bug#20081: patch-source-shebangs crashes on broken symlink

[Ludovic Courtès]

address@hidden (Ludovic Courtès) skribis:

> Tomáš Čech <address@hidden> skribis:
>
>> On Wed, Mar 11, 2015 at 06:32:30PM +0100, Andreas Enge wrote:
>>>On Wed, Mar 11, 2015 at 04:02:11PM +0100, Tomáš Čech wrote:
>>>> I'm trying to create package for taskwarrior.
>>>> Source tarball contain symlinks to nonexisting file `task':
>>>
>>>I would argue that this is not a bug in guix, but in the tarball.
>>>You can remove the link with an additional phase before 'configure, see, for
>>>instance, the dvdisaster package in cdrom.scm.
>>
>> I agree with you that the fishy part is in tarball, but we could make
>> build more robust. Getting backtrace is not nice way to end a build.
>
> I agree.  I think we should patch ‘find-files’ in core-updates to not
> follow symlinks:

Done in 347f54e.

Thanks,
Ludo’.