#!/usr/bin/python

"""
Automatic provides generator for Node.js libraries.

Taken from package.json.  See `man npm-json` for details.
"""
# Copyright 2012 T.C. Hollingsworth <tchollingsworth@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

import json
import subprocess
import sys

paths = [path.rstrip() for path in sys.stdin.readlines()]

for path in paths:
    if path.endswith('package.json'):
        fh = open(path)
        metadata = json.load(fh)
        fh.close()

        if 'name' in metadata and not ('private' in metadata and metadata['private']):
            print 'rh-nodejs4-npm(' + metadata['name'] + ')',

            if 'version' in metadata:
                print '= ' + metadata['version']
            else:
                print

# invoke the regular RPM provides generator                
p = subprocess.Popen(['/usr/lib/rpm/find-provides'], stdout=subprocess.PIPE, stdin=subprocess.PIPE)
print p.communicate(input='\n'.join(paths))[0]