From b5712bc3650a2c2d38ec5e8e4021ff4b5965dd87 Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph@amissah.com>
Date: Mon, 5 Sep 2011 10:48:00 -0400
Subject: v3: Dir.chdir, remove "system cd" (change directory) use Dir.chdir

---
 lib/sisu/v3/epub.rb | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

(limited to 'lib/sisu/v3/epub.rb')

diff --git a/lib/sisu/v3/epub.rb b/lib/sisu/v3/epub.rb
index 42bc6cd9..12ec1ce0 100644
--- a/lib/sisu/v3/epub.rb
+++ b/lib/sisu/v3/epub.rb
@@ -670,14 +670,17 @@ module SiSU_EPUB
       end
       def output_zip
         mkdir_p(@md.file.output_path.epub.dir) unless FileTest.directory?(@md.file.output_path.epub.dir)
-        system("
-          cd #{@md.env.processing_path.epub}
-          zip -qXr9D #{@epub_doc} *
-          mv #{@epub_doc} #{@md.file.place_file.epub.dir}
-          cd #{Dir.pwd}
-        ")
-        unless @md.opt.cmd.inspect =~/M/
-          system("rm -r #{@md.env.processing_path.epub}")
+        if FileTest.directory?(@md.env.processing_path.epub)
+          pwd=Dir.pwd
+          Dir.chdir(@md.env.processing_path.epub)
+          system("
+            zip -qXr9D #{@epub_doc} *
+            mv #{@epub_doc} #{@md.file.place_file.epub.dir}
+          ")
+          Dir.chdir(pwd)
+          unless @md.opt.cmd.inspect =~/M/
+            system("rm -r #{@md.env.processing_path.epub}")
+          end
         end
       end
       def segtoc
-- 
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