handle case when log file does not exist

itbidhan · Apr 1, 2014 · a32cda3 · a32cda3
1 parent 6cf79f5
commit a32cda3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/conda/cli/main_list.py b/conda/cli/main_list.py
@@ -163,8 +163,11 @@ def execute(args, parser):
     if args.revisions:
         from conda.history import History
 
-        with History(prefix) as h:
+        h = History(prefix)
+        if isfile(h.path):
             h.print_log()
+        else:
+            sys.stderr.write("No revision log found: %s\n" % h.path)
         return
 
     if args.canonical: