From d12b0fe7a0bf20c297f5606ec5d713605dcf7d69 Mon Sep 17 00:00:00 2001
From: Pascal Rigaux <pixel@mandriva.com>
Date: Fri, 22 Jun 2007 06:43:25 +0000
Subject: add option --allow-empty-media

---
 genhdlist2 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/genhdlist2 b/genhdlist2
index 10ae6e7..4dedd25 100644
--- a/genhdlist2
+++ b/genhdlist2
@@ -21,6 +21,7 @@ sub main() {
 	'no-bad-rpm' => \$options{no_bad_rpm},
 	'no-md5sum' => \$options{no_md5sum},
 	'nolock' => \$options{nolock},
+	'allow-empty-media' => \$options{allow_empty_media},
 	'file-deps=s' => \$options{file_deps},
 	'h|help' => sub { usage(); exit 0 },
 	'q|quiet' => sub { $options{verbose} = -1 },
@@ -44,7 +45,8 @@ sub do_it {
     $verbose  = $options{verbose};
     $no_bad_rpm = $options{no_bad_rpm};
 
-    my @rpms = grep { /\.rpm$/ } all($rpms_dir) or die "no *.rpm found in $rpms_dir\n";
+    my @rpms = grep { /\.rpm$/ } all($rpms_dir);
+    @rpms || $options{allow_empty_media} or die "no *.rpm found in $rpms_dir\n";
 
     my $media_info_dir = "$rpms_dir/media_info";
     -e $media_info_dir || mkdir $media_info_dir or die "Can't mkdir $media_info_dir: $!n";
@@ -263,6 +265,11 @@ Don't lock the media (can be useful when locks fail, eg NFS). Since the lock
 is used to verify no other genhdlist2 process is running on the same media, it
 is a dangerous option.
 
+=item B<--allow-empty-media>
+
+By default if no *.rpm files are found, F<genhdlist2> will exit on error.
+To allow building empty media, use this option.
+
 =item B<-v>
 
 Be verbose. Use one more B<-v> to get even more verbose.
-- 
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