Initial implementation of bindist comparison tool

[ghc-hetmet.git] / distrib / compare / Problem.hs

diff --git a/distrib/compare/Problem.hs b/distrib/compare/Problem.hs
new file mode 100644 (file)
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+++ b/distrib/compare/Problem.hs
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+
+module Problem where
+
+data FileProblem = First  Problem
+                 | Second Problem
+                 | Change Problem
+
+data Problem = DuplicateFile FilePath
+             | ExtraFile FilePath
+             | PermissionsChanged FilePath FilePath String String
+             | FileSizeChanged FilePath FilePath Integer Integer
+
+pprFileProblem :: FileProblem -> String
+pprFileProblem (First  p) = "First  " ++ pprProblem p
+pprFileProblem (Second p) = "Second " ++ pprProblem p
+pprFileProblem (Change p) = "Change " ++ pprProblem p
+
+pprProblem :: Problem -> String
+pprProblem (DuplicateFile fp) = "Duplicate file: " ++ show fp
+pprProblem (ExtraFile fp) = "Extra file: " ++ show fp
+pprProblem (PermissionsChanged fp1 fp2 p1 p2)
+    = "Permissions changed:\n"
+   ++ "    " ++ show fp1
+   ++ "    " ++ show fp2
+   ++ "    " ++ p1 ++ "  ->  " ++ p2
+pprProblem (FileSizeChanged fp1 fp2 s1 s2)
+    = "Size changed:\n"
+   ++ "    " ++ show fp1 ++ "\n"
+   ++ "    " ++ show fp2 ++ "\n"
+   ++ "    " ++ show s1 ++ "  ->  " ++ show s2
+