git.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Ferry Huberts (Pelagic)" <ferry.huberts@pelagic.nl>
To: Heiko Voigt <hvoigt@hvoigt.net>
Cc: Junio C Hamano <gitster@pobox.com>, git@vger.kernel.org
Subject: Re: [PATCH] Add warning about known issues to documentation of	cvsimport
Date: Mon, 23 Mar 2009 21:33:55 +0100	[thread overview]
Message-ID: <49C7F233.9050205@pelagic.nl> (raw)
In-Reply-To: <20090323195304.GC26678@macbook.lan>

Heiko Voigt wrote:
> The described issues are compiled from the tests by Michael Haggerty and me.
> Because it is not apparent that these can be fixed anytime soon at least warn
> unwary users not to rely on the inbuilt cvsimport to much.
> 
> Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
> ---
>  Documentation/git-cvsimport.txt |   34 ++++++++++++++++++++++++++++++++++
>  1 files changed, 34 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/git-cvsimport.txt b/Documentation/git-cvsimport.txt
> index b7a8c10..3123725 100644
> --- a/Documentation/git-cvsimport.txt
> +++ b/Documentation/git-cvsimport.txt
> @@ -24,6 +24,9 @@ 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.
>  
> +*WARNING:* for certain situations the import leads to incorrect results.
> +Please see the section <<issues,ISSUES>> for further reference.
> +
>  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
> @@ -164,6 +167,37 @@ 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.
>  
> +[[issues]]
> +ISSUES
> +------
> +Problems related to timestamps:
> +
> + * If timestamps of commits in the cvs repository are not stable enough
> +   to be used for ordering commits
> + * If any files were ever "cvs import"ed more than once (e.g., import of
> +   more than one vendor release)
> + * If the timestamp order of different files cross the revision order
> +   within the commit matching time window
> +
> +Problems related to branches:
> +
> + * Branches on which no commits have been made are not imported
> + * All files from the branching point are added to a branch even if
> +   never added in cvs
> + * files added to the source branch *after* a daughter branch was
> +   created: If previously no commit was made on the daugther branch they
> +   will erroneously be added to the daughter branch in git
> +
> +Problems related to tags:
> +
> +* Multiple tags on the same revision are not imported
> +
> +If you suspect that any of these issues may apply to the repository you
> +want to import consider using these alternative tools which proved to be
> +more stable in practise:
> +
> +* cvs2git (part of cvs2svn), `http://cvs2svn.tigris.org`
> +* parsecvs, `http://cgit.freedesktop.org/~keithp/parsecvs`
>  
>  Author
>  ------
maybe you can also add remarks about autocrlf and safecrlf?
both need to be off

  reply	other threads:[~2009-03-23 20:35 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-23 19:53 [PATCH] Add warning about known issues to documentation of cvsimport Heiko Voigt
2009-03-23 20:33 ` Ferry Huberts (Pelagic) [this message]
2009-03-30 22:17   ` Heiko Voigt
2009-03-31  5:36     ` Ferry Huberts (Pelagic)
2009-03-31 16:22       ` Heiko Voigt
2009-03-31 16:53         ` [PATCH] cvsimport: Add a note about crlf options to the documentation Heiko Voigt
2009-03-31 17:10         ` [PATCH] Add warning about known issues to documentation of cvsimport Ferry Huberts (Pelagic)
2009-03-24  3:14 ` Jeff King
2009-03-30 22:36   ` Heiko Voigt
2009-03-31  0:51     ` Junio C Hamano
2009-03-31 16:45       ` [PATCH] Cleanup warning about known issues in cvsimport documentation Heiko Voigt
2009-03-31 19:49         ` Jeff King
2009-04-01 20:24           ` [PATCH v2] " Heiko Voigt
2009-03-31 11:28     ` [PATCH] Add warning about known issues to documentation of cvsimport Jeff King
2009-03-31 19:40       ` Jeff King
2009-03-31 23:55         ` Junio C Hamano
2009-04-01  8:50           ` [PATCH] Documentation: use "spurious .sp" XSLT if DOCBOOK_SUPPRESS_SP is set Chris Johnsen
2009-04-01 10:14             ` Jeff King
2009-04-02  5:25               ` Junio C Hamano
2009-04-01 10:34             ` Jeff King
2009-04-01 12:19               ` Chris Johnsen
2009-04-01 13:06                 ` Jeff King

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=49C7F233.9050205@pelagic.nl \
    --to=ferry.huberts@pelagic.nl \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=hvoigt@hvoigt.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).