Speeding up Cygwin deployment

Vinod Gupta vinod@Princeton.EDU
Mon Sep 25 13:03:00 GMT 2006


> >> C:\cygwin\usr\share\man\man1\allec.1
> >> C:\cygwin\usr\X11R6\lib\X11\doc\html\atobm.1.html
>
> I don't have a system against which to check this conjecture, but if 
> you do a DOS attrib on each of these files my guess is that the first 
> is created as a +R symlink and the second as a +S symlink*; and if you 
> do a DOS dir the first will be revealed as a .lnk file and the second 
> will not. It looks to me as though the zipper you're using understands 
> and can re-create files of the first sort, but the second goes wrong.
>
> (Or maybe even +S +H which might help explain its invisibility, but 
> don't think so.)
>
> For different but similar reasons (the need to copy an entire Cygwin 
> system to other file systems via a DVD which can faithfully transfer 
> +R but not +S files whilst preserving these attributes) I have gone 
> through the system re-creating all original +S symlinks as +R. If the 
> above conjecture is true / looks as though it might be true, and if 
> you think this re-creation might help I can send you the script. Fergus

You are right. The first file has R and the second one has S attrib set. 
So, I guess your script to change all the S attribs to R should work for 
me too. Could you please send it to me.

I am wondering:
Why would they set these html files as System files?
Why info-zip (or probably any DOS app) can't restore them??
Why WinXP's internal unzipper goes an order of magnitude slower if the 
archive has S files???

Thanks,
Vinod


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