#!/usr/bin/python3

import polib
import re
import sys

def main (f,d=None):
    po = polib.pofile(f, wrapwidth=0)

    if not d is None:
            pod=polib.pofile(d)

    for entry in po:
        if (re.fullmatch(r'-[-a-z0-9[\]]+', entry.msgid)) \
           or re.fullmatch(r'((linkgit:)?(git[-a-z0-9[\]]+|mail)(\[[157]\]|\([157]\))(,|;)?(\n| )?)+', entry.msgid) \
           or re.fullmatch(r'`[a-zA-Z-_]+`|(user|transfer|submodule|stash|status|splitIndex|showbranch|sendemail|repack|remote|receive|push|merge(tool)?|mailinfo|log|interactive|instaweb|i18n|help|gui|gitweb|fastimport|format|fetch|diff(tool)?|credential|commit|column|core|branch|apply|color|git-p4)\.[a-zA-Z_.]+|araxis|bc3?|codecompare|deltawalker|guiffy|meld|diff(use|merge)|ec?merge|(exam|g?vim|t?k|open|xx)?diff[23]?|(p4|tortoise|win)merge', entry.msgid)\
           or re.fullmatch(r'`?GIT_[A-Z_]+`?', entry.msgid):
            entry.msgstr = entry.msgid
            entry.flags.append("ignore-same")
            flags = sorted(set(entry.flags))
            entry.flags = list(flags)
            remove_fuzzy(entry)
        elif not d is None:
            for entryd in pod:
                if re.fullmatch(entryd.msgid, entry.msgid):
                    entry.msgstr = re.sub(entryd.msgid, entryd.msgstr, entry.msgid)
                    remove_fuzzy(entry)

    po.save(f)

def remove_fuzzy (entry):
            if 'fuzzy' in entry.flags:
                entry.flags.remove('fuzzy')
                entry.previous_msgid = None


if __name__ == '__main__':
    if len(sys.argv)>2:
        main(sys.argv[1], sys.argv[2])
    elif len(sys.argv)>1:
        main(sys.argv[1])