Move the pod de-duplication logic from buildtoc to pod_lib.pl

is_duplicate_pod() moves. register_duplicate_pod() can be inlined into
get_pod_metadata().

2 files changed, 20 insertions, 24 deletions

diff --git a/Porting/pod_lib.pl b/Porting/pod_lib.pl
index 25e33d58bc..3676953db6 100644
--- a/Porting/pod_lib.pl
+++ b/Porting/pod_lib.pl
@@ -1,6 +1,7 @@
 #!/usr/bin/perl -w
 
 use strict;
+use Digest::MD5 'md5';
 
 # make it clearer when we haven't run to completion, as we can be quite
 # noisy when things are working ok
@@ -36,6 +37,16 @@ sub write_or_die {
     close $fh or die "Can't close $filename: $!";
 }
 
+my (%Lengths, %MD5s);
+
+sub is_duplicate_pod {
+    my $file = shift;
+    # We are a file in lib. Are we a duplicate?
+    # Don't bother calculating the MD5 if there's no interesting file of
+    # this length.
+    return $Lengths{-s $file} && $MD5s{md5(slurp_or_die($file))};
+}
+
 sub get_pod_metadata {
     # Do we expect to find generated pods on disk?
     my $permit_missing_generated = shift;
@@ -116,6 +127,15 @@ sub get_pod_metadata {
             }
             my_die "Unknown flag found in section line: $_" if length $flags;
             my ($leafname) = $podname =~ m!([^/]+)$!;
+
+            if ($leafname ne $podname) {
+                # We are a dual-life perl*.pod file, which will have be copied
+                # to lib/ by the build process, and hence also found there.
+                # These are the only pod files that might become duplicated.
+                ++$Lengths{-s $filename};
+                ++$MD5s{md5(slurp_or_die($filename))};
+            }
+
             push @{$state{master}},
                 [\%flags, $podname, $filename, $desc, $leafname];
         } elsif (/^$/) {
diff --git a/pod/buildtoc b/pod/buildtoc
index 9a43fa5c55..edf77ed1fd 100644
--- a/pod/buildtoc
+++ b/pod/buildtoc
@@ -7,7 +7,6 @@ use File::Find;
 use FindBin;
 use Text::Wrap;
 use Getopt::Long;
-use Digest::MD5 'md5';
 
 no locale;
 
@@ -97,9 +96,6 @@ EOPOD2B
 
 # All the things in the master list that happen to be pod filenames
 foreach (grep {defined $_ && @$_ == 5 && !$_->[0]{toc_omit}} @{$state->{master}}) {
-    # Only bother registering those files that we know that we copy
-    register_duplicate_pod($_->[2])
-        if $_->[1] ne $_->[4];
     $roffitall .= "    \$mandir/$_->[4].1 \\\n";
     podset($_->[4], $_->[2]);
 }
@@ -223,26 +219,6 @@ exit(0);
 
 # Below are all the auxiliary routines for generating perltoc.pod
 
-{
-    my (%Lengths, %MD5s);
-
-    sub register_duplicate_pod {
-        my $file = shift;
-        # We are a dual-life perl*.pod file, which will have be copied to lib/
-        # by the build process, and hence also found there.
-        ++$Lengths{-s $file};
-        ++$MD5s{md5(slurp_or_die($file))};
-    }
-
-    sub is_duplicate_pod {
-        my $file = shift;
-        # We are a file in lib. Are we a duplicate?
-        # Don't bother calculating the MD5 if there's no interesting file of
-        # this length.
-        return $Lengths{-s $file} && $MD5s{md5(slurp_or_die($file))};
-    }
-}
-
 my ($inhead1, $inhead2, $initem);
 
 sub podset {