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Alias ash to dash with warning.

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This commit is contained in:
Vidar Holen
2016-12-10 10:57:01 -08:00
parent cf1c46d852
commit fee6c94d40
4 changed files with 27 additions and 5 deletions
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8
ShellCheck/AnalyzerLib.hs
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@@ -153,6 +153,7 @@ prop_determineShell4 = determineShell (fromJust $ pScript
prop_determineShell5 = determineShell (fromJust $ pScript
"#shellcheck shell=sh\nfoo") == Sh
prop_determineShell6 = determineShell (fromJust $ pScript "#! /bin/sh") == Sh
prop_determineShell7 = determineShell (fromJust $ pScript "#! /bin/ash") == Dash
determineShell t = fromMaybe Bash $ do
shellString <- foldl mplus Nothing $ getCandidates t
shellForExecutable shellString
@@ -166,8 +167,13 @@ determineShell t = fromMaybe Bash $ do
getCandidates (T_Annotation _ annotations s) =
map forAnnotation annotations ++
[Just $ fromShebang s]
fromShebang (T_Script _ s t) = shellFor s
fromShebang (T_Script _ s t) = executableFromShebang s
-- Given a string like "/bin/bash" or "/usr/bin/env dash",
-- return the shell basename like "bash" or "dash"
executableFromShebang :: String -> String
executableFromShebang = shellFor
where
shellFor s | "/env " `isInfixOf` s = head (drop 1 (words s)++[""])
shellFor s | ' ' `elem` s = shellFor $ takeWhile (/= ' ') s
shellFor s = reverse . takeWhile (/= '/') . reverse $ s