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# Copyright (C) 2010 Canonical Ltd
# Copyright (C) 2010 Parth Malwankar <parth.malwankar@gmail.com>
#
# 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
"""bzr grep"""
import os
import sys
from bzrlib import errors
from bzrlib.commands import Command, register_command, display_command
from bzrlib.option import (
Option,
)
from bzrlib.lazy_import import lazy_import
lazy_import(globals(), """
import re
import grep
import bzrlib
from bzrlib import (
osutils,
bzrdir,
trace,
)
""")
version_info = (0, 1)
class cmd_grep(Command):
"""Print lines matching PATTERN for specified files.
"""
takes_args = ['pattern', 'path*']
takes_options = [
'verbose',
Option('line-number', short_name='n',
help='show 1-based line number.'),
Option('ignore-case', short_name='i',
help='ignore case distinctions while matching.'),
Option('recursive', short_name='R',
help='Recurse into subdirectories.'),
Option('from-root',
help='Search for pattern starting from the root of the branch. '
'(implies --recursive)'),
Option('null', short_name='Z',
help='Write an ascii NUL (\\0) separator '
'between output lines rather than a newline.'),
]
@display_command
def run(self, verbose=False, ignore_case=False, recursive=False, from_root=False,
null=False, line_number=False, path_list=None, pattern=None):
if path_list == None:
path_list = ['.']
else:
if from_root:
raise errors.BzrCommandError('cannot specify both --from-root and PATH.')
eol_marker = '\n'
if null:
eol_marker = '\0'
re_flags = 0
if ignore_case:
re_flags = re.IGNORECASE
patternc = grep.compile_pattern(pattern, re_flags)
for path in path_list:
tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(path)
if osutils.isdir(path):
# setup rpath to open files relative to cwd
rpath = relpath
if relpath:
rpath = osutils.pathjoin('..',relpath)
tree.lock_read()
try:
if from_root:
# start searching recursively from root
relpath=None
recursive=True
for fp, fc, fkind, fid, entry in tree.list_files(include_root=False,
from_dir=relpath, recursive=recursive):
if fc == 'V' and fkind == 'file':
grep.file_grep(tree, fid, rpath, fp, patternc,
eol_marker, self.outf, line_number)
finally:
tree.unlock()
else:
id = tree.path2id(path)
if not id:
trace.warning("warning: file '%s' is not versioned." % path)
continue
tree.lock_read()
try:
grep.file_grep(tree, id, '.', path, patternc, eol_marker,
self.outf, line_number)
finally:
tree.unlock()
register_command(cmd_grep)
def test_suite():
from bzrlib.tests import TestUtil
suite = TestUtil.TestSuite()
loader = TestUtil.TestLoader()
testmod_names = [
'test_grep',
]
suite.addTest(loader.loadTestsFromModuleNames(
["%s.%s" % (__name__, tmn) for tmn in testmod_names]))
return suite
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