#!/usr/bin/env python
#
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

import sys, re
from popen2 import popen2, popen3
from optparse import OptionParser

prereqs = ["tr", "svn", "xsltproc", "sed", "grep", "wget"]

svncmd = "svn log https://svn.apache.org/repos/asf/incubator/qpid --xml -r %s:HEAD | tr '\\n\\r|' '  -' | xsltproc svnlog2wiki.xsl - | grep r | sed -e 's/^ *//' | sed -e 's/\\(QPID-[0-9]*\\)/\\[\\1 | https:\\/\\/issues.apache.org\\/jira\\/browse\\/\\1 \]/g'"

jiracmd = "wget -q -O - http://issues.apache.org/jira/sr/jira.issueviews:searchrequest-xml/12312564/SearchRequest-12312564.xml?tempMax=1000 | tr '[]|' '()-' | xsltproc jiraRSS2wiki.xsl - | grep '|' | sed -e 's/^ *//'"


def get_commits(revision):
    (stdout, stdin) = popen2(svncmd % revision)
    return stdout.read()

def get_jiras():
    (stdout, stdin) = popen2(jiracmd)
    return stdout.read()

def main():
    parser = OptionParser()
    parser.add_option("-r", "--revision", dest="revision", action="store",
                      type="string",
                      help="The first revision to generate logs for")

    (options, args) = parser.parse_args()

    # Check that we have what's necessary

    notfound = re.compile('^which')
    for cmd in prereqs:
        (stdout, stdin, stderr) = popen3('which %s' % cmd)
        if (notfound.match(stderr.read())):
            parser.error ("Could not find command %s, try [apt-get|yum] install %s" %
                          (cmd, cmd))
            
    if (options.revision == None):
        parser.error("svn revision must be specified")

    print(get_commits(options.revision))
    print "h2. Jiras"
    print(get_jiras())

if __name__ == "__main__":
    main()
