[PATCH 1/7] dtas-console: avoid using current if it is nil

[Eric Wong]

We may get a pause event when we do not have a valid current
hash.
---
 bin/dtas-console | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bin/dtas-console b/bin/dtas-console
index eb246ee..0cb14fa 100755
--- a/bin/dtas-console
+++ b/bin/dtas-console
@@ -157,7 +157,9 @@ begin
         event = w.res_wait
         case event
         when "pause"
-          pause = current['infile'] || current['command']
+          if current
+            pause = current['infile'] || current['command']
+          end
         when %r{\Afile }
           pause = nil
         end
-- 
1.8.4