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authorDaniel Gröber <dxld@darkboxed.org>2018-10-12 00:41:38 +0200
committerDaniel Gröber <dxld@darkboxed.org>2018-10-26 04:33:07 +0200
commitfbbb3590c7f6eca69a5c77a5215c29363595cd0d (patch)
tree5ba24da49a6579fdb4dd3f28459f75bf9f9931c9 /src/CabalHelper/Shared/Common.hs
parente6d50e71f0b11377c3839eee52ca08345bce7e8a (diff)
Move 'mightExist' to Common module
Diffstat (limited to 'src/CabalHelper/Shared/Common.hs')
-rw-r--r--src/CabalHelper/Shared/Common.hs5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/CabalHelper/Shared/Common.hs b/src/CabalHelper/Shared/Common.hs
index 8e8418b..d60e745 100644
--- a/src/CabalHelper/Shared/Common.hs
+++ b/src/CabalHelper/Shared/Common.hs
@@ -162,3 +162,8 @@ readPackageDescription = P.readGenericPackageDescription
#else
readPackageDescription = P.readPackageDescription
#endif
+
+mightExist :: FilePath -> IO (Maybe FilePath)
+mightExist f = do
+ exists <- doesFileExist f
+ return $ if exists then (Just f) else (Nothing)