format], fn, xorgtag, format))
	f.close()

	found = {}
	for (name, l) in files.items():
		l.sort()
		(version, vs, fn, xorgtag, format) = l[-1]
		found[fn] = (name, xorgtag, version, format)
	return found

def main(args):
	fs = {}
	for arg in args:
		print "# Reading filenames from " + arg
		fs.update(getfiles(arg))
	os.chdir(garstowlib.gar_dir)
	ports = {}
	package_names = garstowlib.get_package_names()
	fns = fs.keys()
	fns.sort()
	for fn in fns:
		(name, xorgtag, version, format) = fs[fn]
		portname = aliases.get(name, name)
		if not portname in package_names:
			print "# Can't find corresponding port for " + name
		else:
			portdir = package_names[portname]
			ports[portname] = portdir
			new = garstowlib.parse_version(version)
			oldv = garstowlib.get_version(portname)
			old = garstowlib.parse_version(oldv)
			if new > old:
				makefile = portdir + "/Makefile"
				print "# from " + oldv
				perl = "s/^(GARVERSION =).*/$1 %s/;" % version
				portfile = garstowlib.get_portfile(portname)
				if xorgtag is not None:
					if "XORGTAG" in portfile.vars:
						perl += "s/^(XORGTAG =).*/$1 %s/;" % xorgtag
					else:
						perl += "s/^(GARVERSION =.*)/$1\\nXORGTAG = %s/" % xorgtag
				print "perl -i.bak -pe '%s' %s" % (perl, makefile)
	print "# For all these packages:"
	pns = ports.keys()
	pns.sort(garstowlib.cmp_install)
	print "# LIBDEPS = " + " ".join(map(lambda p: ports[p], pns))
	return 0

if __name__ == "__main__":
	sys.exit(main(sys.argv[1:]))