Merge branch 'master' into topic/constructor_rewrite

[dbsrgits/DBIx-Class.git] / maint / Makefile.PL.inc / 12_authordeps.pl

diff --git a/maint/Makefile.PL.inc/12_authordeps.pl b/maint/Makefile.PL.inc/12_authordeps.pl
new file mode 100644 (file)
index 0000000..c4944d0
--- /dev/null
+++ b/maint/Makefile.PL.inc/12_authordeps.pl
@@ -0,0 +1,121 @@
+my ($optdep_msg, $opt_testdeps);
+
+if ($args->{skip_author_deps}) {
+  $optdep_msg = <<'EOW';
+
+******************************************************************************
+******************************************************************************
+***                                                                        ***
+*** IGNORING AUTHOR MODE: no optional test dependencies will be forced.    ***
+***                                                                        ***
+*** If you are using this checkout with the intention of submitting a DBIC ***
+*** patch, you are *STRONGLY ENCOURAGED* to install all dependencies, so   ***
+*** that every possible unit-test will run.                                ***
+***                                                                        ***
+******************************************************************************
+******************************************************************************
+
+EOW
+}
+else {
+  $optdep_msg = <<'EOW';
+
+******************************************************************************
+******************************************************************************
+***                                                                        ***
+*** AUTHOR MODE: all optional test dependencies converted to hard requires ***
+***       ( to disable re-run Makefile.PL with --skip-author-deps )        ***
+***                                                                        ***
+******************************************************************************
+******************************************************************************
+
+EOW
+
+  require DBIx::Class::Optional::Dependencies;
+  my %reqs_for_group = %{DBIx::Class::Optional::Dependencies->req_group_list};
+
+  # exclude the rdbms_* groups which are for DBIC users
+  $opt_testdeps = {
+    map { %{$reqs_for_group{$_}} } grep { !/^rdbms_/ } keys %reqs_for_group
+  };
+
+  print "Including all optional deps\n";
+  $reqs->{test_requires} = {
+    %{$reqs->{test_requires}},
+    %$opt_testdeps
+  };
+}
+
+# nasty hook into both M::AI init and the prompter, so that the optdep message
+# comes at the right places (on top and then right above the prompt)
+{
+  require Module::AutoInstall;
+  no warnings 'redefine';
+  no strict 'refs';
+
+  for (qw/_prompt import/) {
+    my $meth = "Module::AutoInstall::$_";
+    my $orig = \&{$meth};
+    *{$meth} = sub {
+      print $optdep_msg;
+      goto $orig;
+    };
+  }
+}
+
+# this will run after the Makefile is written and the main Makefile.PL terminates
+#
+END {
+  # Re-write META.yml at the end to _exclude_ all forced build-requires (we do not
+  # want to ship this) We are also not using M::I::AuthorRequires as this will be
+  # an extra dep, and deps in Makefile.PL still suck
+  # Also always test the result so we stop shipping borked dependency lists to CPAN
+
+  # FIXME test_requires is not yet part of META
+  my %original_build_requires = ( %$build_requires, %$test_requires );
+  my @all_build_requires = @{delete Meta->{values}{build_requires}||[]};
+  my %removed_build_requires;
+
+  for (@all_build_requires) {
+    if ($original_build_requires{$_->[0]}) {
+      push @{Meta->{values}{build_requires}}, $_;
+    }
+    else {
+      $removed_build_requires{$_->[0]} = $_->[1]
+        unless $_->[0] eq 'ExtUtils::MakeMaker';
+    }
+  }
+
+  if (keys %removed_build_requires) {
+    print "Regenerating META with author requires excluded\n";
+    Meta->write;
+  }
+
+  # test that we really took things away (just in case, happened twice somehow)
+  if (! -f 'META.yml') {
+    warn "No META.yml generated?! aborting...\n";
+    unlink 'Makefile';
+    exit 1;
+  }
+  my $meta = do { local @ARGV = 'META.yml'; local $/; <> };
+
+  # this is safe as there is a fatal check earlier in the main Makefile.PL
+  # to make sure there are no duplicates (i.e. $opt_testdeps does not contain
+  # any real dependencies)
+  my @illegal_leftovers = grep
+    { $meta =~ /^ \s+ \Q$_\E \: \s+ /mx }
+    ( sort keys %$opt_testdeps )
+  ;
+
+  if (@illegal_leftovers) {
+    warn join ("\n",
+      "\n\nFATAL FAIL! It looks like some author dependencies made it to the META.yml:\n",
+      map { "\t$_" } @illegal_leftovers
+    ) . "\n\n";
+    unlink 'Makefile';
+    exit 1;
+  }
+}
+
+# keep the Makefile.PL eval happy
+1;