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# util.py -- Utility functions
# Copyright (C) 2005 Jamie Wilkinson <jaq@debian.org>
# 2006 James Westby <jw+debian@jameswestby.net>
#
# This file is part of bzr-builddeb.
#
# bzr-builldeb 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.
#
# bzr-builddeb 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 bzr-builddeb; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
import shutil
import os
from bzrlib.atomicfile import AtomicFile
from bzrlib.ignores import parse_ignore_file
from bzrlib.workingtree import WorkingTree
from debian_bundle.changelog import Changelog
from errors import DebianError
from bdlogging import info, debug
def add_ignore(file):
"""Adds file to .bzrignore if it exists and not already in the file."""
if os.path.exists(file):
tree, relpath = WorkingTree.open_containing(u'.')
ifn = tree.abspath('.bzrignore')
ignored = set()
if os.path.exists(ifn):
f = open(ifn, 'rt')
ignored = parse_ignore_file(f)
f.close()
if file not in ignored:
info("Adding %s to .bzrignore", file)
ignored.add(file)
f = AtomicFile(ifn, 'wt')
try:
for ign in ignored:
f.write(ign.encode('utf-8')+"\n")
f.commit()
finally:
f.close()
inv = tree.inventory
if inv.path2id('.bzrignore'):
debug('.bzrignore is already versioned')
else:
debug('need to make new .bzrignore file versioned')
tree.add(['.bzrignore'])
def recursive_copy(fromdir, todir):
"""Copy the contents of fromdir to todir. Like shutil.copytree, but the
destination directory must already exist with this method, rather than
not exists for shutil."""
mutter("Copying %s to %s", fromdir, todir)
for entry in os.listdir(fromdir):
path = os.path.join(fromdir, entry)
if os.path.isdir(path):
tosubdir = os.path.join(todir, entry)
if not os.path.exists(tosubdir):
os.mkdir(tosubdir)
recursive_copy(path, tosubdir)
else:
shutil.copy(path, todir)
def is_clean(oldtree, newtree):
"""Return True if there are no uncommited changes or unknown files."""
changes = newtree.changes_from(oldtree)
if changes.has_changed() or len(list(newtree.unknowns())) > 0:
return False
return True
def goto_branch(branch):
"""Changes to the specified branch dir if it is not None"""
if branch is not None:
info("Building using branch at %s", branch)
os.chdir(branch)
def find_changelog(t, merge):
changelog_file = 'debian/changelog'
larstiq = False
if not t.has_filename(changelog_file):
if merge:
#Assume LartstiQ's layout (.bzr in debian/)
changelog_file = 'changelog'
larstiq = True
if not t.has_filename(changelog_file):
raise DebianError("Could not open debian/changelog or changelog")
else:
raise DebianError("Could not open debian/changelog")
debug("Using '%s' to get package information", changelog_file)
changelog_id = t.inventory.path2id(changelog_file)
contents = t.get_file_text(changelog_id)
changelog = Changelog(contents)
return changelog, larstiq
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