b28d4c3462
Upstream commit:
Date: Tue, 25 May 2010 20:55:05 +0800
[VAR] Move unsetvar functionality into setvareq
This patch moves the unsetvar code into setvareq so that we can
no have a pathological case of an unset variable hanging around
unless it has a bit pinning it like VEXPORT.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
function old new delta
setvareq 227 303 +76
expmeta 517 521 +4
localcmd 364 366 +2
unsetcmd 96 76 -20
unsetvar 129 7 -122
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/2 up/down: 82/-142) Total: -60 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
41 lines
609 B
Plaintext
Executable File
41 lines
609 B
Plaintext
Executable File
# check invalid options are rejected
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# bash: in posix mode, aborts if non-interactive; using subshell to avoid that
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(unset -)
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echo $?
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(unset -m a b c)
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echo $?
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# check funky usage
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unset
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echo $?
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# check normal usage
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echo ___
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f=f g=g
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echo $? $f $g
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unset f
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echo $? $f $g
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unset g
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echo $? $f $g
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echo ___
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f=f g=g
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echo $? $f $g
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unset f g
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echo $? $f $g
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f=f g=g
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echo $? $f $g
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unset -v f g
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echo $? $f $g
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# check read only vars
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echo ___
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f=f g=g
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VAR_RO=1
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readonly VAR_RO
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(unset VAR_RO)
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echo $? $f $g
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# not testing "do variables survive error halfway through unset" since unset aborts
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# unset f VAR_RO g
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#echo $? $f $g
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