[Vcs-fast-import-devs] fast-import mirroring a foreign repository

[Matt McClure]

On Sep 8, 2009, at 5:41 AM, Miklos Vajna <vmiklos at frugalware.org> wrote:

> On Tue, Sep 08, 2009 at 02:53:33PM +1000, Ian Clatworthy <ian.clatworthy at canonical.com 
> > wrote:
>> How are incremental imports handled across your current tools?
>
> Using the --import-marks / --export-marks options, just like
> git-fast-import (speaking of darcs-fast-import). That allows me to
> understand when an incremental import says "from :xxx" to translate  
> xxx
> to a darcs patch, as the mapping can be done from the marks file.

What is the recipe using the marks options to:

1. Do an initial export from one VCS;
2. Import it to another VCS;
3. Do an incremental export from the first VCS;
4. Import the incremental changes to the second VCS?

Thanks,
Matt