~bzr-pqm/bzr/bzr.dev

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# Copyright (C) 2005 Canonical Ltd

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from bzrlib.trace import mutter, note, warning
from bzrlib.errors import NotBranchError
from bzrlib.branch import Branch
from bzrlib.osutils import quotefn
from os.path import dirname

def glob_expand_for_win32(file_list):
    import glob
    
    expanded_file_list = []
    for possible_glob in file_list:
        glob_files = glob.glob(possible_glob)
       
        if glob_files == []:
            # special case to let the normal code path handle
            # files that do not exists
            expanded_file_list.append(possible_glob)
        else:
            expanded_file_list += glob_files
    return expanded_file_list


def add_reporter_null(path, kind, entry):
    """Absorb add reports and do nothing."""
    pass

def add_reporter_print(path, kind, entry):
    """Print a line to stdout for each file that's added."""
    print "added", quotefn(path)
    
def _prepare_file_list(file_list):
    """Prepare a file list for use by smart_add_*."""
    import sys
    if sys.platform == 'win32':
        file_list = glob_expand_for_win32(file_list)
    if not file_list:
        file_list = ['.']
    file_list = list(file_list)
    return file_list


def smart_add(file_list, recurse=True, reporter=add_reporter_null):
    """Add files to version, optionally recursing into directories.

    This is designed more towards DWIM for humans than API simplicity.
    For the specific behaviour see the help for cmd_add().

    Returns the number of files added.
    """
    file_list = _prepare_file_list(file_list)
    b = Branch(file_list[0], find_root=True)
    return smart_add_branch(b, file_list, recurse, reporter)

        
def smart_add_branch(branch, file_list, recurse=True, reporter=add_reporter_null):
    """Add files to version, optionally recursing into directories.

    This is designed more towards DWIM for humans than API simplicity.
    For the specific behaviour see the help for cmd_add().

    This yields a sequence of (path, kind, file_id) for added files.

    Returns the number of files added.
    """
    import os
    from bzrlib.errors import BadFileKindError, ForbiddenFileError
    import bzrlib.branch

    assert isinstance(recurse, bool)

    file_list = _prepare_file_list(file_list)
    user_list = file_list[:]
    inv = branch.read_working_inventory()
    tree = branch.working_tree()
    count = 0

    for f in file_list:
        rf = branch.relpath(f)
        af = branch.abspath(rf)

        kind = bzrlib.osutils.file_kind(af)

        if kind != 'file' and kind != 'directory':
            if f in user_list:
                raise BadFileKindError("cannot add %s of type %s" % (f, kind))
            else:
                warning("skipping %s (can't add file of kind '%s')", f, kind)
                continue

        mutter("smart add of %r, abs=%r" % (f, af))
        
        if bzrlib.branch.is_control_file(af):
            raise ForbiddenFileError('cannot add control file %s' % f)
            
        versioned = (inv.path2id(rf) != None)

        if kind == 'directory':
            try:
                sub_branch = Branch(af, find_root=False)
                sub_tree = True
            except NotBranchError:
                sub_tree = False
        else:
            sub_tree = False

        if rf == '':
            mutter("branch root doesn't need to be added")
            sub_tree = False
        elif versioned:
            mutter("%r is already versioned" % f)
        elif sub_tree:
            mutter("%r is a bzr tree" %f)
        else:
            count += __add_one(branch, inv, rf, kind, reporter)

        if kind == 'directory' and recurse and not sub_tree:
            for subf in os.listdir(af):
                subp = os.path.join(rf, subf)
                if subf == bzrlib.BZRDIR:
                    mutter("skip control directory %r" % subp)
                elif tree.is_ignored(subp):
                    mutter("skip ignored sub-file %r" % subp)
                else:
                    mutter("queue to add sub-file %r" % subp)
                    file_list.append(branch.abspath(subp))


    mutter('added %d entries', count)
    
    if count > 0:
        branch._write_inventory(inv)

    return count

def __add_one(branch, inv, path, kind, reporter):
    """Add a file or directory, automatically add unversioned parents."""

    # Nothing to do if path is already versioned.
    # This is safe from infinite recursion because the branch root is
    # always versioned.
    if inv.path2id(path) != None:
        return 0

    # add parent
    count = __add_one(branch, inv, dirname(path), 'directory', reporter)

    entry = inv.add_path(path, kind=kind)
    mutter("added %r kind %r file_id={%s}" % (path, kind, entry.file_id))
    reporter(path, kind, entry)

    return count + 1