From cbe38aac1a2fbde6d16d0720655d6a5adc3d07b1 Mon Sep 17 00:00:00 2001
From: root <jan.kratochvil@redhat.com>
Date: Wed, 6 Nov 2019 11:22:36 +0100
Subject: [PATCH 1/1] rpmsafereduce: +$IGNORE_D,die->carp

---
 bin/rpmsafereduce | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/bin/rpmsafereduce b/bin/rpmsafereduce
index dc793e9..5a7922c 100755
--- a/bin/rpmsafereduce
+++ b/bin/rpmsafereduce
@@ -1,12 +1,15 @@
 #! /usr/bin/perl
 # rpmsafe|sort -u|rpmsafereduce >EXCLUDE-FILELIST
+use Carp;
+my $IGNORE_D;
+#$IGNORE_D=1; # Do not backup directory entry itself even if it is missing in rpms. 581692 -> 37998 vs. 44248
 use strict;
 use warnings;
 sub slashes($) {
   my($s)=@_;
   (my $sl=$s)=~tr{/}{}cd;
   $sl=length $sl;
-  $sl>=1 or die $_;
+  $sl>=1 or carp "<$s>";
   return $sl;
 }
 my(%d,%f,%t);
@@ -14,15 +17,16 @@ my $l;
 while (<>) {
   chomp;
   next if $_ eq "/";
-  die $_ if m{//};
-  m{^/} or die $_;
-  die $_ if m{/$};
-  die "sort -u: $l >= $_" if $l && $l ge $_;
+  carp $_ if m{//};
+  m{^/} or carp $_;
+  carp $_ if m{/$};
+  carp "sort -u: $l >= $_" if $l && $l ge $_;
   $l=$_;
   my $sl=slashes $_;
   $d{$_}=$sl if -d;
   $f{$_}=$sl if -f;
-  s{/[^/]*$}{} or die $_;
+  s{/[^/]*$}{} or carp $_;
+  $d{$_}=$sl-1 if $IGNORE_D && $_ ne "";
   $t{$_}=1 if $d{$_};
 }
 my $time;
@@ -38,7 +42,7 @@ while (%t) {
     }
     my $t=shift @t;
     next if !$d{$t}&&!$f{$t};
-    opendir DIR,$t or die "$t: $!";
+    opendir DIR,$t or carp "$t: $!";
     my $ok=1;
     local $_;
     my @d;
@@ -51,16 +55,16 @@ while (%t) {
       $ok=0;
       last;
     }
-    closedir DIR or die "$t: $!";
+    closedir DIR or carp "$t: $!";
     next if !$ok;
     for my $d (@d) {
       delete $f{"$t/$d"};
       delete $t{"$t/$d"};
     }
     $f{$t}=slashes $t;
-    $t=~s{/[^/]*$}{} or die $t;
-    $d{$t}=slashes $t;
-    $t{$t}=1;
+    $t=~s{/[^/]*$}{} or carp $t;
+    $d{$t}=slashes $t if $IGNORE_D && $t ne "";
+    $t{$t}=1 if $d{$t};
   }
 }
 for my $f (sort keys(%f)) {
-- 
1.8.3.1