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Warn when using a glob as a command name.

This commit is contained in:
Vidar Holen 2017-04-15 19:53:09 -07:00
parent 4fb1080809
commit 7604e5eb58
1 changed files with 12 additions and 1 deletions
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13
ShellCheck/Analytics.hs
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@ -162,6 +162,7 @@ nodeChecks = [
,checkSubshellAsTest
,checkSplittingInArrays
,checkRedirectionToNumber
,checkGlobAsCommand
]
@ -1940,8 +1941,9 @@ checkUnassignedReferences params t = warnings
prop_checkGlobsAsOptions1 = verify checkGlobsAsOptions "rm *.txt"
prop_checkGlobsAsOptions2 = verify checkGlobsAsOptions "ls ??.*"
prop_checkGlobsAsOptions3 = verifyNot checkGlobsAsOptions "rm -- *.txt"
prop_checkGlobsAsOptions4 = verifyNot checkGlobsAsOptions "*.txt"
checkGlobsAsOptions _ (T_SimpleCommand _ _ args) =
mapM_ check $ takeWhile (not . isEndOfArgs) args
mapM_ check $ takeWhile (not . isEndOfArgs) (drop 1 args)
where
check v@(T_NormalWord _ (T_Glob id s:_)) | s == "*" || s == "?" =
info id 2035 "Use ./*glob* or -- *glob* so names with dashes won't become options."
@ -2808,5 +2810,14 @@ checkRedirectionToNumber _ t = case t of
return $ warn id 2210 "This is a file redirection. Was it supposed to be a comparison or fd operation?"
_ -> return ()
prop_checkGlobAsCommand1 = verify checkGlobAsCommand "foo*"
prop_checkGlobAsCommand2 = verify checkGlobAsCommand "$(var[i])"
prop_checkGlobAsCommand3 = verifyNot checkGlobAsCommand "echo foo*"
checkGlobAsCommand _ t = case t of
T_SimpleCommand _ _ (first:_) ->
when (isGlob first) $
warn (getId first) 2211 "This is a glob used as a command name. Was it supposed to be in ${..}, array, or is it missing quoting?"
_ -> return ()
return []
runTests = $( [| $(forAllProperties) (quickCheckWithResult (stdArgs { maxSuccess = 1 }) ) |])