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Warn about suspiciously unquoted literal parts like "var="value""

This commit is contained in:
Vidar Holen 2014-05-07 21:47:27 -07:00
parent e96c4c3ffa
commit 558d8ffc6c
1 changed files with 9 additions and 4 deletions
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13
ShellCheck/Analytics.hs
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@ -1605,6 +1605,8 @@ checkIndirectExpansion _ _ = return ()
prop_checkInexplicablyUnquoted1 = verify checkInexplicablyUnquoted "echo 'var='value';'"
prop_checkInexplicablyUnquoted2 = verifyNot checkInexplicablyUnquoted "'foo'*"
prop_checkInexplicablyUnquoted3 = verifyNot checkInexplicablyUnquoted "wget --user-agent='something'"
prop_checkInexplicablyUnquoted4 = verify checkInexplicablyUnquoted "echo \"VALUES (\"id\")\""
prop_checkInexplicablyUnquoted5 = verifyNot checkInexplicablyUnquoted "\"$dir\"/\"$file\""
checkInexplicablyUnquoted _ (T_NormalWord id tokens) = mapM_ check (tails tokens)
where
check ((T_SingleQuoted _ _):(T_Literal id str):_)
@ -1613,13 +1615,16 @@ checkInexplicablyUnquoted _ (T_NormalWord id tokens) = mapM_ check (tails tokens
check ((T_DoubleQuoted _ _):trapped:(T_DoubleQuoted _ _):_) =
case trapped of
T_DollarExpansion id _ -> warnAbout id
T_DollarBraced id _ -> warnAbout id
T_DollarExpansion id _ -> warnAboutExpansion id
T_DollarBraced id _ -> warnAboutExpansion id
T_Literal id s -> unless (s == "/") $ warnAboutLiteral id
_ -> return ()
check _ = return ()
warnAbout id =
info id 2027 $ "Surrounding quotes actually unquotes this (\"inside\"$outside\"inside\"). Did you forget your quote level?"
warnAboutExpansion id =
warn id 2027 $ "The surrounding quotes actually unquote this. Remove or escape them."
warnAboutLiteral id =
warn id 2140 $ "The double quotes around this do nothing. Remove or escape them."
checkInexplicablyUnquoted _ _ = return ()
prop_checkTildeInQuotes1 = verify checkTildeInQuotes "var=\"~/out.txt\""