diff --git a/src/GitRunner.hs b/src/GitRunner.hs
index 02a8320..3b6e8e7 100644
--- a/src/GitRunner.hs
+++ b/src/GitRunner.hs
@@ -19,15 +19,12 @@ data GitCommand = GitRevisionInfoCmd
 gitCommandArgs :: GitCommand -> [String]
 gitCommandArgs GitUpdateIndexCmd = ["update-index", "-q", "--refresh"]
 gitCommandArgs GitDiffIndexNamesCmd = ["diff-index", "--name-only", "HEAD", "--"]
-gitCommandArgs GitRevisionInfoCmd = ["describe", "--tags"]
+gitCommandArgs GitRevisionInfoCmd = ["describe", "--tags", "--dirty"]
 
 buildGitRevisionString :: GitRepo -> IO String
 buildGitRevisionString repo = do
-  isDirty <- gitIsDirtyTree repo
   (_, revStr) <- runGit repo GitRevisionInfoCmd
-  if isDirty
-    then return $ revStr ++ "-dirty"
-    else return revStr
+  return revStr
 
 gitIsDirtyTree :: GitRepo -> IO Bool
 gitIsDirtyTree repo = do
@@ -36,6 +33,10 @@ gitIsDirtyTree repo = do
   let changedFiles = length output
   return $ changedFiles > 0
 
+concatenateArgs :: [String] -> String
+concatenateArgs [] = []
+concatenateArgs (x:xs) = x ++ " " ++ concatenateArgs xs
+
 runGit :: GitRepo -> GitCommand -> IO (ExitCode, String)
 runGit repo command = do
   let gitArgs = gitCommandArgs command
@@ -53,5 +54,5 @@ runGit repo command = do
       return (ExitSuccess, trimmedOutput)
     (ExitFailure errorCode) -> do
       gitErrorStr  <- hGetContents gitErrorStream
-      let msg = "Git failed with code " ++ (show errorCode) ++ " and message:\n" ++ gitErrorStr
+      let msg = "`git " ++ (concatenateArgs gitArgs) ++ "` failed with code " ++ (show errorCode) ++ " and message:\n" ++ gitErrorStr
       return (exitCode, msg)
diff --git a/src/SedRunner.hs b/src/SedRunner.hs
index 62270f5..2863969 100644
--- a/src/SedRunner.hs
+++ b/src/SedRunner.hs
@@ -15,27 +15,24 @@ data SedCommand = SedIntToG4Int
                 | SedCommentIncludeCassert
                 | SedFixG4G4
                 | SedFixUnsignedG4Int
-                | SedFixG4boolalpha
                 deriving (Show, Eq)
 
 --toG4TypeRegexp t = ["\\'s/\\b\\(" ++ t ++"\\)\\b/G4\\1/g\'"]
 toG4TypeRegexp :: String -> [String]
-toG4TypeRegexp t = ["s/" ++ t ++ "/G4" ++ t ++ "/g"]
+toG4TypeRegexp t = ["s/\\(\\b\\)" ++ t ++ "\\(\\b\\)/\\1G4" ++ t ++ "\\2/g"]
 
 --let substitute x y s = subRegex (mkRegex x) s y
 -- substitute "int" "G4int"
 
 sedCommandArgs :: SedCommand -> [String]
-sedCommandArgs SedIntToG4Int = ["s/int/G4int/g"]
---sedCommandArgs SedIntToG4Int = toG4TypeRegexp "int"
+sedCommandArgs SedIntToG4Int = toG4TypeRegexp "int"
 sedCommandArgs SedFloatToG4Float = toG4TypeRegexp "float"
 sedCommandArgs SedDoubleToG4Double = toG4TypeRegexp "double"
 sedCommandArgs SedBoolToG4Bool = toG4TypeRegexp "bool"
-sedCommandArgs SedCommentAsserts = ["s/^ *assert/\\/\\/ assert/g"]
+sedCommandArgs SedCommentAsserts = ["s/^\\s*assert/\\/\\/ assert/g"]
 sedCommandArgs SedCommentIncludeCassert = ["s/#include \\+<cassert>/\\/\\/ #include <cassert>/g"]
 sedCommandArgs SedFixG4G4 = ["s/G4G4/G4/g"]
 sedCommandArgs SedFixUnsignedG4Int = ["s/unsigned\\ G4int/unsigned\\ int/g"]
-sedCommandArgs SedFixG4boolalpha = ["s/G4boolalpha/boolalpha/g"]
 
 useG4Int :: String -> IO String
 useG4Int = runSed SedIntToG4Int
@@ -64,13 +61,10 @@ fixG4G4 = runSed SedFixG4G4
 fixUnsignedG4int :: String -> IO String
 fixUnsignedG4int = runSed SedFixUnsignedG4Int
 
-fixG4boolalpha :: String -> IO String
-fixG4boolalpha = runSed SedFixG4boolalpha
-
 -- Chain the useG4<type> functions together.
 useG4Types :: String -> IO String
 --useG4Types code = (useG4Int code)
-useG4Types code = (useG4Int code) >>= useG4Float >>= useG4Double >>= useG4Bool >>= fixG4G4 >>= fixUnsignedG4int >>= fixG4boolalpha
+useG4Types code = (useG4Int code) >>= useG4Float >>= useG4Double >>= useG4Bool >>= fixG4G4 >>= fixUnsignedG4int
 
 runSed :: SedCommand -> String -> IO String
 runSed command inputData = do