#!/usr/bin/python3

# -*- coding:utf-8 -*-

#

# Copyright (C) 2017 Björn Esser <besser82@fedoraproject.org>

#

# based on cmake.prov, which is

# Copyright (C) 2015 Daniel Vrátil <dvratil@redhat.com>

# Copyright (C) 2017 Daniel Vrátil <dvratil@fedoraproject.org>

#

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU Library General Public License as

# published by the Free Software Foundation; either version 2 of the

# License, or (at your option) any later version.

#

# 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.

#

# You should have received a copy of the GNU Library General Public

# License along with this program; if not, write to the

# Free Software Foundation, Inc.,

# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

#

import sys

import re

import subprocess

class CMakeParser:

    def __init__(self, filelist = None):

        if filelist == None:

            filelist = sys.stdin

        has_module = False

        is_arched = False

        isa_suf = subprocess.check_output(["/usr/bin/rpm", "-E %{?_isa}"]).decode().strip()

        paths = map(lambda x: x.rstrip(), filelist.readlines())

        for path in paths:

            modulePath, cmakeModule, lowercase = self.parseCmakeModuleConfig(path)

            if modulePath and cmakeModule:

                has_module = True

                if re.match(".*/usr/lib(64)?/cmake/.*", modulePath):

                    is_arched = True

        if has_module:

            if is_arched:

                print("cmake-filesystem%s" % isa_suf)

            else:

                print("cmake-filesystem")

    def parseCmakeModuleConfig(self, configFile):

        paths = configFile.rsplit("/", 3)

        modulePath = "%s/cmake/%s" % (paths[0], paths[2])

        cfgFile = paths[3]

        if cfgFile.endswith("Config.cmake"):

           return (modulePath, cfgFile[0:-len("Config.cmake")], False)

        elif cfgFile.endswith("-config.cmake"):

           return (modulePath, cfgFile[0:-len("-config.cmake")], True)

        else:

            return (None, None, False)

if __name__ == "__main__":

    parser = CMakeParser()