Bug#724907: lintian: [new check] warn on deprecated find -perm +x option

[Niels Thykier <niels@thykier.net>]

On 2013-09-29 17:29, Andreas Metzler wrote:
> Package: lintian
> Version: 2.5.19
> Severity: wishlist
> 
> Hello,
> 
> GNU find 4.5.11 and later do not support the -perm +x option anymore
> (due to being "unspecified behavior" in POSIX).
> 
> It would be nice to search for invalid find-invocations before a find
> version with this feature ends up in unstable.
> 
> What is needed is essentially
> 
> Tag: findpermplus
> Severity: important
> Certainty: wild-guess
> Info: The package probably invokes find with the -perm +X option. This
>  option is deprecated and not supported in 4.5.11 and later. Please use
>  -perm /X instead.
> 
> Where findpermplus does a 
> find -path debian/changelog -or \( -type f -exec grep -l -- '-perm +' {} + \)
> 
> i.e. a grep for a literal '-perm +'. The check should not only look
> at debian but the complete source.
> 
> An enhanced check would additionally match on 'find.*-perm +' with
> Certainty: possible.
> 
> Thanks for considering,
> cu Andreas
> 
> 

Hey,

If all you want is to search for uses before it hits unstable, then you
can use codesearch[1].  In fact, it might be a good idea to do that
regardless of whether we make a Lintian check for it or not.

~Niels

[1] http://codesearch.debian.net/search?q=-perm\s\%2B