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git-cvsimport.txt
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git-cvsimport.txt
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git-cvsimport(1)
================
NAME
----
git-cvsimport - Salvage your data out of another SCM people love to hate
SYNOPSIS
--------
[verse]
'git-cvsimport' [-o <branch-for-HEAD>] [-h] [-v] [-d <CVSROOT>]
[-A <author-conv-file>] [-p <options-for-cvsps>] [-P <file>]
[-C <git_repository>] [-z <fuzz>] [-i] [-k] [-u] [-s <subst>]
[-a] [-m] [-M <regex>] [-S <regex>] [-L <commitlimit>]
[-r <remote>] [<CVS_module>]
DESCRIPTION
-----------
Imports a CVS repository into git. It will either create a new
repository, or incrementally import into an existing one.
Splitting the CVS log into patch sets is done by 'cvsps'.
At least version 2.1 is required.
You should *never* do any work of your own on the branches that are
created by git-cvsimport. By default initial import will create and populate a
"master" branch from the CVS repository's main branch which you're free
to work with; after that, you need to 'git merge' incremental imports, or
any CVS branches, yourself. It is advisable to specify a named remote via
-r to separate and protect the incoming branches.
OPTIONS
-------
-v::
Verbosity: let 'cvsimport' report what it is doing.
-d <CVSROOT>::
The root of the CVS archive. May be local (a simple path) or remote;
currently, only the :local:, :ext: and :pserver: access methods
are supported. If not given, git-cvsimport will try to read it
from `CVS/Root`. If no such file exists, it checks for the
`CVSROOT` environment variable.
<CVS_module>::
The CVS module you want to import. Relative to <CVSROOT>.
If not given, git-cvsimport tries to read it from
`CVS/Repository`.
-C <target-dir>::
The git repository to import to. If the directory doesn't
exist, it will be created. Default is the current directory.
-r <remote>::
The git remote to import this CVS repository into.
Moves all CVS branches into remotes/<remote>/<branch>
akin to the git-clone --use-separate-remote option.
-o <branch-for-HEAD>::
When no remote is specified (via -r) the 'HEAD' branch
from CVS is imported to the 'origin' branch within the git
repository, as 'HEAD' already has a special meaning for git.
When a remote is specified the 'HEAD' branch is named
remotes/<remote>/master mirroring git-clone behaviour.
Use this option if you want to import into a different
branch.
+
Use '-o master' for continuing an import that was initially done by
the old cvs2git tool.
-i::
Import-only: don't perform a checkout after importing. This option
ensures the working directory and index remain untouched and will
not create them if they do not exist.
-k::
Kill keywords: will extract files with '-kk' from the CVS archive
to avoid noisy changesets. Highly recommended, but off by default
to preserve compatibility with early imported trees.
-u::
Convert underscores in tag and branch names to dots.
-s <subst>::
Substitute the character "/" in branch names with <subst>
-p <options-for-cvsps>::
Additional options for cvsps.
The options '-u' and '-A' are implicit and should not be used here.
+
If you need to pass multiple options, separate them with a comma.
-z <fuzz>::
Pass the timestamp fuzz factor to cvsps, in seconds. If unset,
cvsps defaults to 300s.
-P <cvsps-output-file>::
Instead of calling cvsps, read the provided cvsps output file. Useful
for debugging or when cvsps is being handled outside cvsimport.
-m::
Attempt to detect merges based on the commit message. This option
will enable default regexes that try to capture the name source
branch name from the commit message.
-M <regex>::
Attempt to detect merges based on the commit message with a custom
regex. It can be used with '-m' to also see the default regexes.
You must escape forward slashes.
-S <regex>::
Skip paths matching the regex.
-a::
Import all commits, including recent ones. cvsimport by default
skips commits that have a timestamp less than 10 minutes ago.
-L <limit>::
Limit the number of commits imported. Workaround for cases where
cvsimport leaks memory.
-A <author-conv-file>::
CVS by default uses the Unix username when writing its
commit logs. Using this option and an author-conv-file
in this format
+
---------
exon=Andreas Ericsson <ae@op5.se>
spawn=Simon Pawn <spawn@frog-pond.org>
---------
+
git-cvsimport will make it appear as those authors had
their GIT_AUTHOR_NAME and GIT_AUTHOR_EMAIL set properly
all along.
+
For convenience, this data is saved to `$GIT_DIR/cvs-authors`
each time the '-A' option is provided and read from that same
file each time git-cvsimport is run.
+
It is not recommended to use this feature if you intend to
export changes back to CVS again later with
gitlink:git-cvsexportcommit[1].
-h::
Print a short usage message and exit.
OUTPUT
------
If '-v' is specified, the script reports what it is doing.
Otherwise, success is indicated the Unix way, i.e. by simply exiting with
a zero exit status.
Author
------
Written by Matthias Urlichs <smurf@smurf.noris.de>, with help from
various participants of the git-list <git@vger.kernel.org>.
Documentation
--------------
Documentation by Matthias Urlichs <smurf@smurf.noris.de>.
GIT
---
Part of the gitlink:git[7] suite