Ensure signature file exists before copying it to the temp directory.

1 files changed, 11 insertions, 8 deletions

diff --git a/main.cxx b/main.cxx
index 73955f24..56d70b85 100644
--- a/main.cxx
+++ b/main.cxx
@@ -1175,14 +1175,17 @@ main (int argc, char * const argv [])
 	  // Save the signature as well.
 	  assert (! s.cert_db_path.empty());
 	  module_src_path += ".sgn";
-	  module_dest_path += ".sgn";
-
-	  if (s.verbose > 1)
-	    clog << "Copying " << module_src_path << " to "
-		 << module_dest_path << endl;
-	  if (copy_file(module_src_path.c_str(), module_dest_path.c_str()) != 0)
-	    cerr << "Copy failed (\"" << module_src_path << "\" to \""
-		 << module_dest_path << "\"): " << strerror(errno) << endl;
+	  if (file_exists (module_src_path))
+	    {
+	      module_dest_path += ".sgn";
+
+	      if (s.verbose > 1)
+		clog << "Copying " << module_src_path << " to "
+		     << module_dest_path << endl;
+	      if (copy_file(module_src_path.c_str(), module_dest_path.c_str()) != 0)
+		cerr << "Copy failed (\"" << module_src_path << "\" to \""
+		     << module_dest_path << "\"): " << strerror(errno) << endl;
+	    }
 #endif
 	}
     }