# git.py - git support for the convert extension

#

#  Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others

#

# This software may be used and distributed according to the terms of the

# GNU General Public License version 2 or any later version.

from __future__ import absolute_import

import os

from mercurial.i18n import _

from mercurial import (

    config,

    error,

    node as nodemod,

    pycompat,

)

from . import common

class submodule(object):

    def __init__(self, path, node, url):

        self.path = path

        self.node = node

        self.url = url

    def hgsub(self):

    def hgsubstate(self):

# Keys in extra fields that should not be copied if the user requests.

bannedextrakeys = {

    # Git commit object built-ins.

    # Mercurial built-ins.

}

class convert_git(common.converter_source, common.commandline):

    # Windows does not support GIT_DIR= construct while other systems

    # cannot remove environment variable. Just assume none have

    # both issues.

    def _gitcmd(self, cmd, *args, **kwargs):

    def gitrun0(self, *args, **kwargs):

        return self._gitcmd(self.run0, *args, **kwargs)

    def gitrun(self, *args, **kwargs):

        return self._gitcmd(self.run, *args, **kwargs)

    def gitrunlines0(self, *args, **kwargs):

        return self._gitcmd(self.runlines0, *args, **kwargs)

    def gitrunlines(self, *args, **kwargs):

        return self._gitcmd(self.runlines, *args, **kwargs)

    def gitpipe(self, *args, **kwargs):

        return self._gitcmd(self._run3, *args, **kwargs)

    def __init__(self, ui, repotype, path, revs=None):

        super(convert_git, self).__init__(ui, repotype, path, revs=revs)

        # Pass an absolute path to git to prevent from ever being interpreted

        # as a URL

        path = os.path.abspath(path)

            raise common.NoRepo(

            )

        # The default value (50) is based on the default for 'git diff'.

        if similarity < 0 or similarity > 100:

        if similarity > 0:

            if findcopiesharder:

        else:

            self.simopt = []

        self.path = path

        self.submodules = []

        banned = set(self.copyextrakeys) & bannedextrakeys

        if banned:

            raise error.Abort(

            )

        messagedifferent = None

        messagealways = None

        for a in committeractions:

                k = a

                v = None

        if messagedifferent and messagealways:

            raise error.Abort(

                _(

                )

            )

        if dropcommitter and replaceauthor:

            raise error.Abort(

                _(

                )

            )

        if dropcommitter and messagealways:

            raise error.Abort(

                _(

                )

            )

        if not messagedifferent and not messagealways:

        self.committeractions = {

        }

    def after(self):

        for f in self.catfilepipe:

            f.close()

    def getheads(self):

        if not self.revs:

            heads = output.splitlines()

            if status:

        else:

            heads = []

            for rev in self.revs:

                heads.append(rawhead[:-1])

                if ret:

        return heads

    def catfile(self, rev, ftype):

        if rev == nodemod.nullhex:

            raise IOError

        self.catfilepipe[0].flush()

        info = self.catfilepipe[1].readline().split()

        if info[1] != ftype:

            raise error.Abort(

                % (pycompat.bytestr(ftype), rev)

            )

        size = int(info[2])

        data = self.catfilepipe[1].read(size)

        if len(data) < size:

            raise error.Abort(

            )

        # read the trailing newline

        self.catfilepipe[1].read(1)

        return data

    def getfile(self, name, rev):

        if rev == nodemod.nullhex:

            return None, None

        else:

            mode = self.modecache[(name, rev)]

        return data, mode

    def submoditer(self):

        null = nodemod.nullhex

        for m in sorted(self.submodules, key=lambda p: p.path):

            if m.node != null:

                yield m

    def parsegitmodules(self, content):

        """Parse the formatted .gitmodules file, example file format:

        [submodule "sub"]\n

        \tpath = sub\n

        \turl = git://giturl\n

        """

        self.submodules = []

        c = config.config()

        # Each item in .gitmodules starts with whitespace that cant be parsed

        c.parse(

        )

        for sec in c.sections():

            s = c[sec]

    def retrievegitmodules(self, version):

        if ret:

            # This can happen if a file is in the repo that has permissions

            # 160000, but there is no .gitmodules file.

            self.ui.warn(

                % version

            )

            return

        try:

            self.parsegitmodules(modules)

        except error.ParseError:

            self.ui.warn(

            )

            return

        for m in self.submodules:

            if ret:

                continue

            m.node = node.strip()

    def getchanges(self, version, full):

        if full:

        self.modecache = {}

        cmd = (

        )

        output, status = self.gitrun(*cmd)

        if status:

        changes = []

        copies = {}

        seen = set()

        entry = None

        subexists = [False]

        subdeleted = [False]

        lcount = len(difftree)

        i = 0

        def add(entry, f, isdest):

            seen.add(f)

            h = entry[3]

                if skipsubmodules:

                    return

                subexists[0] = True

                    subdeleted[0] = True

                else:

                if not skipsubmodules:

                    subexists[0] = True

            else:

                if renamesource:

                    h = nodemod.nullhex

                changes.append((f, h))

        while i < lcount:

            l = difftree[i]

            i += 1

            if not entry:

                    continue

                entry = tuple(pycompat.bytestr(p) for p in l.split())

                continue

            f = l

                copysrc = f

                copydest = difftree[i]

                i += 1

                f = copydest

                copies[copydest] = copysrc

            if f not in seen:

                add(entry, f, False)

            # A file can be copied multiple times, or modified and copied

            # simultaneously. So f can be repeated even if fdest isn't.

                # rename: next line is the destination

                fdest = difftree[i]

                i += 1

                if fdest not in seen:

                    add(entry, fdest, True)

                    # .gitmodules isn't imported at all, so it being copied to

                    # and fro doesn't really make sense

                        copies[fdest] = f

            entry = None

        if subexists[0]: