Documentation/git-cvsimport.txt

   1 git-cvsimport(1)
   2 ================
   3
   4 NAME
   5 ----
   6 git-cvsimport - Salvage your data out of another SCM people love to hate
   7
   8
   9 SYNOPSIS
  10 --------
  11 [verse]
  12 'git-cvsimport' [-o <branch-for-HEAD>] [-h] [-v] [-d <CVSROOT>]
  13               [-A <author-conv-file>] [-p <options-for-cvsps>] [-P <file>]
  14               [-C <git_repository>] [-z <fuzz>] [-i] [-k] [-u] [-s <subst>]
  15               [-a] [-m] [-M <regex>] [-S <regex>] [-L <commitlimit>]
  16               [<CVS_module>]
  17
  18
  19 DESCRIPTION
  20 -----------
  21 Imports a CVS repository into git. It will either create a new
  22 repository, or incrementally import into an existing one.
  23
  24 Splitting the CVS log into patch sets is done by 'cvsps'.
  25 At least version 2.1 is required.
  26
  27 You should *never* do any work of your own on the branches that are
  28 created by git-cvsimport. The initial import will create and populate a
  29 "master" branch from the CVS repository's main branch which you're free
  30 to work with; after that, you need to 'git merge' incremental imports, or
  31 any CVS branches, yourself.
  32
  33 OPTIONS
  34 -------
  35 -v::
  36         Verbosity: let 'cvsimport' report what it is doing.
  37
  38 -d <CVSROOT>::
  39         The root of the CVS archive. May be local (a simple path) or remote;
  40         currently, only the :local:, :ext: and :pserver: access methods
  41         are supported. If not given, git-cvsimport will try to read it
  42         from `CVS/Root`. If no such file exists, it checks for the
  43         `CVSROOT` environment variable.
  44
  45 <CVS_module>::
  46         The CVS module you want to import. Relative to <CVSROOT>.
  47         If not given, git-cvsimport tries to read it from
  48         `CVS/Repository`.
  49
  50 -C <target-dir>::
  51         The git repository to import to.  If the directory doesn't
  52         exist, it will be created.  Default is the current directory.
  53
  54 -o <branch-for-HEAD>::
  55         The 'HEAD' branch from CVS is imported to the 'origin' branch within
  56         the git repository, as 'HEAD' already has a special meaning for git.
  57         Use this option if you want to import into a different branch.
  58 +
  59 Use '-o master' for continuing an import that was initially done by
  60 the old cvs2git tool.
  61
  62 -i::
  63         Import-only: don't perform a checkout after importing.  This option
  64         ensures the working directory and index remain untouched and will
  65         not create them if they do not exist.
  66
  67 -k::
  68         Kill keywords: will extract files with '-kk' from the CVS archive
  69         to avoid noisy changesets. Highly recommended, but off by default
  70         to preserve compatibility with early imported trees.
  71
  72 -u::
  73         Convert underscores in tag and branch names to dots.
  74
  75 -s <subst>::
  76         Substitute the character "/" in branch names with <subst>
  77
  78 -p <options-for-cvsps>::
  79         Additional options for cvsps.
  80         The options '-u' and '-A' are implicit and should not be used here.
  81 +
  82 If you need to pass multiple options, separate them with a comma.
  83
  84 -z <fuzz>::
  85         Pass the timestamp fuzz factor to cvsps, in seconds. If unset,
  86         cvsps defaults to 300s.
  87
  88 -P <cvsps-output-file>::
  89         Instead of calling cvsps, read the provided cvsps output file. Useful
  90         for debugging or when cvsps is being handled outside cvsimport.
  91
  92 -m::
  93         Attempt to detect merges based on the commit message. This option
  94         will enable default regexes that try to capture the name source
  95         branch name from the commit message.
  96
  97 -M <regex>::
  98         Attempt to detect merges based on the commit message with a custom
  99         regex. It can be used with '-m' to also see the default regexes.
 100         You must escape forward slashes.
 101
 102 -S <regex>::
 103         Skip paths matching the regex.
 104
 105 -a::
 106         Import all commits, including recent ones. cvsimport by default
 107         skips commits that have a timestamp less than 10 minutes ago.
 108
 109 -L <limit>::
 110         Limit the number of commits imported. Workaround for cases where
 111         cvsimport leaks memory.
 112
 113 -A <author-conv-file>::
 114         CVS by default uses the Unix username when writing its
 115         commit logs. Using this option and an author-conv-file
 116         in this format
 117 +
 118 ---------
 119         exon=Andreas Ericsson <ae@op5.se>
 120         spawn=Simon Pawn <spawn@frog-pond.org>
 121
 122 ---------
 123 +
 124 git-cvsimport will make it appear as those authors had
 125 their GIT_AUTHOR_NAME and GIT_AUTHOR_EMAIL set properly
 126 all along.
 127 +
 128 For convenience, this data is saved to `$GIT_DIR/cvs-authors`
 129 each time the '-A' option is provided and read from that same
 130 file each time git-cvsimport is run.
 131 +
 132 It is not recommended to use this feature if you intend to
 133 export changes back to CVS again later with
 134 gitlink:git-cvsexportcommit[1].
 135
 136 -h::
 137         Print a short usage message and exit.
 138
 139 OUTPUT
 140 ------
 141 If '-v' is specified, the script reports what it is doing.
 142
 143 Otherwise, success is indicated the Unix way, i.e. by simply exiting with
 144 a zero exit status.
 145
 146
 147 Author
 148 ------
 149 Written by Matthias Urlichs <smurf@smurf.noris.de>, with help from
 150 various participants of the git-list <git@vger.kernel.org>.
 151
 152 Documentation
 153 --------------
 154 Documentation by Matthias Urlichs <smurf@smurf.noris.de>.
 155
 156 GIT
 157 ---
 158 Part of the gitlink:git[7] suite