GNU bug report logs - #31210
Perl graft breakage

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From: Leo Famulari <leo <at> famulari.name>
To: Mark H Weaver <mhw <at> netris.org>
Cc: 31210 <at> debbugs.gnu.org
Subject: bug#31210: Perl graft breakage
Date: Thu, 19 Apr 2018 10:38:39 -0400

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On Thu, Apr 19, 2018 at 07:57:32AM -0400, Mark H Weaver wrote:
> Hi Leo,
> 
> One more thing:
> 
> Leo Famulari <leo <at> famulari.name> writes:
> > +           (add-after 'install 'workaround-grafting-version-bug
> > +             (lambda* (#:key outputs #:allow-other-keys)
> > +               (let* ((out (assoc-ref outputs "out"))
> > +                      (new (string-append out "/lib/perl5/5.26.2"))
> > +                      (old (string-append out "/lib/perl5/5.26.1")))
> > +                 (symlink new old)
> > +                 #t)))))))))
> 
> It would be better for 'new' to be simply "5.26.2" instead of an
> absolute file name.  If I'm not mistaken, on ext4, files (including
> symlinks) smaller than 60 bytes are stored entirely within the inode,
> saving both a disk block and a seek operation when accessing it.

Thanks for all your expert advice! I pushed a fix as
44b98b00026e62766620dbc4330a305282d61069.

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