move some code around

Locations.hs

@@ -1,6 +1,6 @@
 {- git-annex file locations
  -
- - Copyright 2010-2011 Joey Hess <joey@kitenet.net>
+ - Copyright 2010-2013 Joey Hess <joey@kitenet.net>
  -
  - Licensed under the GNU GPL version 3 or higher.
  -}
@@ -293,13 +293,26 @@ isLinkToAnnex s = (pathSeparator:objectDir) `isInfixOf` s
  -     a slash
  - "%" is escaped to "&s", and "&" to "&a"; this ensures that the mapping
  -     is one to one.
- - ":" is escaped to "&c", because despite it being 2011, people still care
+ - ":" is escaped to "&c", because despite it being 20XX people still care
  -     about FAT.
  -}
 keyFile :: Key -> FilePath
 keyFile key = replace "/" "%" $ replace ":" "&c" $
 	replace "%" "&s" $ replace "&" "&a"  $ key2file key
 
+{- Reverses keyFile, converting a filename fragment (ie, the basename of
+ - the symlink target) into a key. -}
+fileKey :: FilePath -> Maybe Key
+fileKey file = file2key $
+	replace "&a" "&" $ replace "&s" "%" $
+		replace "&c" ":" $ replace "%" "/" file
+
+{- for quickcheck -}
+prop_idempotent_fileKey :: String -> Bool
+prop_idempotent_fileKey s = Just k == fileKey (keyFile k)
+  where
+	k = stubKey { keyName = s, keyBackendName = "test" }
+
 {- A location to store a key on the filesystem. A directory hash is used,
  - to protect against filesystems that dislike having many items in a
  - single directory.
@@ -316,19 +329,6 @@ keyPath key hasher = hasher key </> f </> f
 keyPaths :: Key -> [FilePath]
 keyPaths key = map (keyPath key) annexHashes
 
-{- Reverses keyFile, converting a filename fragment (ie, the basename of
- - the symlink target) into a key. -}
-fileKey :: FilePath -> Maybe Key
-fileKey file = file2key $
-	replace "&a" "&" $ replace "&s" "%" $
-		replace "&c" ":" $ replace "%" "/" file
-
-{- for quickcheck -}
-prop_idempotent_fileKey :: String -> Bool
-prop_idempotent_fileKey s = Just k == fileKey (keyFile k)
-  where
-	k = stubKey { keyName = s, keyBackendName = "test" }
-
 {- Two different directory hashes may be used. The mixed case hash
  - came first, and is fine, except for the problem of case-strict
  - filesystems such as Linux VFAT (mounted with shortname=mixed),