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Try best-guess tactic if file to be redirected doesn't exist

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This commit is contained in:
Nikolay Yakimov 2015-07-03 19:35:22 +03:00
parent a0cf585939
commit 267edfebe3
1 changed files with 4 additions and 1 deletions
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5
Language/Haskell/GhcMod/FileMapping.hs
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@ -52,7 +52,10 @@ getCanonicalFileName :: IOish m => FilePath -> GhcModT m FilePath
getCanonicalFileName fn = do
crdl <- cradle
let ccfn = cradleCurrentDir crdl </> fn
liftIO $ canonicalizePath ccfn
fex <- liftIO $ doesFileExist ccfn
if fex
then liftIO $ canonicalizePath ccfn
else return ccfn
unloadMappedFile :: IOish m => FilePath -> GhcModT m ()
unloadMappedFile = (delMMappedFile =<<) . getCanonicalFileName