Re: offtopic: how to break huge patch into smaller independent patches?

[Herbert Poetzl]

On Thu, Sep 16, 2004 at 11:11:48PM +0200, Matthias Urlichs wrote:
> Hi, Dave Jones wrote:
> 
> > diffsplit will split it into a patch-per-file, which could be
> > a good start. If you have multiple changes touching the same file
> > however, things get a bit more fun, and you get to spend a lot
> > of time in your favorite text editor glueing bits together.
> 
> You can rip the bits apart instead, and leave the glueing and rip-patching
> to the computer.
> 
> - edit patch file:
>   - delete all the parts you don't want applied; freely hand-edit stuff,
>     and don't worry about the pesky line numbers
>   - save to new patch file
> - run "rediff" to fix up the new file
> - run "interdiff" to create a second, clean patch file
>   containing just the deleted parts
> - iterate until finished
> 
> All of this is part of the nice patchutils package.
> 
> NB: if all else fails, use espdiff(1).

yes, this often helps me to get it right, where the
other patchutils seem to fail, but the option parsing
code seems to be broken :)

# espdiff -h
espdiff: invalid option -- h
Try `cat --help' for more information.
     ~~~

> -- 
> Matthias Urlichs
> -
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