hush: fix quoted "${notexist-}" expansion to not disappear

function old new delta expand_one_var 2296 2311 +15 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-05-15 13:39:19 +02:00
parent 8402969d48
commit 9e0adb9b09
5 changed files with 20 additions and 0 deletions
--- a/shell/ash_test/ash-vars/param_expand_default.right
+++ b/shell/ash_test/ash-vars/param_expand_default.right
@@ -5,3 +5,5 @@ _aaaa _aaaa _aaaa _aaaa _aaaa
 _ _ _ _word _word
 _ _ _ _ _word
 _fff _fff _fff _fff _fff
+1:1
+0:0