Commits on Feb 19, 2021

1. Plack::Util::load_psgi: guard against hitting the identifier length l… …

   …imit
   
   When Plack is asked to load a path with a psgi app inside,
   ala /foo/bar/app.psgi, it first generates a namespace for
   the file -- something like Plack::Sandbox::_2ffoo_2fbar_2fapp_2epsgi.
   
   Those "sandboxed" namespaces can get very long.  Long enough
   that they hit Perl's identifier limit of ~250 characters
   (see https://perldoc.perl.org/perldiag#Identifier-too-long).
   
   This commit patches Plack::Util::load_psgi()
   that always generates paths shorter than the threshold,
   and jumps through some hoops to ensure that no two
   applications end up sharing namespaces after the trimming.

   

   Hugmeir committed Feb 19, 2021
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