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Don't suggset quoting in grep -- -foo bar* (#517)

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This commit is contained in:
Vidar Holen
2017-09-09 16:57:06 -07:00
parent bd2facb245
commit b0f6f935f3
1 changed files with 13 additions and 2 deletions
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15
ShellCheck/Checks/Commands.hs
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@@ -198,6 +198,7 @@ prop_checkGrepRe9 = verifyNot checkGrepRe "grep '[0-9]*' file"
prop_checkGrepRe10= verifyNot checkGrepRe "grep '^aa*' file" prop_checkGrepRe10= verifyNot checkGrepRe "grep '^aa*' file"
prop_checkGrepRe11= verifyNot checkGrepRe "grep --include=*.png foo" prop_checkGrepRe11= verifyNot checkGrepRe "grep --include=*.png foo"
prop_checkGrepRe12= verifyNot checkGrepRe "grep -F 'Foo*' file" prop_checkGrepRe12= verifyNot checkGrepRe "grep -F 'Foo*' file"
prop_checkGrepRe13= verifyNot checkGrepRe "grep -- -foo bar*"
checkGrepRe = CommandCheck (Basename "grep") check where checkGrepRe = CommandCheck (Basename "grep") check where
check cmd = f cmd (arguments cmd) check cmd = f cmd (arguments cmd)
@@ -205,8 +206,18 @@ checkGrepRe = CommandCheck (Basename "grep") check where
skippable (Just s) = not ("--regex=" `isPrefixOf` s) && "-" `isPrefixOf` s skippable (Just s) = not ("--regex=" `isPrefixOf` s) && "-" `isPrefixOf` s
skippable _ = False skippable _ = False
f _ [] = return () f _ [] = return ()
f cmd (x:r) | skippable (getLiteralStringExt (const $ return "_") x) = f cmd r f cmd (x:r) =
f cmd (re:_) = do let str = getLiteralStringExt (const $ return "_") x
in
if str == Just "--"
then checkRE cmd r -- Regex is *after* this
else
if skippable str
then f cmd r -- Regex is elsewhere
else checkRE cmd (x:r) -- Regex is this
checkRE _ [] = return ()
checkRE cmd (re:_) = do
when (isGlob re) $ when (isGlob re) $
warn (getId re) 2062 "Quote the grep pattern so the shell won't interpret it." warn (getId re) 2062 "Quote the grep pattern so the shell won't interpret it."