hush: fix a few more corner cases with empty-expanding cmds

See added testcases

function                                             old     new   delta
run_pipe                                            1723    1784     +61

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-04-05 15:15:53 +02:00
parent 41d8f10813
commit 21b7f1b6b6
5 changed files with 46 additions and 8 deletions

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@@ -0,0 +1 @@
Two:2 v:[]

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@@ -0,0 +1,3 @@
v=v
v=`exit 2` `false`
echo Two:$? v:"[$v]"