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Check for [[ $foo =~ '.*' ]]

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This commit is contained in:
Vidar Holen
2012-11-28 00:16:08 -08:00
parent 01d3e5e858
commit 3b1ec7f84e
1 changed files with 14 additions and 0 deletions
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14
ShellCheck/Analytics.hs
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@@ -71,6 +71,7 @@ basicChecks = [
,checkGrepRe ,checkGrepRe
,checkDollarArithmeticCommand ,checkDollarArithmeticCommand
,checkExpr ,checkExpr
,checkQuotedCondRegex
] ]
modifyMap = modify modifyMap = modify
@@ -347,6 +348,19 @@ checkNumberComparisons (TC_Binary id typ op lhs rhs)
eqv _ = "the numerical equivalent" eqv _ = "the numerical equivalent"
checkNumberComparisons _ = return () checkNumberComparisons _ = return ()
prop_checkQuotedCondRegex1 = verify checkQuotedCondRegex "[[ $foo =~ \"bar\" ]]"
prop_checkQuotedCondRegex2 = verify checkQuotedCondRegex "[[ $foo =~ 'cow' ]]"
prop_checkQuotedCondRegex3 = verifyNot checkQuotedCondRegex "[[ $foo =~ $foo ]]"
checkQuotedCondRegex (TC_Binary _ _ "=~" _ rhs) =
case rhs of
T_NormalWord id [T_DoubleQuoted _ _] -> error id
T_NormalWord id [T_SingleQuoted _ _] -> error id
_ -> return ()
where
error id = err id $ "Don't quote rhs of =~, it'll match literally rather than as a regex."
checkQuotedCondRegex _ = return ()
prop_checkConstantIfs1 = verify checkConstantIfs "[[ foo != bar ]]" prop_checkConstantIfs1 = verify checkConstantIfs "[[ foo != bar ]]"
prop_checkConstantIfs2 = verify checkConstantIfs "[[ n -le 4 ]]" prop_checkConstantIfs2 = verify checkConstantIfs "[[ n -le 4 ]]"
prop_checkConstantIfs3 = verify checkConstantIfs "[[ $n -le 4 && n -ge 2 ]]" prop_checkConstantIfs3 = verify checkConstantIfs "[[ $n -le 4 && n -ge 2 ]]"