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 571 <div id="header">
 572 <h1>
 573 git-cvsimport(1) Manual Page
 574 </h1>
 575 <h2>NAME</h2>
 576 <div class="sectionbody">
 577 <p>git-cvsimport -
 578    Salvage your data out of another SCM people love to hate
 579 </p>
 580 </div>
 581 </div>
 582 <div id="content">
 583 <h2 id="_synopsis">SYNOPSIS</h2>
 584 <div class="sectionbody">
 585 <div class="verseblock">
 586 <div class="verseblock-content"><em>git cvsimport</em> [-o &lt;branch-for-HEAD&gt;] [-h] [-v] [-d &lt;CVSROOT&gt;]
 587               [-A &lt;author-conv-file&gt;] [-p &lt;options-for-cvsps&gt;] [-P &lt;file&gt;]
 588               [-C &lt;git_repository&gt;] [-z &lt;fuzz&gt;] [-i] [-k] [-u] [-s &lt;subst&gt;]
 589               [-a] [-m] [-M &lt;regex&gt;] [-S &lt;regex&gt;] [-L &lt;commitlimit&gt;]
 590               [-r &lt;remote&gt;] [-R] [&lt;CVS_module&gt;]</div>
 591 <div class="verseblock-attribution">
 592 </div></div>
 593 </div>
 594 <h2 id="_description">DESCRIPTION</h2>
 595 <div class="sectionbody">
 596 <div class="paragraph"><p>Imports a CVS repository into git. It will either create a new
 597 repository, or incrementally import into an existing one.</p></div>
 598 <div class="paragraph"><p>Splitting the CVS log into patch sets is done by <em>cvsps</em>.
 599 At least version 2.1 is required.</p></div>
 600 <div class="paragraph"><p><strong>WARNING:</strong> for certain situations the import leads to incorrect results.
 601 Please see the section <a href="#issues">ISSUES</a> for further reference.</p></div>
 602 <div class="paragraph"><p>You should <strong>never</strong> do any work of your own on the branches that are
 603 created by <em>git cvsimport</em>.  By default initial import will create and populate a
 604 "master" branch from the CVS repository&#8217;s main branch which you&#8217;re free
 605 to work with; after that, you need to <em>git merge</em> incremental imports, or
 606 any CVS branches, yourself.  It is advisable to specify a named remote via
 607 -r to separate and protect the incoming branches.</p></div>
 608 <div class="paragraph"><p>If you intend to set up a shared public repository that all developers can
 609 read/write, or if you want to use <a href="git-cvsserver.html">git-cvsserver(1)</a>, then you
 610 probably want to make a bare clone of the imported repository,
 611 and use the clone as the shared repository.
 612 See <a href="gitcvs-migration.html">gitcvs-migration(7)</a>.</p></div>
 613 </div>
 614 <h2 id="_options">OPTIONS</h2>
 615 <div class="sectionbody">
 616 <div class="dlist"><dl>
 617 <dt class="hdlist1">
 618 -v
 619 </dt>
 620 <dd>
 621 <p>
 622         Verbosity: let <em>cvsimport</em> report what it is doing.
 623 </p>
 624 </dd>
 625 <dt class="hdlist1">
 626 -d &lt;CVSROOT&gt;
 627 </dt>
 628 <dd>
 629 <p>
 630         The root of the CVS archive. May be local (a simple path) or remote;
 631         currently, only the :local:, :ext: and :pserver: access methods
 632         are supported. If not given, <em>git cvsimport</em> will try to read it
 633         from <tt>CVS/Root</tt>. If no such file exists, it checks for the
 634         <tt>CVSROOT</tt> environment variable.
 635 </p>
 636 </dd>
 637 <dt class="hdlist1">
 638 &lt;CVS_module&gt;
 639 </dt>
 640 <dd>
 641 <p>
 642         The CVS module you want to import. Relative to &lt;CVSROOT&gt;.
 643         If not given, <em>git cvsimport</em> tries to read it from
 644         <tt>CVS/Repository</tt>.
 645 </p>
 646 </dd>
 647 <dt class="hdlist1">
 648 -C &lt;target-dir&gt;
 649 </dt>
 650 <dd>
 651 <p>
 652         The git repository to import to.  If the directory doesn&#8217;t
 653         exist, it will be created.  Default is the current directory.
 654 </p>
 655 </dd>
 656 <dt class="hdlist1">
 657 -r &lt;remote&gt;
 658 </dt>
 659 <dd>
 660 <p>
 661         The git remote to import this CVS repository into.
 662         Moves all CVS branches into remotes/&lt;remote&gt;/&lt;branch&gt;
 663         akin to the way <em>git clone</em> uses <em>origin</em> by default.
 664 </p>
 665 </dd>
 666 <dt class="hdlist1">
 667 -o &lt;branch-for-HEAD&gt;
 668 </dt>
 669 <dd>
 670 <p>
 671         When no remote is specified (via -r) the <em>HEAD</em> branch
 672         from CVS is imported to the <em>origin</em> branch within the git
 673         repository, as <em>HEAD</em> already has a special meaning for git.
 674         When a remote is specified the <em>HEAD</em> branch is named
 675         remotes/&lt;remote&gt;/master mirroring <em>git clone</em> behaviour.
 676         Use this option if you want to import into a different
 677         branch.
 678 </p>
 679 <div class="paragraph"><p>Use <em>-o master</em> for continuing an import that was initially done by
 680 the old cvs2git tool.</p></div>
 681 </dd>
 682 <dt class="hdlist1">
 683 -i
 684 </dt>
 685 <dd>
 686 <p>
 687         Import-only: don&#8217;t perform a checkout after importing.  This option
 688         ensures the working directory and index remain untouched and will
 689         not create them if they do not exist.
 690 </p>
 691 </dd>
 692 <dt class="hdlist1">
 693 -k
 694 </dt>
 695 <dd>
 696 <p>
 697         Kill keywords: will extract files with <em>-kk</em> from the CVS archive
 698         to avoid noisy changesets. Highly recommended, but off by default
 699         to preserve compatibility with early imported trees.
 700 </p>
 701 </dd>
 702 <dt class="hdlist1">
 703 -u
 704 </dt>
 705 <dd>
 706 <p>
 707         Convert underscores in tag and branch names to dots.
 708 </p>
 709 </dd>
 710 <dt class="hdlist1">
 711 -s &lt;subst&gt;
 712 </dt>
 713 <dd>
 714 <p>
 715         Substitute the character "/" in branch names with &lt;subst&gt;
 716 </p>
 717 </dd>
 718 <dt class="hdlist1">
 719 -p &lt;options-for-cvsps&gt;
 720 </dt>
 721 <dd>
 722 <p>
 723         Additional options for cvsps.
 724         The options <em>-u</em> and <em>-A</em> are implicit and should not be used here.
 725 </p>
 726 <div class="paragraph"><p>If you need to pass multiple options, separate them with a comma.</p></div>
 727 </dd>
 728 <dt class="hdlist1">
 729 -z &lt;fuzz&gt;
 730 </dt>
 731 <dd>
 732 <p>
 733         Pass the timestamp fuzz factor to cvsps, in seconds. If unset,
 734         cvsps defaults to 300s.
 735 </p>
 736 </dd>
 737 <dt class="hdlist1">
 738 -P &lt;cvsps-output-file&gt;
 739 </dt>
 740 <dd>
 741 <p>
 742         Instead of calling cvsps, read the provided cvsps output file. Useful
 743         for debugging or when cvsps is being handled outside cvsimport.
 744 </p>
 745 </dd>
 746 <dt class="hdlist1">
 747 -m
 748 </dt>
 749 <dd>
 750 <p>
 751         Attempt to detect merges based on the commit message. This option
 752         will enable default regexes that try to capture the source
 753         branch name from the commit message.
 754 </p>
 755 </dd>
 756 <dt class="hdlist1">
 757 -M &lt;regex&gt;
 758 </dt>
 759 <dd>
 760 <p>
 761         Attempt to detect merges based on the commit message with a custom
 762         regex. It can be used with <em>-m</em> to enable the default regexes
 763         as well. You must escape forward slashes.
 764 </p>
 765 <div class="paragraph"><p>The regex must capture the source branch name in $1.</p></div>
 766 <div class="paragraph"><p>This option can be used several times to provide several detection regexes.</p></div>
 767 </dd>
 768 <dt class="hdlist1">
 769 -S &lt;regex&gt;
 770 </dt>
 771 <dd>
 772 <p>
 773         Skip paths matching the regex.
 774 </p>
 775 </dd>
 776 <dt class="hdlist1">
 777 -a
 778 </dt>
 779 <dd>
 780 <p>
 781         Import all commits, including recent ones. cvsimport by default
 782         skips commits that have a timestamp less than 10 minutes ago.
 783 </p>
 784 </dd>
 785 <dt class="hdlist1">
 786 -L &lt;limit&gt;
 787 </dt>
 788 <dd>
 789 <p>
 790         Limit the number of commits imported. Workaround for cases where
 791         cvsimport leaks memory.
 792 </p>
 793 </dd>
 794 <dt class="hdlist1">
 795 -A &lt;author-conv-file&gt;
 796 </dt>
 797 <dd>
 798 <p>
 799         CVS by default uses the Unix username when writing its
 800         commit logs. Using this option and an author-conv-file
 801         in this format
 802 </p>
 803 <div class="listingblock">
 804 <div class="content">
 805 <pre><tt>        exon=Andreas Ericsson &lt;ae@op5.se&gt;
 806         spawn=Simon Pawn &lt;spawn@frog-pond.org&gt;</tt></pre>
 807 </div></div>
 808 <div class="paragraph"><p><em>git cvsimport</em> will make it appear as those authors had
 809 their GIT_AUTHOR_NAME and GIT_AUTHOR_EMAIL set properly
 810 all along.</p></div>
 811 <div class="paragraph"><p>For convenience, this data is saved to <tt>$GIT_DIR/cvs-authors</tt>
 812 each time the <em>-A</em> option is provided and read from that same
 813 file each time <em>git cvsimport</em> is run.</p></div>
 814 <div class="paragraph"><p>It is not recommended to use this feature if you intend to
 815 export changes back to CVS again later with
 816 <em>git cvsexportcommit</em>.</p></div>
 817 </dd>
 818 <dt class="hdlist1">
 819 -R
 820 </dt>
 821 <dd>
 822 <p>
 823         Generate a <tt>$GIT_DIR/cvs-revisions</tt> file containing a mapping from CVS
 824         revision numbers to newly-created Git commit IDs.  The generated file
 825         will contain one line for each (filename, revision) pair imported;
 826         each line will look like
 827 </p>
 828 <div class="listingblock">
 829 <div class="content">
 830 <pre><tt>src/widget.c 1.1 1d862f173cdc7325b6fa6d2ae1cfd61fd1b512b7</tt></pre>
 831 </div></div>
 832 <div class="paragraph"><p>The revision data is appended to the file if it already exists, for use when
 833 doing incremental imports.</p></div>
 834 <div class="paragraph"><p>This option may be useful if you have CVS revision numbers stored in commit
 835 messages, bug-tracking systems, email archives, and the like.</p></div>
 836 </dd>
 837 <dt class="hdlist1">
 838 -h
 839 </dt>
 840 <dd>
 841 <p>
 842         Print a short usage message and exit.
 843 </p>
 844 </dd>
 845 </dl></div>
 846 </div>
 847 <h2 id="_output">OUTPUT</h2>
 848 <div class="sectionbody">
 849 <div class="paragraph"><p>If <em>-v</em> is specified, the script reports what it is doing.</p></div>
 850 <div class="paragraph"><p>Otherwise, success is indicated the Unix way, i.e. by simply exiting with
 851 a zero exit status.</p></div>
 852 </div>
 853 <h2 id="issues">ISSUES</h2>
 854 <div class="sectionbody">
 855 <div class="paragraph"><p>Problems related to timestamps:</p></div>
 856 <div class="ulist"><ul>
 857 <li>
 858 <p>
 859 If timestamps of commits in the CVS repository are not stable enough
 860    to be used for ordering commits changes may show up in the wrong
 861    order.
 862 </p>
 863 </li>
 864 <li>
 865 <p>
 866 If any files were ever "cvs import"ed more than once (e.g., import of
 867    more than one vendor release) the HEAD contains the wrong content.
 868 </p>
 869 </li>
 870 <li>
 871 <p>
 872 If the timestamp order of different files cross the revision order
 873    within the commit matching time window the order of commits may be
 874    wrong.
 875 </p>
 876 </li>
 877 </ul></div>
 878 <div class="paragraph"><p>Problems related to branches:</p></div>
 879 <div class="ulist"><ul>
 880 <li>
 881 <p>
 882 Branches on which no commits have been made are not imported.
 883 </p>
 884 </li>
 885 <li>
 886 <p>
 887 All files from the branching point are added to a branch even if
 888    never added in CVS.
 889 </p>
 890 </li>
 891 <li>
 892 <p>
 893 This applies to files added to the source branch <strong>after</strong> a daughter
 894    branch was created: if previously no commit was made on the daughter
 895    branch they will erroneously be added to the daughter branch in git.
 896 </p>
 897 </li>
 898 </ul></div>
 899 <div class="paragraph"><p>Problems related to tags:</p></div>
 900 <div class="ulist"><ul>
 901 <li>
 902 <p>
 903 Multiple tags on the same revision are not imported.
 904 </p>
 905 </li>
 906 </ul></div>
 907 <div class="paragraph"><p>If you suspect that any of these issues may apply to the repository you
 908 want to import consider using these alternative tools which proved to be
 909 more stable in practice:</p></div>
 910 <div class="ulist"><ul>
 911 <li>
 912 <p>
 913 cvs2git (part of cvs2svn), <tt>http://cvs2svn.tigris.org</tt>
 914 </p>
 915 </li>
 916 <li>
 917 <p>
 918 parsecvs, <tt>http://cgit.freedesktop.org/~keithp/parsecvs</tt>
 919 </p>
 920 </li>
 921 </ul></div>
 922 </div>
 923 <h2 id="_git">GIT</h2>
 924 <div class="sectionbody">
 925 <div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
 926 </div>
 927 </div>
 928 <div id="footnotes"><hr /></div>
 929 <div id="footer">
 930 <div id="footer-text">
 931 Last updated 2011-09-21 23:01:14 PDT
 932 </div>
 933 </div>
 934 </body>
 935 </html>