Bring back _TempExtlib (d0435d75), this time for Sub::Quote

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / StartupCheck.pm

diff --git a/lib/DBIx/Class/StartupCheck.pm b/lib/DBIx/Class/StartupCheck.pm
index 4986eb5..986e452 100644 (file)
--- a/lib/DBIx/Class/StartupCheck.pm
+++ b/lib/DBIx/Class/StartupCheck.pm
@@ -1,5 +1,38 @@
 package DBIx::Class::StartupCheck;
 
+# Temporary - tempextlib
+use warnings;
+use strict;
+use namespace::clean;
+BEGIN {
+  # There can be only one of these, make sure we get the bundled part and
+  # *not* something off the site lib
+  for (qw(
+    Sub::Quote
+  )) {
+    (my $incfn = "$_.pm") =~ s|::|/|g;
+
+    if ($INC{$incfn}) {
+      die "\n\t*TEMPORARY* TRIAL RELEASE REQUIREMENTS VIOLATED\n\n"
+        . "Unable to continue - a part of the bundled templib contents "
+        . "was already loaded (likely an older version from CPAN). "
+        . "Make sure that @{[ __PACKAGE__ ]} is loaded before $_\n"
+        . "\n\tThis *WILL NOT* be necessary for the official DBIC release\n\n"
+      ;
+    }
+  }
+
+  require File::Spec;
+  our ($HERE) = File::Spec->rel2abs(
+    File::Spec->catdir( (File::Spec->splitpath(__FILE__))[1], '_TempExtlib' )
+  ) =~ /^(.*)$/; # screw you, taint mode
+
+  die "TempExtlib $HERE does not seem to exist - perhaps you need to run `perl Makefile.PL` in the DBIC checkout?\n"
+    unless -d $HERE;
+
+  unshift @INC, $HERE;
+}
+
 1;
 
 __END__