hush: fix a corner case of empty "do \n done" structure

The structure is:

    while cmd; do
    done

bash doesn't accept it at all. We were accepting it but execution
was buggy.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-05-31 17:35:45 +02:00
parent 14f55538f0
commit 00ae989ee5
3 changed files with 9 additions and 1 deletions

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@@ -0,0 +1 @@
OK:0

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@@ -0,0 +1,4 @@
while false; do
# bash will require at least ":" here...
done
echo OK:$?