File 0006-Preserve-the-license-header-found-in-the-o... of Package rubygem-gem2rpm

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File 0006-Preserve-the-license-header-found-in-the-output-file.patch of Package rubygem-gem2rpm (Revision 78e92c8a07e9079b31d24bc9fdb0f49b)

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From 0f22d81f982e02523c852521a5b94db657fe6673 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcus=20R=C3=BCckert?= <mrueckert@suse.de>
Date: Thu, 24 Jul 2014 17:17:33 +0200
Subject: [PATCH 06/33] Preserve the license header found in the output file

---
 bin/gem2rpm    | 13 +++++++++++--
 lib/gem2rpm.rb |  5 ++++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/bin/gem2rpm b/bin/gem2rpm
index 7f28603..8a6db05 100755
--- a/bin/gem2rpm
+++ b/bin/gem2rpm
@@ -145,12 +145,21 @@ if config_file
 end
 
 # Produce a specfile
+oldlicense = nil
 if output_file.nil?
-    Gem2Rpm::convert(gemfile, template, $stdout, nongem, local, doc_subpackage, config) unless deps
+    Gem2Rpm::convert(gemfile, template, $stdout, nongem, local, doc_subpackage, oldlicense, config) unless deps
 else
     begin
+        if File.exists?(output_file)
+          File.open(output_file, 'r') do |oldfile|
+            oldfile.each_line do |line|
+              m = line.match(%r{^License:\s*(\w.*)$})
+              oldlicense = m[1] if m
+            end
+          end
+        end
         out = open(output_file, "w")
-        Gem2Rpm::convert(gemfile, template, out, nongem, local, doc_subpackage, config)
+        Gem2Rpm::convert(gemfile, template, out, nongem, local, doc_subpackage, oldlicense, config)
     ensure
         out.close()
     end
diff --git a/lib/gem2rpm.rb b/lib/gem2rpm.rb
index 5261ae1..d30e0f6 100644
--- a/lib/gem2rpm.rb
+++ b/lib/gem2rpm.rb
@@ -31,11 +31,14 @@ module Gem2Rpm
   end
 
   def Gem2Rpm.convert(fname, template=TEMPLATE, out=$stdout,
-                      nongem=true, local=false, doc_subpackage = true, config={})
+                      nongem=true, local=false, doc_subpackage = true, oldlicense=nil, config={})
     package = Gem2Rpm::Package.new(fname)
     # Deprecate, kept just for backward compatibility.
     format = Gem2Rpm::Format.new(package)
     spec = Gem2Rpm::Specification.new(package.spec)
+    if spec.licenses.empty? && oldlicense
+      spec.licenses = oldlicense.split(' and ')
+    end
     config ||= {}
     download_path = ""
     unless local
-- 
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File 0006-Preserve-the-license-header-found-in-the-output-file.patch of Package rubygem-gem2rpm (Revision 78e92c8a07e9079b31d24bc9fdb0f49b)

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