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cvs2gitdump.py and cvs2svndump.py can run on Python 3 now. But "rcsparse" doesn't support Python 3 yet. For OpenBSD, use py3-rcsparse-20151027p1 package.

cvs2gitdump

A small python script which imports cvs tree into git repository.

Pros:

  • Small footprint
  • Supports incremental import. It's very fast
  • Converts tags on HEAD
  • Everything is done in memory

Cons:

  • Doesn't convert any branches

An alternative to

Prerequisite:

Usage

usage: cvs2gitdump [-ah] [-z fuzz] [-e email_domain] [-E log_encodings]
    [-k rcs_keywords] [-b branch] [-m module] [-l last_revision]
cvsroot [git_dir]

Options

  • -a

    As the default the script will only use commits 10 minutes older than the most recent commit because recent commits may not stable if the repository is changing. This option will change this behavior, it will use the entire commits.

  • -b branch

    The branch name of the git repository which is used for incremental import.

  • -h

    Show the usage.

  • -z fuzz

    When the script collects changesets from CVS repository, commits by the same author, using the same log message and within fuzz seconds are collected into the same changeset. 300 (seconds) is used as the default.

  • -e email_domain

    Append the email domain to the author.

  • -E log_encodings

    Specify the character encodings used for decoding CVS logs. Multiple encodings can be specified by spearating with ','. Specified encodings are used in order for decoding the log. Default is 'utf-8,iso-8859-1'

  • -k rcs_keywords

    Add an extra RCS keyword which are used by CVS. The script substitutes the RCS keyword by the same way as $Id$.

  • -m module

    Specify the target module name in the target cvsroot. The script will dump only the directory specified by this option.

  • -l last_rev

    Specify the last revision which is used for finding the last change set in the CVS tree. Specify in SHA-1.

  • cvsroot

    The target cvsroot or the sub directory of the cvsroot. The script treats this directory as the root directory.

  • git_dir

    The git repository. Specify this for incremental import.

Example

First import:

% git init --bare /git/openbsd.git
% python cvs2gitdump.py -k OpenBSD -e openbsd.org /cvs/openbsd/src > openbsd.dump
% git --git-dir /git/openbsd.git fast-import < openbsd.dump

Periodic import:

% doas reposync
% python cvs2gitdump.py -k OpenBSD -e openbsd.org /cvs/openbsd/src /git/openbsd.git > openbsd2.dump
% git --git-dir /git/openbsd.git fast-import < openbsd2.dump

cvs2svndump

A small python script which imports cvs tree into subversion repository.

Pros:

  • Small footprint
  • Supports incremental import is supported. It's very fast
  • Everythings is done in memory

Cons:

  • Doesn't convert tags and branches

Prerequirement:

  • rcsparse
  • svn (Python interface for subversion)

Usage

usage: cvs2svndump [-ah] [-z fuzz] [-e email_domain] [-E log_encodings]
[-k rcs_keywords] [-m module] cvsroot [svnroot svnpath]]

Options

  • -a

    As the default the script will only use commits 10 minutes older than the most recent commit because recent commits may not stable if the repository is changing. This option will change this behavior, it will use the entire commits.

  • -h

    Show the usage.

  • -z fuzz

    When the script collects changesets from CVS repository, commits by the same author, using the same log message and within fuzz seconds are collected into the same changeset. 300 (seconds) is used as the default.

  • -e email_domain

    Append the email domain to the author.

  • -E log_encodings

    Specify the character encodings used for decoding CVS logs. Multiple encodings can be specified by spearating with ',' and they are used in order. Default is 'utf-8,iso-8859-1'

  • -k rcs_keywords

    Add an extra RCS keyword which are used by CVS. The script substitutes the RCS keyword by the same way as $Id$.

  • -m module

    Specify the target module name in the target cvsroot. The script will dump only the directory specified by this option.

  • cvsroot

    The target cvsroot or the sub directory of the cvsroot. The script treats this directory as the root directory.

  • svn_dir svn_path

    Specify the svn repository and path. Specify these for incremental import. When the script searches the last commit, it excepts the commits whose author are 'svnadmin'. Use 'svnadmin' for manually fixing.

Example

First import:

% python cvs2svndump.py -k OpenBSD /cvs/openbsd/src > openbsd.dump
% svnadmin create /svnrepo
% svn mkdir --parents -m 'mkdir /vendor/openbsd/head/src' file:///svnrepo/vendor/openbsd/head/src
% svnadmin load --parent-dir /vendor/openbsd/head/src /svnrepo < openbsd.dump

Periodic import:

% doas cvsync
% python cvs2svndump.py -k OpenBSD /cvs/openbsd/src file:///svnrepo vendor/openbsd/head/src > openbsd2.dump
% svnadmin load /svnrepo < openbsd2.dump

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python scripts which import cvs tree into git or subversion repository

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