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Improve and deduplicate string comparison warnings.

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This commit is contained in:
Vidar Holen 2017-04-22 20:52:21 -07:00
parent 9c4f651e6b
commit 324aa3cc88
2 changed files with 27 additions and 20 deletions
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7
ShellCheck/Checks/ShellSupport.hs
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@ -161,10 +161,15 @@ checkBashisms = ForShell [Sh, Dash] $ \t -> do
bashism (T_Condition id DoubleBracket _) = warnMsg id "[[ ]] is"
bashism (T_HereString id _) = warnMsg id "here-strings are"
bashism (TC_Binary id SingleBracket op _ _)
| op `elem` [ "-nt", "-ef", "\\<", "\\>"] =
| op `elem` [ "<", ">", "\\<", "\\>", "<=", ">=", "\\<=", "\\>="] =
unless isDash $ warnMsg id $ "lexicographical " ++ op ++ " is"
bashism (TC_Binary id SingleBracket op _ _)
| op `elem` [ "-nt", "-ef" ] =
unless isDash $ warnMsg id $ op ++ " is"
bashism (TC_Binary id SingleBracket "==" _ _) =
warnMsg id "== in place of = is"
bashism (TC_Binary id SingleBracket "=~" _ _) =
warnMsg id "=~ regex matching is"
bashism (TC_Unary id _ "-a" _) =
warnMsg id "unary -a in place of -e is"
bashism (TA_Unary id op _)