add checks that location log files are committed

currently failing for move --to

GitRepo.hs

@@ -38,6 +38,7 @@ module GitRepo (
 	inRepo,
 	notInRepo,
 	stagedFiles,
+	changedUnstagedFiles,
 	checkAttr,
 	decodeGitFile,
 	encodeGitFile,
@@ -249,6 +250,11 @@ stagedFiles repo l = pipeNullSplit repo $
 	["diff", "--cached", "--name-only", "--diff-filter=ACMRT", "-z", 
 		"--"] ++ l
 
+{- Returns a list of files that have unstaged changes. -}
+changedUnstagedFiles :: Repo -> [FilePath] -> IO [FilePath]
+changedUnstagedFiles repo l = pipeNullSplit repo $
+	["diff", "--name-only", "-z", "--"] ++ l
+
 {- Returns a list of the files in the specified locations that are staged
  - for commit, and whose type has changed. -}
 typeChangedStagedFiles :: Repo -> [FilePath] -> IO [FilePath]

LocationLog.hs

@@ -23,6 +23,7 @@
 module LocationLog (
 	LogStatus(..),
 	logChange,
+	logFile,
 	keyLocations
 ) where
 

test.hs

@@ -375,6 +375,18 @@ checklocationlog f expected = do
 			uuids <- LocationLog.keyLocations g' k
 			assertEqual ("location log for " ++ f ++ " " ++ (show k) ++ " " ++ thisuuid)
 				expected (elem thisuuid uuids)
+
+			-- Location log files should always be checked
+			-- into git, and any modifications staged for
+			-- commit. This is a regression test, as some
+			-- commands forgot to.
+			let lf = LocationLog.logFile g' k
+			fs <- Git.inRepo g' [lf]
+			when (null fs) $
+				assertFailure $ f ++ " logfile not added to git repo"
+			ufs <- Git.changedUnstagedFiles g' [lf]
+			when (not $ null ufs) $
+				assertFailure $ f ++ " logfile changes not staged"
 		_ -> assertFailure $ f ++ " failed to look up key"
 
 inlocationlog :: FilePath -> Assertion