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# (Be in -*- mode: python; coding: utf-8 -*- mode.)
#
# ====================================================================
# Copyright (c) 2006-2009 CollabNet. All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://subversion.tigris.org/license-1.html.
# If newer versions of this license are posted there, you may use a
# newer version instead, at your option.
#
# This software consists of voluntary contributions made by many
# individuals. For exact contribution history, see the revision
# history and logs, available at http://cvs2svn.tigris.org/.
# ====================================================================
# #####################
# ## PLEASE READ ME! ##
# #####################
#
# This is a template for an options file that can be used to configure
# cvs2svn to convert to Mercurial rather than to Subversion. See
# www/cvs2git.html and www/cvs2svn.html for general information, and
# see the comments in this file for information about what options are
# available and how they can be set.
#
# "cvs2hg" is shorthand for "cvs2git in the mode where it is
# outputting to Mercurial instead of git". But the program that needs
# to be run is still called "cvs2git". Run it with the --options
# option, passing it this file as argument:
#
# cvs2git --options=cvs2hg-example.options
#
# Mercurial can (experimentally at this time) read git-fast-import
# format via its "hg fastimport" extension, with a couple of
# exceptions:
#
# 1. "hg fastimport" does not support blobs, so the contents of the
# revisions are output inline rather than in a separate blobs file.
# This increases the size of the output, because file contents that
# appear identically on multiple branches have to be output
# multiple times.
#
# 2. Mercurial only allows a revsion to have two parents (not an
# arbitrary number, as allowed by git). This affects the way that
# cvs2svn handles a symbol that includes content from multiple
# parent branches. For output to Mercurial, files are only copied
# from one parent branch in each commit (therefore potentially
# taking multiple commits to create the symbol).
#
# Many options do not have defaults, so it is easier to copy this file
# and modify what you need rather than creating a new options file
# from scratch. This file is in Python syntax, but you don't need to
# know Python to modify it. But if you *do* know Python, then you
# will be happy to know that you can use arbitary Python constructs to
# do fancy configuration tricks.
#
# But please be aware of the following:
#
# * In many places, leading whitespace is significant in Python (it is
# used instead of curly braces to group statements together).
# Therefore, if you don't know what you are doing, it is best to
# leave the whitespace as it is.
#
# * In normal strings, Python treats a backslash ("\") as an escape
# character. Therefore, if you want to specify a string that
# contains a backslash, you need either to escape the backslash with
# another backslash ("\\"), or use a "raw string", as in one if the
# following equivalent examples:
#
# ctx.sort_executable = 'c:\\windows\\system32\\sort.exe'
# ctx.sort_executable = r'c:\windows\system32\sort.exe'
#
# See http://docs.python.org/tutorial/introduction.html#strings for
# more information.
#
# Two identifiers will have been defined before this file is executed,
# and can be used freely within this file:
#
# ctx -- a Ctx object (see cvs2svn_lib/context.py), which holds
# many configuration options
#
# run_options -- an instance of the GitRunOptions class (see
# cvs2svn_lib/git_run_options.py), which holds some variables
# governing how cvs2git is run
# Import some modules that are used in setting the options:
import re
from cvs2svn_lib import config
from cvs2svn_lib import changeset_database
from cvs2svn_lib.common import CVSTextDecoder
from cvs2svn_lib.log import Log
from cvs2svn_lib.project import Project
from cvs2svn_lib.git_revision_recorder import GitRevisionRecorder
from cvs2svn_lib.git_output_option import GitRevisionInlineWriter
from cvs2svn_lib.git_output_option import GitOutputOption
from cvs2svn_lib.revision_manager import NullRevisionRecorder
from cvs2svn_lib.revision_manager import NullRevisionExcluder
from cvs2svn_lib.rcs_revision_manager import RCSRevisionReader
from cvs2svn_lib.cvs_revision_manager import CVSRevisionReader
from cvs2svn_lib.checkout_internal import InternalRevisionRecorder
from cvs2svn_lib.checkout_internal import InternalRevisionExcluder
from cvs2svn_lib.checkout_internal import InternalRevisionReader
from cvs2svn_lib.symbol_strategy import AllBranchRule
from cvs2svn_lib.symbol_strategy import AllTagRule
from cvs2svn_lib.symbol_strategy import BranchIfCommitsRule
from cvs2svn_lib.symbol_strategy import ExcludeRegexpStrategyRule
from cvs2svn_lib.symbol_strategy import ForceBranchRegexpStrategyRule
from cvs2svn_lib.symbol_strategy import ForceTagRegexpStrategyRule
from cvs2svn_lib.symbol_strategy import ExcludeTrivialImportBranchRule
from cvs2svn_lib.symbol_strategy import ExcludeVendorBranchRule
from cvs2svn_lib.symbol_strategy import HeuristicStrategyRule
from cvs2svn_lib.symbol_strategy import UnambiguousUsageRule
from cvs2svn_lib.symbol_strategy import HeuristicPreferredParentRule
from cvs2svn_lib.symbol_strategy import SymbolHintsFileRule
from cvs2svn_lib.symbol_transform import ReplaceSubstringsSymbolTransform
from cvs2svn_lib.symbol_transform import RegexpSymbolTransform
from cvs2svn_lib.symbol_transform import IgnoreSymbolTransform
from cvs2svn_lib.symbol_transform import NormalizePathsSymbolTransform
from cvs2svn_lib.property_setters import AutoPropsPropertySetter
from cvs2svn_lib.property_setters import CVSBinaryFileDefaultMimeTypeSetter
from cvs2svn_lib.property_setters import CVSBinaryFileEOLStyleSetter
from cvs2svn_lib.property_setters import CVSRevisionNumberSetter
from cvs2svn_lib.property_setters import DefaultEOLStyleSetter
from cvs2svn_lib.property_setters import EOLStyleFromMimeTypeSetter
from cvs2svn_lib.property_setters import ExecutablePropertySetter
from cvs2svn_lib.property_setters import KeywordsPropertySetter
from cvs2svn_lib.property_setters import MimeMapper
from cvs2svn_lib.property_setters import SVNBinaryFileKeywordsPropertySetter
# To choose the level of logging output, uncomment one of the
# following lines:
#Log().log_level = Log.WARN
#Log().log_level = Log.QUIET
Log().log_level = Log.NORMAL
#Log().log_level = Log.VERBOSE
#Log().log_level = Log.DEBUG
# cvs2hg reads the contents of file revisions during OutputPass, so no
# revision recorder is needed:
ctx.revision_recorder = NullRevisionRecorder()
# cvs2hg does not need to keep track of what revisions will be
# excluded, so leave this option unchanged:
ctx.revision_excluder = NullRevisionExcluder()
# cvs2hg's revision reader is set via the GitOutputOption constructor,
# so leave this option set to None.
ctx.revision_reader = None
# Set the name (and optionally the path) of some other executables
# required by cvs2svn:
ctx.sort_executable = r'sort'
# Change the following line to True if the conversion should only
# include the trunk of the repository (i.e., all branches and tags
# should be omitted from the conversion):
ctx.trunk_only = False
# How to convert CVS author names, log messages, and filenames to
# Unicode. The first argument to CVSTextDecoder is a list of encoders
# that are tried in order in 'strict' mode until one of them succeeds.
# If none of those succeeds, then fallback_encoder (if it is
# specified) is used in lossy 'replace' mode. Setting a fallback
# encoder ensures that the encoder always succeeds, but it can cause
# information loss.
ctx.cvs_author_decoder = CVSTextDecoder(
[
#'latin1',
#'utf8',
'ascii',
],
#fallback_encoding='ascii'
)
ctx.cvs_log_decoder = CVSTextDecoder(
[
#'latin1',
#'utf8',
'ascii',
],
#fallback_encoding='ascii'
)
# You might want to be especially strict when converting filenames to
# Unicode (e.g., maybe not specify a fallback_encoding).
ctx.cvs_filename_decoder = CVSTextDecoder(
[
#'latin1',
#'utf8',
'ascii',
],
#fallback_encoding='ascii'
)
# Template for the commit message to be used for initial project
# commits.
ctx.initial_project_commit_message = (
'Standard project directories initialized by cvs2svn.'
)
# Template for the commit message to be used for post commits, in
# which modifications to a vendor branch are copied back to trunk.
# This message can use '%(revnum)d' to include the SVN revision number
# of the revision that included the change to the vendor branch
# (admittedly rather pointless in a cvs2hg conversion).
ctx.post_commit_message = (
'This commit was generated by cvs2svn to track changes on a CVS '
'vendor branch.'
)
# Template for the commit message to be used for commits in which
# symbols are created. This message can use '%(symbol_type)d' to
# include the type of the symbol ('branch' or 'tag') or
# '%(symbol_name)' to include the name of the symbol.
ctx.symbol_commit_message = (
"This commit was manufactured by cvs2svn to create %(symbol_type)s "
"'%(symbol_name)s'."
)
# Some CVS clients for MacOS store resource fork data into CVS along
# with the file contents itself by wrapping it all up in a container
# format called "AppleSingle". Subversion currently does not support
# MacOS resource forks. Nevertheless, sometimes the resource fork
# information is not necessary and can be discarded. Set the
# following option to True if you would like cvs2svn to identify files
# whose contents are encoded in AppleSingle format, and discard all
# but the data fork for such files before committing them to
# Subversion. (Please note that AppleSingle contents are identified
# by the AppleSingle magic number as the first four bytes of the file.
# This check is not failproof, so only set this option if you think
# you need it.)
ctx.decode_apple_single = False
# This option can be set to the name of a filename to which are stored
# statistics and conversion decisions about the CVS symbols.
ctx.symbol_info_filename = None
#ctx.symbol_info_filename = 'symbol-info.txt'
# cvs2svn uses "symbol strategy rules" to help decide how to handle
# CVS symbols. The rules in a project's symbol_strategy_rules are
# applied in order, and each rule is allowed to modify the symbol.
# The result (after each of the rules has been applied) is used for
# the conversion.
#
# 1. A CVS symbol might be used as a tag in one file and as a branch
# in another file. cvs2svn has to decide whether to convert such a
# symbol as a tag or as a branch. cvs2svn uses a series of
# heuristic rules to decide how to convert a symbol. The user can
# override the default rules for specific symbols or symbols
# matching regular expressions.
#
# 2. cvs2svn is also capable of excluding symbols from the conversion
# (provided no other symbols depend on them.
#
# 3. CVS does not record unambiguously the line of development from
# which a symbol sprouted. cvs2svn uses a heuristic to choose a
# symbol's "preferred parents".
#
# The standard branch/tag/exclude StrategyRules do not change a symbol
# that has already been processed by an earlier rule, so in effect the
# first matching rule is the one that is used.
global_symbol_strategy_rules = [
# It is possible to specify manually exactly how symbols should be
# converted and what line of development should be used as the
# preferred parent. To do so, create a file containing the symbol
# hints and enable the following option.
#
# The format of the hints file is described in the documentation
# for the --symbol-hints command-line option. The file output by
# the --write-symbol-info (i.e., ctx.symbol_info_filename) option
# is in the same format. The simplest way to use this option is
# to run the conversion through CollateSymbolsPass with
# --write-symbol-info option, copy the symbol info and edit it to
# create a hints file, then re-start the conversion at
# CollateSymbolsPass with this option enabled.
#SymbolHintsFileRule('symbol-hints.txt'),
# To force all symbols matching a regular expression to be
# converted as branches, add rules like the following:
#ForceBranchRegexpStrategyRule(r'branch.*'),
# To force all symbols matching a regular expression to be
# converted as tags, add rules like the following:
#ForceTagRegexpStrategyRule(r'tag.*'),
# To force all symbols matching a regular expression to be
# excluded from the conversion, add rules like the following:
#ExcludeRegexpStrategyRule(r'unknown-.*'),
# Sometimes people use "cvs import" to get their own source code
# into CVS. This practice creates a vendor branch 1.1.1 and
# imports the code onto the vendor branch as 1.1.1.1, then copies
# the same content to the trunk as version 1.1. Normally, such
# vendor branches are useless and they complicate the SVN history
# unnecessarily. The following rule excludes any branches that
# only existed as a vendor branch with a single import (leaving
# only the 1.1 revision). If you want to retain such branches,
# comment out the following line. (Please note that this rule
# does not exclude vendor *tags*, as they are not so easy to
# identify.)
ExcludeTrivialImportBranchRule(),
# To exclude all vendor branches (branches that had "cvs import"s
# on them bug no other kinds of commits), uncomment the following
# line:
#ExcludeVendorBranchRule(),
# Usually you want this rule, to convert unambiguous symbols
# (symbols that were only ever used as tags or only ever used as
# branches in CVS) the same way they were used in CVS:
UnambiguousUsageRule(),
# If there was ever a commit on a symbol, then it cannot be
# converted as a tag. This rule causes all such symbols to be
# converted as branches. If you would like to resolve such
# ambiguities manually, comment out the following line:
BranchIfCommitsRule(),
# Last in the list can be a catch-all rule that is used for
# symbols that were not matched by any of the more specific rules
# above. (Assuming that BranchIfCommitsRule() was included above,
# then the symbols that are still indeterminate at this point can
# sensibly be converted as branches or tags.) Include at most one
# of these lines. If none of these catch-all rules are included,
# then the presence of any ambiguous symbols (that haven't been
# disambiguated above) is an error:
# Convert ambiguous symbols based on whether they were used more
# often as branches or as tags:
HeuristicStrategyRule(),
# Convert all ambiguous symbols as branches:
#AllBranchRule(),
# Convert all ambiguous symbols as tags:
#AllTagRule(),
# The last rule is here to choose the preferred parent of branches
# and tags, that is, the line of development from which the symbol
# sprouts.
HeuristicPreferredParentRule(),
]
# Specify a username to be used for commits for which CVS doesn't
# record the original author (for example, the creation of a branch).
# This should be a simple (unix-style) username, but it can be
# translated into a hg-style name by the author_transforms map.
ctx.username = 'cvs2svn'
# ctx.svn_property_setters contains a list of rules used to set the
# svn properties on files in the converted archive. For each file,
# the rules are tried one by one. Any rule can add or suppress one or
# more svn properties. Typically the rules will not overwrite
# properties set by a previous rule (though they are free to do so).
#
# Obviously, SVN properties per se are not interesting for a cvs2hg
# conversion, but some of these properties have side-effects that do
# affect the hg output. FIXME: Document this in more detail.
ctx.svn_property_setters.extend([
# To read auto-props rules from a file, uncomment the following line
# and specify a filename. The boolean argument specifies whether
# case should be ignored when matching filenames to the filename
# patterns found in the auto-props file:
#AutoPropsPropertySetter(
# r'/home/username/.subversion/config',
# ignore_case=True,
# ),
# To read mime types from a file, uncomment the following line and
# specify a filename:
#MimeMapper(r'/etc/mime.types'),
# Omit the svn:eol-style property from any files that are listed
# as binary (i.e., mode '-kb') in CVS:
CVSBinaryFileEOLStyleSetter(),
# If the file is binary and its svn:mime-type property is not yet
# set, set svn:mime-type to 'application/octet-stream'.
CVSBinaryFileDefaultMimeTypeSetter(),
# To try to determine the eol-style from the mime type, uncomment
# the following line:
#EOLStyleFromMimeTypeSetter(),
# Choose one of the following lines to set the default
# svn:eol-style if none of the above rules applied. The argument
# is the svn:eol-style that should be applied, or None if no
# svn:eol-style should be set (i.e., the file should be treated as
# binary).
#
# The default is to treat all files as binary unless one of the
# previous rules has determined otherwise, because this is the
# safest approach. However, if you have been diligent about
# marking binary files with -kb in CVS and/or you have used the
# above rules to definitely mark binary files as binary, then you
# might prefer to use 'native' as the default, as it is usually
# the most convenient setting for text files. Other possible
# options: 'CRLF', 'CR', 'LF'.
DefaultEOLStyleSetter(None),
#DefaultEOLStyleSetter('native'),
# Prevent svn:keywords from being set on files that have
# svn:eol-style unset.
SVNBinaryFileKeywordsPropertySetter(),
# If svn:keywords has not been set yet, set it based on the file's
# CVS mode:
KeywordsPropertySetter(config.SVN_KEYWORDS_VALUE),
# Set the svn:executable flag on any files that are marked in CVS as
# being executable:
ExecutablePropertySetter(),
])
# The directory to use for temporary files:
ctx.tmpdir = r'cvs2svn-tmp'
# To skip the cleanup of temporary files, uncomment the following
# option:
#ctx.skip_cleanup = True
# In CVS, it is perfectly possible to make a single commit that
# affects more than one project or more than one branch of a single
# project. Subversion also allows such commits. Therefore, by
# default, when cvs2svn sees what looks like a cross-project or
# cross-branch CVS commit, it converts it into a
# cross-project/cross-branch Subversion commit.
#
# However, other tools and SCMs have trouble representing
# cross-project or cross-branch commits. (For example, Trac's Revtree
# plugin, http://www.trac-hacks.org/wiki/RevtreePlugin is confused by
# such commits.) Therefore, we provide the following two options to
# allow cross-project/cross-branch commits to be suppressed.
# cvs2hg only supports single-project conversions (multiple-project
# conversions wouldn't really make sense for hg anyway). So this
# option must be set to False:
ctx.cross_project_commits = False
# Mercurial itself doesn't allow commits that affect more than one
# branch, so this option must be set to False:
ctx.cross_branch_commits = False
# cvs2hg does not yet handle translating .cvsignore files into
# .hgignore content, so by default, the .cvsignore files are included
# inthe conversion output. If you would like to omit the .cvsignore
# files from the output, set this option to False:
ctx.keep_cvsignore = True
# By default, it is a fatal error for a CVS ",v" file to appear both
# inside and outside of an "Attic" subdirectory (this should never
# happen, but frequently occurs due to botched repository
# administration). If you would like to retain both versions of such
# files, change the following option to True, and the attic version of
# the file will be written to a subdirectory called "Attic" in the
# output repository:
ctx.retain_conflicting_attic_files = False
# CVS uses unix login names as author names whereas "hg fastimport"
# format requires author names to be of the form "foo <bar>". The
# default is to set the author to "cvsauthor <cvsauthor>".
# author_transforms can be used to map cvsauthor names (e.g.,
# "jrandom") to a true name and email address (e.g., "J. Random
# <jrandom@example.com>" for the example shown). All values should be
# either Unicode strings (i.e., with "u" as a prefix) or 8-bit strings
# in the utf-8 encoding. Please substitute your own project's
# usernames here to use with the author_transforms option of
# GitOutputOption below.
author_transforms={
'jrandom' : ('J. Random', 'jrandom@example.com'),
'mhagger' : ('Michael Haggerty', 'mhagger@alum.mit.edu'),
'brane' : (u'Branko Čibej', 'brane@xbc.nu'),
'ringstrom' : ('Tobias Ringström', 'tobias@ringstrom.mine.nu'),
'dionisos' : (u'Erik Hülsmann', 'e.huelsmann@gmx.net'),
# This one will be used for commits for which CVS doesn't record
# the original author, as explained above.
'cvs2svn' : ('cvs2svn', 'admin@example.com'),
}
# This is the main option that causes cvs2svn to output to an "hg
# fastimport"-format dumpfile rather than to Subversion:
ctx.output_option = GitOutputOption(
# The file in which to write the "hg fastimport" stream that
# contains the changesets and branch/tag information:
'cvs2svn-tmp/hg-dump.dat',
# Write the file contents inline in the "hg fastimport" stream,
# rather than using a separate blobs file (which "hg fastimport"
# cannot handle).
revision_writer=GitRevisionInlineWriter(
# cvs2hg uses either RCS's "co" command or CVS's "cvs co -p" to
# extract the content of file revisions. Here you can choose
# whether to use RCS (faster, but fails in some rare
# circumstances) or CVS (much slower, but more reliable).
#RCSRevisionReader(co_executable=r'co')
CVSRevisionReader(cvs_executable=r'cvs')
),
# This option limits the number of revisions that are merged with
# the main parent in any commit. For Mercurial output, this
# should be set to 1 (see the comment at the top of this file for
# the reason).
max_merges=1,
# Optional map from CVS author names to hg author names:
author_transforms=author_transforms,
)
# Change this option to True to turn on profiling of cvs2svn (for
# debugging purposes):
run_options.profiling = False
# Should CVSItem -> Changeset database files be memory mapped? In
# some tests, using memory mapping speeded up the overall conversion
# by about 5%. But this option can cause the conversion to fail with
# an out of memory error if the conversion computer runs out of
# virtual address space (e.g., when running a very large conversion on
# a 32-bit operating system). Therefore it is disabled by default.
# Uncomment the following line to allow these database files to be
# memory mapped.
#changeset_database.use_mmap_for_cvs_item_to_changeset_table = True
# Now set the project to be converted to hg. cvs2hg only supports
# single-project conversions, so this method must only be called once:
run_options.set_project(
# The filesystem path to the part of the CVS repository (*not* a
# CVS working copy) that should be converted. This may be a
# subdirectory (i.e., a module) within a larger CVS repository.
r'test-data/main-cvsrepos',
# A list of symbol transformations that can be used to rename
# symbols in this project.
symbol_transforms=[
# Use IgnoreSymbolTransforms like the following to completely
# ignore symbols matching a regular expression when parsing
# the CVS repository, for example to avoid warnings about
# branches with two names and to choose the preferred name.
# It is *not* recommended to use this instead of
# ExcludeRegexpStrategyRule; though more efficient,
# IgnoreSymbolTransforms are less flexible and don't exclude
# branches correctly. The argument is a Python-style regular
# expression that has to match the *whole* CVS symbol name:
#IgnoreSymbolTransform(r'nightly-build-tag-.*')
# RegexpSymbolTransforms transform symbols textually using a
# regular expression. The first argument is a Python regular
# expression pattern and the second is a replacement pattern.
# The pattern is matched against each symbol name. If it
# matches the whole symbol name, then the symbol name is
# replaced with the corresponding replacement text. The
# replacement can include substitution patterns (e.g., r'\1'
# or r'\g<name>'). Typically you will want to use raw strings
# (strings with a preceding 'r', like shown in the examples)
# for the regexp and its replacement to avoid backslash
# substitution within those strings.
#RegexpSymbolTransform(r'release-(\d+)_(\d+)',
# r'release-\1.\2'),
#RegexpSymbolTransform(r'release-(\d+)_(\d+)_(\d+)',
# r'release-\1.\2.\3'),
# Simple 1:1 character replacements can also be done. The
# following transform, which converts backslashes into forward
# slashes, should usually be included:
ReplaceSubstringsSymbolTransform('\\','/'),
# This last rule eliminates leading, trailing, and repeated
# slashes within the output symbol names:
NormalizePathsSymbolTransform(),
],
# See the definition of global_symbol_strategy_rules above for a
# description of this option:
symbol_strategy_rules=global_symbol_strategy_rules,
)
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