Add support for ReorderModule settings and add some

misc/settings.txt

@@ -1,9 +1,7 @@
--- A list of tag renamings, installed as a data file on the users machine.
--- Used to when the same semantic value is used multiple times with
--- typos/names/capitalisation.
---
--- This file is global and applies to all Cabal files.
+-- A list of settings, installed as a data file on the users machine.
 
+-- Applied to cabal fields when the same semantic value is used multiple times with
+-- typos/names/capitalisation.
 RenameTag "Silk-B.V." "Silk"
 RenameTag "Silk.-B.V." "Silk"
 RenameTag "Michael-snoyman" "Michael-Snoyman"
@@ -26,3 +24,11 @@ RenameTag "Error-handling" "Error-Handling"
 RenameTag "Daniel-Schüssler" "Daniel Schüssler"
 RenameTag "Various" ""
 RenameTag "Various;-see-individual-modules" ""
+
+-- Reorder modules so the common things come first
+ReorderModule "base" "Prelude"        1009
+ReorderModule "base" "Data.List"      1008
+ReorderModule "base" "Data.Maybe"     1007
+ReorderModule "base" "Data.Function"  1006
+ReorderModule "base" "Control.Monad"  1005
+ReorderModule "base" "GHC.*"        (-1000)

src/Input/Settings.hs

@@ -16,6 +16,9 @@ data Setting
     = -- | Given a Cabal tag/author rename it from the LHS to the RHS.
       --   If the RHS is blank, delete the tag.
       RenameTag String String
+    | -- | Change the priority of a module. Given package name, module name, new priority.
+      --   Use * for wildcard matches. All un-reordered modules are 0
+      ReorderModule String String Int
     deriving Read