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Don't warn about LINENO in dash

This commit is contained in:
Vidar Holen 2016-04-09 09:56:07 -07:00
parent a5821c3a4d
commit 9911470d67
1 changed files with 6 additions and 2 deletions
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8
ShellCheck/Analytics.hs
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@ -635,6 +635,8 @@ prop_checkBashisms44= verifyNot checkBashisms "#!/bin/dash\ntrap foo int"
prop_checkBashisms45= verifyNot checkBashisms "#!/bin/dash\ntrap foo INT"
prop_checkBashisms46= verify checkBashisms "#!/bin/dash\ntrap foo SIGINT"
prop_checkBashisms47= verify checkBashisms "#!/bin/dash\necho foo 42>/dev/null"
prop_checkBashisms48= verifyNot checkBashisms "#!/bin/dash\necho $LINENO"
prop_checkBashisms49= verify checkBashisms "#!/bin/dash\necho $MACHTYPE"
checkBashisms params = bashism
where
isDash = shellType params == Dash
@ -789,9 +791,11 @@ checkBashisms params = bashism
"DIRSTACK", "EUID", "UID", "SHLVL", "PIPESTATUS", "SHELLOPTS"
]
bashDynamicVars = [ "RANDOM", "SECONDS" ]
dashVars = [ "LINENO" ]
isBashVariable var =
var `elem` bashDynamicVars
|| var `elem` bashVars && not (isAssigned var)
(var `elem` bashDynamicVars
|| var `elem` bashVars && not (isAssigned var))
&& not (isDash && var `elem` dashVars)
isAssigned var = any f (variableFlow params)
where
f x = case x of