1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
# 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.revisionspec import RevisionSpec, RevisionInfo
from bzrlib.workingtree import WorkingTree
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',
'revision',
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, revision=None, pattern=None):
if path_list == None:
path_list = ['.']
else:
if from_root:
raise errors.BzrCommandError('cannot specify both --from-root and PATH.')
print_revno = False
if revision == None:
revision = [RevisionSpec.from_string("last:1")]
else:
print_revno = True # used to print revno in output.
start_rev = revision[0]
end_rev = None
if len(revision) == 2:
end_rev = revision[1]
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)
wt, relpath = WorkingTree.open_containing('.')
id_to_revno = wt.branch.get_revision_id_to_revno_map()
rev = start_rev
wt.lock_read()
try:
for path in path_list:
tree = rev.as_tree(wt.branch)
revid = rev.as_revision_id(wt.branch)
try:
revno = ".".join([str(n) for n in id_to_revno[revid]])
except KeyError, e:
self._skip_file(path)
continue
if osutils.isdir(path):
self._grep_dir(tree, relpath, recursive, line_number,
patternc, from_root, eol_marker, revno, print_revno)
else:
id = tree.path2id(path)
if not id:
self._skip_file(path)
continue
tree.lock_read()
try:
grep.file_grep(tree, id, '.', path, patternc, eol_marker,
self.outf, line_number, revno, print_revno)
finally:
tree.unlock()
finally:
wt.unlock()
def _skip_file(self, path):
trace.warning("warning: skipped unversioned file '%s'." % path)
def _grep_dir(self, tree, relpath, recursive, line_number, compiled_pattern,
from_root, eol_marker, revno, print_revno):
# setup relpath 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, compiled_pattern,
eol_marker, self.outf, line_number, revno, print_revno)
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
|