1 # (Be in -*- python -*- mode.)
3 # ====================================================================
4 # Copyright (c) 2000-2008 CollabNet. All rights reserved.
6 # This software is licensed as described in the file COPYING, which
7 # you should have received as part of this distribution. The terms
8 # are also available at http://subversion.tigris.org/license-1.html.
9 # If newer versions of this license are posted there, you may use a
10 # newer version instead, at your option.
12 # This software consists of voluntary contributions made by many
13 # individuals. For exact contribution history, see the revision
14 # history and logs, available at http://cvs2svn.tigris.org/.
15 # ====================================================================
17 """Access the CVS repository via RCS's 'co' command."""
20 from cvs2svn_lib
.common
import FatalError
21 from cvs2svn_lib
.common
import canonicalize_eol
22 from cvs2svn_lib
.process
import check_command_runs
23 from cvs2svn_lib
.process
import get_command_output
24 from cvs2svn_lib
.process
import CommandFailedException
25 from cvs2svn_lib
.context
import Ctx
26 from cvs2svn_lib
.revision_manager
import RevisionReader
27 from cvs2svn_lib
.apple_single_filter
import get_maybe_apple_single
30 class RCSRevisionReader(RevisionReader
):
31 """A RevisionReader that reads the contents via RCS."""
33 def __init__(self
, co_executable
):
34 self
.co_executable
= co_executable
36 check_command_runs([self
.co_executable
, '-V'], self
.co_executable
)
37 except CommandFailedException
, e
:
38 raise FatalError('%s\n'
39 'Please check that co is installed and in your PATH\n'
40 '(it is a part of the RCS software).' % (e
,))
42 def get_content(self
, cvs_rev
):
47 '-p%s' % (cvs_rev
.rev
,)
49 if cvs_rev
.get_property('_keyword_handling') == 'collapsed':
50 pipe_cmd
.append('-kk')
51 pipe_cmd
.append(cvs_rev
.cvs_file
.filename
)
52 data
= get_command_output(pipe_cmd
)
54 if Ctx().decode_apple_single
:
55 # Insert a filter to decode any files that are in AppleSingle
57 data
= get_maybe_apple_single(data
)
59 eol_fix
= cvs_rev
.get_property('_eol_fix')
61 data
= canonicalize_eol(data
, eol_fix
)