Re: [PATCH] cogito: Avoid slowness when timewarping large trees.

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On Fri, Mar 24, 2006 at 02:21:25AM -0800, Junio C Hamano wrote:

> Metainformation fields are internally separated with SP and a
> TAB comes before pathname; you can just say:
> 
> 	sed -ne 's/^:[^	]* D	//p'

That is much cleaner (I stupidly just converted the original regex
verbatim).

> a SP).  You might also want to consider "xargs rm -f --", BTW.

Oops, you're right. In particular, rm complains when there are no
deletions. 

> However, I wonder why it does not do this instead:
> 
> 	... stash away the local changes
> 	git-read-tree -m "$base" ;# reset the index to $base
> 
> 	# switch to $branch -- removing gone files as well
> 	git-read-tree -m -u "$base" "$branch"
> 
> Then you can also lose diff-tree and checkout-index there.

This doesn't deal very well with local changes. The second read-tree
complains about a not uptodate entry during the merge. Since we've
already stashed the local changes as a diff, we should be able to simply
ignore them during the read-tree. Should the first read-tree actually
be:
  git-read-tree --reset "$base"
?

-Peff
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