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Warn about non-POSIX case modification expansions (fixes #1977)

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Vidar Holen
2020-07-22 17:32:00 -07:00
parent 7a9dbc042b
commit 5b86777f9d
1 changed files with 3 additions and 0 deletions
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3
src/ShellCheck/Checks/ShellSupport.hs
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@@ -178,6 +178,8 @@ prop_checkBashisms93 = verify checkBashisms "#!/bin/sh\necho $(( 10#$(date +%m)
prop_checkBashisms94 = verify checkBashisms "#!/bin/sh\n[ -v var ]"
prop_checkBashisms95 = verify checkBashisms "#!/bin/sh\necho $_"
prop_checkBashisms96 = verifyNot checkBashisms "#!/bin/dash\necho $_"
prop_checkBashisms97 = verify checkBashisms "#!/bin/sh\necho ${var,}"
prop_checkBashisms98 = verify checkBashisms "#!/bin/sh\necho ${var^^}"
checkBashisms = ForShell [Sh, Dash] $ \t -> do
params <- ask
kludge params t
@@ -407,6 +409,7 @@ checkBashisms = ForShell [Sh, Dash] $ \t -> do
(re $ "^![" ++ varChars ++ "]+[*@]$", "name matching prefixes are"),
(re $ "^[" ++ varChars ++ "*@]+:[^-=?+]", "string indexing is"),
(re $ "^([*@][%#]|#[@*])", "string operations on $@/$* are"),
(re $ "^[" ++ varChars ++ "*@]+(\\[.*\\])?[,^]", "case modification is"),
(re $ "^[" ++ varChars ++ "*@]+(\\[.*\\])?/", "string replacement is")
]
bashVars = [