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Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]306</style>
307<title>git-cvsimport(1)</title>
308</head>
309<body>
310<div id="header">
311<h1>
312git-cvsimport(1) Manual Page
313</h1>
314<h2>NAME</h2>
315<div class="sectionbody">
316<p>git-cvsimport -
Junio C Hamano7c73c662007-01-19 00:37:50[diff] [blame]317 Salvage your data out of another SCM people love to hate
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]318</p>
319</div>
320</div>
321<h2>SYNOPSIS</h2>
322<div class="sectionbody">
Junio C Hamano235a91e2006-01-07 01:13:58[diff] [blame]323<div class="verseblock">
Junio C Hamanofce7c7e2008-07-02 03:06:38[diff] [blame]324<div class="content"><em>git cvsimport</em> [-o &lt;branch-for-HEAD&gt;] [-h] [-v] [-d &lt;CVSROOT&gt;]
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]325 [-A &lt;author-conv-file&gt;] [-p &lt;options-for-cvsps&gt;] [-P &lt;file&gt;]
326 [-C &lt;git_repository&gt;] [-z &lt;fuzz&gt;] [-i] [-k] [-u] [-s &lt;subst&gt;]
327 [-a] [-m] [-M &lt;regex&gt;] [-S &lt;regex&gt;] [-L &lt;commitlimit&gt;]
Junio C Hamano9e52d4e2007-06-13 08:29:33[diff] [blame]328 [-r &lt;remote&gt;] [&lt;CVS_module&gt;]</div></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]329</div>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]330<h2 id="_description">DESCRIPTION</h2>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]331<div class="sectionbody">
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]332<div class="para"><p>Imports a CVS repository into git. It will either create a new
333repository, or incrementally import into an existing one.</p></div>
334<div class="para"><p>Splitting the CVS log into patch sets is done by <em>cvsps</em>.
335At least version 2.1 is required.</p></div>
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]336<div class="para"><p><strong>WARNING:</strong> for certain situations the import leads to incorrect results.
337Please see the section <a href="#issues">ISSUES</a> for further reference.</p></div>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]338<div class="para"><p>You should <strong>never</strong> do any work of your own on the branches that are
339created by <em>git-cvsimport</em>. By default initial import will create and populate a
Junio C Hamano04a32862006-03-08 01:42:43[diff] [blame]340"master" branch from the CVS repository's main branch which you're free
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]341to work with; after that, you need to <em>git-merge</em> incremental imports, or
Junio C Hamano9e52d4e2007-06-13 08:29:33[diff] [blame]342any CVS branches, yourself. It is advisable to specify a named remote via
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]343-r to separate and protect the incoming branches.</p></div>
344<div class="para"><p>If you intend to set up a shared public repository that all developers can
345read/write, or if you want to use <a href="git-cvsserver.html">git-cvsserver(1)</a>, then you
346probably want to make a bare clone of the imported repository,
347and use the clone as the shared repository.
348See <a href="gitcvs-migration.html">gitcvs-migration(7)</a>.</p></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]349</div>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]350<h2 id="_options">OPTIONS</h2>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]351<div class="sectionbody">
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]352<div class="vlist"><dl>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]353<dt>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]354-v
355</dt>
356<dd>
357<p>
358 Verbosity: let <em>cvsimport</em> report what it is doing.
359</p>
360</dd>
361<dt>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]362-d &lt;CVSROOT&gt;
363</dt>
364<dd>
365<p>
366 The root of the CVS archive. May be local (a simple path) or remote;
367 currently, only the :local:, :ext: and :pserver: access methods
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]368 are supported. If not given, <em>git-cvsimport</em> will try to read it
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]369 from <tt>CVS/Root</tt>. If no such file exists, it checks for the
370 <tt>CVSROOT</tt> environment variable.
371</p>
372</dd>
373<dt>
374&lt;CVS_module&gt;
375</dt>
376<dd>
377<p>
378 The CVS module you want to import. Relative to &lt;CVSROOT&gt;.
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]379 If not given, <em>git-cvsimport</em> tries to read it from
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]380 <tt>CVS/Repository</tt>.
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]381</p>
382</dd>
383<dt>
384-C &lt;target-dir&gt;
385</dt>
386<dd>
387<p>
388 The git repository to import to. If the directory doesn't
389 exist, it will be created. Default is the current directory.
390</p>
391</dd>
392<dt>
Junio C Hamano9e52d4e2007-06-13 08:29:33[diff] [blame]393-r &lt;remote&gt;
394</dt>
395<dd>
396<p>
397 The git remote to import this CVS repository into.
398 Moves all CVS branches into remotes/&lt;remote&gt;/&lt;branch&gt;
Junio C Hamano1de75722009-03-26 08:39:38[diff] [blame]399 akin to the way <em>git-clone</em> uses <em>origin</em> by default.
Junio C Hamano9e52d4e2007-06-13 08:29:33[diff] [blame]400</p>
401</dd>
402<dt>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]403-o &lt;branch-for-HEAD&gt;
404</dt>
405<dd>
406<p>
Junio C Hamano9e52d4e2007-06-13 08:29:33[diff] [blame]407 When no remote is specified (via -r) the <em>HEAD</em> branch
408 from CVS is imported to the <em>origin</em> branch within the git
409 repository, as <em>HEAD</em> already has a special meaning for git.
410 When a remote is specified the <em>HEAD</em> branch is named
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]411 remotes/&lt;remote&gt;/master mirroring <em>git-clone</em> behaviour.
Junio C Hamano9e52d4e2007-06-13 08:29:33[diff] [blame]412 Use this option if you want to import into a different
413 branch.
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]414</p>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]415<div class="para"><p>Use <em>-o master</em> for continuing an import that was initially done by
416the old cvs2git tool.</p></div>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]417</dd>
418<dt>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]419-i
420</dt>
421<dd>
422<p>
423 Import-only: don't perform a checkout after importing. This option
424 ensures the working directory and index remain untouched and will
425 not create them if they do not exist.
426</p>
427</dd>
428<dt>
429-k
430</dt>
431<dd>
432<p>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]433 Kill keywords: will extract files with <em>-kk</em> from the CVS archive
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]434 to avoid noisy changesets. Highly recommended, but off by default
435 to preserve compatibility with early imported trees.
436</p>
437</dd>
438<dt>
439-u
440</dt>
441<dd>
442<p>
443 Convert underscores in tag and branch names to dots.
444</p>
445</dd>
446<dt>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]447-s &lt;subst&gt;
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]448</dt>
449<dd>
450<p>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]451 Substitute the character "/" in branch names with &lt;subst&gt;
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]452</p>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]453</dd>
454<dt>
455-p &lt;options-for-cvsps&gt;
456</dt>
457<dd>
458<p>
459 Additional options for cvsps.
460 The options <em>-u</em> and <em>-A</em> are implicit and should not be used here.
461</p>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]462<div class="para"><p>If you need to pass multiple options, separate them with a comma.</p></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]463</dd>
464<dt>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]465-z &lt;fuzz&gt;
466</dt>
467<dd>
468<p>
469 Pass the timestamp fuzz factor to cvsps, in seconds. If unset,
470 cvsps defaults to 300s.
471</p>
472</dd>
473<dt>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]474-P &lt;cvsps-output-file&gt;
475</dt>
476<dd>
477<p>
478 Instead of calling cvsps, read the provided cvsps output file. Useful
479 for debugging or when cvsps is being handled outside cvsimport.
480</p>
481</dd>
482<dt>
483-m
484</dt>
485<dd>
486<p>
487 Attempt to detect merges based on the commit message. This option
Junio C Hamano4f1d8c42008-03-03 02:01:16[diff] [blame]488 will enable default regexes that try to capture the source
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]489 branch name from the commit message.
490</p>
491</dd>
492<dt>
493-M &lt;regex&gt;
494</dt>
495<dd>
496<p>
497 Attempt to detect merges based on the commit message with a custom
Junio C Hamanoefe3c632008-02-14 00:51:31[diff] [blame]498 regex. It can be used with <em>-m</em> to enable the default regexes
499 as well. You must escape forward slashes.
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]500</p>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]501<div class="para"><p>The regex must capture the source branch name in $1.</p></div>
502<div class="para"><p>This option can be used several times to provide several detection regexes.</p></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]503</dd>
504<dt>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]505-S &lt;regex&gt;
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]506</dt>
507<dd>
508<p>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]509 Skip paths matching the regex.
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]510</p>
511</dd>
Junio C Hamano02d6fa52006-01-16 08:23:23[diff] [blame]512<dt>
Junio C Hamanod1204f02007-01-08 11:18:48[diff] [blame]513-a
514</dt>
515<dd>
516<p>
517 Import all commits, including recent ones. cvsimport by default
518 skips commits that have a timestamp less than 10 minutes ago.
519</p>
520</dd>
521<dt>
Junio C Hamanod1204f02007-01-08 11:18:48[diff] [blame]522-L &lt;limit&gt;
523</dt>
524<dd>
525<p>
526 Limit the number of commits imported. Workaround for cases where
527 cvsimport leaks memory.
528</p>
529</dd>
Junio C Hamanodb911ee2007-02-28 08:13:52[diff] [blame]530<dt>
531-A &lt;author-conv-file&gt;
532</dt>
533<dd>
534<p>
535 CVS by default uses the Unix username when writing its
536 commit logs. Using this option and an author-conv-file
537 in this format
538</p>
Junio C Hamanoa725a532006-03-21 08:33:47[diff] [blame]539<div class="listingblock">
Junio C Hamano02d6fa52006-01-16 08:23:23[diff] [blame]540<div class="content">
Junio C Hamanoa725a532006-03-21 08:33:47[diff] [blame]541<pre><tt> exon=Andreas Ericsson &lt;ae@op5.se&gt;
542 spawn=Simon Pawn &lt;spawn@frog-pond.org&gt;
543</tt></pre>
Junio C Hamano02d6fa52006-01-16 08:23:23[diff] [blame]544</div></div>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]545<div class="para"><p><em>git-cvsimport</em> will make it appear as those authors had
Junio C Hamano02d6fa52006-01-16 08:23:23[diff] [blame]546their GIT_AUTHOR_NAME and GIT_AUTHOR_EMAIL set properly
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]547all along.</p></div>
548<div class="para"><p>For convenience, this data is saved to <tt>$GIT_DIR/cvs-authors</tt>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]549each time the <em>-A</em> option is provided and read from that same
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]550file each time <em>git-cvsimport</em> is run.</p></div>
551<div class="para"><p>It is not recommended to use this feature if you intend to
Junio C Hamano02d6fa52006-01-16 08:23:23[diff] [blame]552export changes back to CVS again later with
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]553<em>git-cvsexportcommit</em>.</p></div>
Junio C Hamanodb911ee2007-02-28 08:13:52[diff] [blame]554</dd>
Junio C Hamano12a3a232007-04-07 10:18:10[diff] [blame]555<dt>
556-h
557</dt>
558<dd>
559<p>
560 Print a short usage message and exit.
561</p>
562</dd>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]563</dl></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]564</div>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]565<h2 id="_output">OUTPUT</h2>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]566<div class="sectionbody">
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]567<div class="para"><p>If <em>-v</em> is specified, the script reports what it is doing.</p></div>
568<div class="para"><p>Otherwise, success is indicated the Unix way, i.e. by simply exiting with
569a zero exit status.</p></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]570</div>
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]571<h2 id="issues">ISSUES</h2>
572<div class="sectionbody">
573<div class="para"><p>Problems related to timestamps:</p></div>
574<div class="ilist"><ul>
575<li>
576<p>
577If timestamps of commits in the cvs repository are not stable enough
Junio C Hamano9572e922009-04-02 06:52:03[diff] [blame]578 to be used for ordering commits changes may show up in the wrong
579 order.
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]580</p>
581</li>
582<li>
583<p>
584If any files were ever "cvs import"ed more than once (e.g., import of
Junio C Hamano9572e922009-04-02 06:52:03[diff] [blame]585 more than one vendor release) the HEAD contains the wrong content.
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]586</p>
587</li>
588<li>
589<p>
590If the timestamp order of different files cross the revision order
Junio C Hamano9572e922009-04-02 06:52:03[diff] [blame]591 within the commit matching time window the order of commits may be
592 wrong.
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]593</p>
594</li>
595</ul></div>
596<div class="para"><p>Problems related to branches:</p></div>
597<div class="ilist"><ul>
598<li>
599<p>
Junio C Hamano9572e922009-04-02 06:52:03[diff] [blame]600Branches on which no commits have been made are not imported.
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]601</p>
602</li>
603<li>
604<p>
605All files from the branching point are added to a branch even if
Junio C Hamano9572e922009-04-02 06:52:03[diff] [blame]606 never added in cvs.
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]607</p>
608</li>
609<li>
610<p>
Junio C Hamano9572e922009-04-02 06:52:03[diff] [blame]611This applies to files added to the source branch <strong>after</strong> a daughter
612 branch was created: if previously no commit was made on the daughter
613 branch they will erroneously be added to the daughter branch in git.
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]614</p>
615</li>
616</ul></div>
617<div class="para"><p>Problems related to tags:</p></div>
618<div class="ilist"><ul>
619<li>
620<p>
Junio C Hamano9572e922009-04-02 06:52:03[diff] [blame]621Multiple tags on the same revision are not imported.
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]622</p>
623</li>
624</ul></div>
625<div class="para"><p>If you suspect that any of these issues may apply to the repository you
626want to import consider using these alternative tools which proved to be
Junio C Hamanoea868332009-04-21 08:11:06[diff] [blame]627more stable in practice:</p></div>
Junio C Hamano625716a2009-03-25 18:49:30[diff] [blame]628<div class="ilist"><ul>
629<li>
630<p>
631cvs2git (part of cvs2svn), <tt>http://cvs2svn.tigris.org</tt>
632</p>
633</li>
634<li>
635<p>
636parsecvs, <tt>http://cgit.freedesktop.org/~keithp/parsecvs</tt>
637</p>
638</li>
639</ul></div>
640</div>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]641<h2 id="_author">Author</h2>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]642<div class="sectionbody">
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]643<div class="para"><p>Written by Matthias Urlichs &lt;smurf@smurf.noris.de&gt;, with help from
644various participants of the git-list &lt;git@vger.kernel.org&gt;.</p></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]645</div>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]646<h2 id="_documentation">Documentation</h2>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]647<div class="sectionbody">
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]648<div class="para"><p>Documentation by Matthias Urlichs &lt;smurf@smurf.noris.de&gt;.</p></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]649</div>
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]650<h2 id="_git">GIT</h2>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]651<div class="sectionbody">
Junio C Hamanoba4b9282008-07-06 05:20:31[diff] [blame]652<div class="para"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]653</div>
654<div id="footer">
655<div id="footer-text">
Junio C Hamano73d812c2009-07-01 02:33:06[diff] [blame]656Last updated 2009-07-01 02:30:46 UTC
Junio C Hamano1a4e8412005-12-27 08:17:23[diff] [blame]657</div>
658</div>
659</body>
660</html>