From 32dce36087c35668b74815e0f88eefce250d31a9 Mon Sep 17 00:00:00 2001
From: Niels Thykier <niels@thykier.net>
Date: Fri, 17 May 2019 20:19:27 +0000
Subject: dh_perl: Fix code for pruning usr/share/doc

Signed-off-by: Niels Thykier <niels@thykier.net>
---
 debian/changelog |  2 ++
 dh_perl          | 17 ++++++++++++-----
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/debian/changelog b/debian/changelog
index a27f20bc..712000f6 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,8 @@ debhelper (12.1.2) UNRELEASED; urgency=medium
     value of the last error (if any).
   * Buildsystem/make: Fix regression where cross-flags were
     passed in a non-cross build.  (Closes: #925175)
+  * dh_perl: Fix code to prune (skip) /usr/share/doc which
+    never worked.
 
   [ Helmut Grohne ]
   * Buildsystem/cmake: Fix CMAKE_SYSTEM_PROCESSOR for mips64el.
diff --git a/dh_perl b/dh_perl
index 36637829..d79b7957 100755
--- a/dh_perl
+++ b/dh_perl
@@ -109,19 +109,26 @@ foreach my $package (@{$dh{DOPACKAGES}}) {
 	}, @dirs if @dirs;
 
 	# find scripts
-	find sub {
-		return unless -f and (-x _ or /\.pl$/);
-		if ($File::Find::dir =~ m{/usr/share/doc/}) {
-			$File::Find::prune = 1 if -d _;
+	$tmp =~ tr:/:/:s;
+	$tmp =~ s{[^/]\K/$}{};
+	my $usd_dir = "$tmp/usr/share/doc";
+	my $check_script = sub {
+		if ($_ eq $usd_dir) {
+			$File::Find::prune = 1 if -d $_;
 			return;
 		}
+		return unless -f and (-x _ or /\.pl$/);
 
 		return unless open(my $fd, '<', $_);
 		if (read($fd, local $_, 32) and m%^#!\s*(/usr/bin/perl|/usr/bin/env\s+perl)\s%) {
 			$deps |= PROGRAM;
 		}
 		close($fd);
-	}, $tmp;
+	};
+	find({
+		wanted => $check_script,
+		no_chdir => 1,
+	}, $tmp);
 
 	if ($deps) {
 		my $version="";
-- 
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