From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ramkumar Ramachandra Subject: [RFC PATCH 0/3] Towards a Git-to-SVN bridge Date: Sat, 15 Jan 2011 12:21:09 +0530 Message-ID: <1295074272-19559-1-git-send-email-artagnon@gmail.com> Cc: Jonathan Nieder , David Barr , Sverre Rabbelier To: Git List X-From: git-owner@vger.kernel.org Sat Jan 15 07:51:01 2011 Return-path: Envelope-to: gcvg-git-2@lo.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1PdzyT-0006Ei-Q7 for gcvg-git-2@lo.gmane.org; Sat, 15 Jan 2011 07:50:58 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750873Ab1AOGuf (ORCPT ); Sat, 15 Jan 2011 01:50:35 -0500 Received: from mail-iw0-f174.google.com ([209.85.214.174]:56481 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750713Ab1AOGue (ORCPT ); Sat, 15 Jan 2011 01:50:34 -0500 Received: by iwn9 with SMTP id 9so3205802iwn.19 for ; Fri, 14 Jan 2011 22:50:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:to:cc:subject:date:message-id:x-mailer; bh=C+Mrq8xmq1TCmhRKcA6EYl4xPXvsyLlKI+LTommITEU=; b=b75uBHw75jjR53ug5biiBFmzZX1bSqursVaSkaiNICrWomr8FJ64q00qxdMhCEDB9M wIUtSvHB6vMH53rxpDrBivZ0CBvl0pDTABXfuSWQgIfb4Xwbk/e9YekIfogAFVhBxPTA rMvl3ZO2qVflKxDbp7LvSlQTtIoGZDzQPmMEA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=n5IsyJA8SI+4EoO00oRtI9cxYuzn0sTTSO90+5v6XU3nOBYBLkpFJAZAUbW5B93VSM yN3XPWIQ03yvaO9sa9kdDbrvxz2VDgJBofXLeMXq5J9wQBQYPnTaF/4HmHIhtpNU3Nyf RJg3IK7ZE4efbNQCxKSvPdWTMhhlV45cXPisY= Received: by 10.42.213.200 with SMTP id gx8mr1803962icb.362.1295074232943; Fri, 14 Jan 2011 22:50:32 -0800 (PST) Received: from localhost.localdomain ([203.110.240.41]) by mx.google.com with ESMTPS id k38sm1484334ick.9.2011.01.14.22.50.29 (version=TLSv1/SSLv3 cipher=RC4-MD5); Fri, 14 Jan 2011 22:50:32 -0800 (PST) X-Mailer: git-send-email 1.7.4.rc1.7.g2cf08.dirty Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Hi, Over the last couple of days, I've been working on a parser that converts a fast-import stream into a SVN dumpfile. So far, it's very rough and works minimally for some common fast-import commands. However, the major roadblock is persisting blobs: in this implementation, they're persisted as an array of strbufs. This is very memory-intensive and not scalable at all. With some valuable insight from Jonathan on IRC, I've decided to try re-implementing fast-export to eliminate blob marks and produce them inline instead [1]. Comments are much appreciated. [1]: http://colabti.org/irclogger/irclogger_log/git-devel?date=2011-01-14 Ramkumar Ramachandra (3): date: Expose the time_to_tm function vcs-svn: Start working on the dumpfile producer Build an svn-fi target in contrib/svn-fe Makefile | 2 +- cache.h | 1 + contrib/svn-fe/Makefile | 23 ++++- contrib/svn-fe/svn-fi.c | 16 +++ contrib/svn-fe/svn-fi.txt | 28 +++++ date.c | 2 +- vcs-svn/dump_export.c | 73 +++++++++++ vcs-svn/svnload.c | 294 +++++++++++++++++++++++++++++++++++++++++++++ 8 files changed, 435 insertions(+), 4 deletions(-) create mode 100644 contrib/svn-fe/svn-fi.c create mode 100644 contrib/svn-fe/svn-fi.txt create mode 100644 vcs-svn/dump_export.c create mode 100644 vcs-svn/svnload.c -- 1.7.4.rc1.7.g2cf08.dirty