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Merge pull request #1474 from contivero/unset-flags 

Check unset flags under dash and POSIX sh
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Vidar Holen 2019-01-26 20:11:03 -08:00 committed by GitHub
parent 2737496b3a 31c5601c5e
commit fb7ac3f57e
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1 changed files with 4 additions and 1 deletions
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5
src/ShellCheck/Checks/ShellSupport.hs
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@ -152,6 +152,8 @@ prop_checkBashisms69 = verifyNot checkBashisms "#!/bin/sh\numask -S"
prop_checkBashisms70 = verify checkBashisms "#!/bin/sh\ntrap -l"
prop_checkBashisms71 = verify checkBashisms "#!/bin/sh\ntype -a ls"
prop_checkBashisms72 = verifyNot checkBashisms "#!/bin/sh\ntype ls"
prop_checkBashisms73 = verify checkBashisms "#!/bin/sh\nunset -n namevar"
prop_checkBashisms74 = verifyNot checkBashisms "#!/bin/sh\nunset -f namevar"
checkBashisms = ForShell [Sh, Dash] $ \t -> do
params <- ask
kludge params t
@ -306,7 +308,8 @@ checkBashisms = ForShell [Sh, Dash] $ \t -> do
("trap", Just []),
("type", Just []),
("ulimit", if isDash then Nothing else Just ["f"]),
("umask", Just ["S"])
("umask", Just ["S"]),
("unset", Just ["f", "v"])
]
bashism t@(T_SourceCommand id src _) =
let name = fromMaybe "" $ getCommandName src