makeRelative package:Cabal-syntax

makeRelativePathEx :: HasCallStack => FilePath -> RelativePath from to
Cabal-syntax Distribution.Utils.Path
Make a RelativePath, ensuring the path is not absolute, but performing no further checks.
tryMakeRelative :: Maybe (SymbolicPath CWD (Dir dir)) -> SymbolicPath dir to -> IO (SymbolicPath dir to)
Cabal-syntax Distribution.Utils.Path
Try to make a symbolic path relative. This function does nothing if the path is already relative. NB: this function may fail to make the path relative.