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Re: [Gnu-arch-users] Faster equivalent to 'tla file-diff | patch -R -o .

From: Tom Lord
Subject: Re: [Gnu-arch-users] Faster equivalent to 'tla file-diff | patch -R -o ...'
Date: Sat, 10 Apr 2004 09:55:11 -0700 (PDT)

    > From: Matthieu Moy <address@hidden>

    > After doing  some modifications to  a file, I'd  like to get  back the
    > unmodified file. I know I can do this with

    > tla file-diff | patch -R output_file

    > But this seems  really inefficient to me: To  compute "tla file-diff",
    > tla gets  the unmodified  version (either from  pristine tree,  from a
    > revlib, or  from the  archive), then computes  the diff, and  then, we
    > apply the patch. 

    > I'd like  to tell arch  to stop at  the first step, just  retrieve the
    > file, and dump it on its standard output or in a temp file. 

    > (I  need this  for  the integration  of  ediff in  xtla.el, the  Emacs
    > front-end to tla)

    > Is this possible ? 

    > Will this be  made possible in a  future version of tla ?  (I think it
    > should, to make front-ends and scripting with tla more efficient)

tla file-find -H

Hrmm.   `file-diffs' is listed twice in the output of `tla help'
(which is fine) but with `file-find' listed right next to only the
second one.


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