made the following changes to resolve deprecated warnings:

replaced hamletToRepHtml with giveUrlRenderer
  updated type RepHtml to Html
  replaced settingsPort with setPort

hledger-web/Foundation.hs

@@ -115,7 +115,7 @@ instance Yesod App where
             addScript $ StaticR hledger_js
             $(widgetFile "default-layout")
 
-        hamletToRepHtml $(hamletFile "templates/default-layout-wrapper.hamlet")
+        giveUrlRenderer $(hamletFile "templates/default-layout-wrapper.hamlet")
 
     -- This is done to provide an optimization for serving static files from
     -- a separate domain. Please see the staticRoot setting in Settings.hs

hledger-web/Handler/JournalEditR.hs

@@ -10,12 +10,12 @@ import Handler.Utils
 
 
 -- | The journal editform, no sidebar.
-getJournalEditR :: Handler RepHtml
+getJournalEditR :: Handler Html
 getJournalEditR = do
   vd <- getViewData
   defaultLayout $ do
       setTitle "hledger-web journal edit form"
       toWidget $ editform vd
 
-postJournalEditR :: Handler RepHtml
+postJournalEditR :: Handler Html
 postJournalEditR = handlePost

hledger-web/Handler/JournalEntriesR.hs

@@ -16,7 +16,7 @@ import Hledger.Web.Options
 
 
 -- | The journal entries view, with sidebar.
-getJournalEntriesR :: Handler RepHtml
+getJournalEntriesR :: Handler Html
 getJournalEntriesR = do
   vd@VD{..} <- getViewData
   staticRootUrl <- (staticRoot . settings) <$> getYesod
@@ -41,6 +41,6 @@ getJournalEntriesR = do
   ^{importform}
 |]
 
-postJournalEntriesR :: Handler RepHtml
+postJournalEntriesR :: Handler Html
 postJournalEntriesR = handlePost
 

hledger-web/Handler/JournalR.hs

@@ -14,7 +14,7 @@ import Hledger.Cli.Options
 import Hledger.Web.Options
 
 -- | The formatted journal view, with sidebar.
-getJournalR :: Handler RepHtml
+getJournalR :: Handler Html
 getJournalR = do
   vd@VD{..} <- getViewData
   staticRootUrl <- (staticRoot . settings) <$> getYesod
@@ -48,6 +48,6 @@ getJournalR = do
   ^{importform}
 |]
 
-postJournalR :: Handler RepHtml
+postJournalR :: Handler Html
 postJournalR = handlePost
 

hledger-web/Handler/Post.hs

@@ -20,7 +20,7 @@ import Hledger.Cli
 
 
 -- | Handle a post from any of the edit forms.
-handlePost :: Handler RepHtml
+handlePost :: Handler Html
 handlePost = do
   action <- lookupPostParam  "action"
   case action of Just "add"    -> handleAdd
@@ -29,7 +29,7 @@ handlePost = do
                  _             -> invalidArgs ["invalid action"]
 
 -- | Handle a post from the transaction add form.
-handleAdd :: Handler RepHtml
+handleAdd :: Handler Html
 handleAdd = do
   VD{..} <- getViewData
   -- get form input values. M means a Maybe value.
@@ -91,7 +91,7 @@ handleAdd = do
   redirect (RegisterR, [("add","1")])
 
 -- | Handle a post from the journal edit form.
-handleEdit :: Handler RepHtml
+handleEdit :: Handler Html
 handleEdit = do
   VD{..} <- getViewData
   -- get form input values, or validation errors.
@@ -137,7 +137,7 @@ handleEdit = do
        jE
 
 -- | Handle a post from the journal import form.
-handleImport :: Handler RepHtml
+handleImport :: Handler Html
 handleImport = do
   setMessage "can't handle file upload yet"
   redirect JournalR

hledger-web/Handler/RegisterR.hs

@@ -16,7 +16,7 @@ import Hledger.Cli.Options
 import Hledger.Web.Options
 
 -- | The main journal/account register view, with accounts sidebar.
-getRegisterR :: Handler RepHtml
+getRegisterR :: Handler Html
 getRegisterR = do
   vd@VD{..} <- getViewData
   staticRootUrl <- (staticRoot . settings) <$> getYesod
@@ -46,5 +46,5 @@ getRegisterR = do
   ^{importform}
 |]
 
-postRegisterR :: Handler RepHtml
+postRegisterR :: Handler Html
 postRegisterR = handlePost

hledger-web/Handler/RootR.hs

@@ -4,5 +4,5 @@ module Handler.RootR where
 
 import Import
 
-getRootR :: Handler RepHtml
+getRootR :: Handler Html
 getRootR = redirect defaultroute where defaultroute = RegisterR

hledger-web/Hledger/Web/Main.hs

@@ -16,8 +16,8 @@ import Yesod.Default.Config --(fromArgs)
 import Settings            --  (parseExtra)
 import Application          (makeApplication)
 import Data.String
-import Data.Conduit.Network
-import Network.Wai.Handler.Warp (runSettings, defaultSettings, settingsPort)
+import Data.Conduit.Network hiding (setPort)
+import Network.Wai.Handler.Warp (runSettings, defaultSettings, setPort)
 import Network.Wai.Handler.Launch (runUrlPort)
 --
 import Prelude hiding (putStrLn)
@@ -61,19 +61,19 @@ web opts j = do
   let j' = filterJournalTransactions (queryFromOpts d $ reportopts_ $ cliopts_ opts) j
       p = port_ opts
       u = base_url_ opts
-      staticRoot = pack <$> static_root_ opts
+      staticRoot' = pack <$> static_root_ opts
   _ <- printf "Starting web app on port %d with base url %s\n" p u
   app <- makeApplication opts j' AppConfig{appEnv = Development
                                           ,appPort = p
                                           ,appRoot = pack u
                                           ,appHost = fromString "*4"
-                                          ,appExtra = Extra "" Nothing staticRoot
+                                          ,appExtra = Extra "" Nothing staticRoot'
                                           }
   if server_ opts
    then do
     putStrLn "Press ctrl-c to quit"
     hFlush stdout
-    runSettings defaultSettings{settingsPort=p} app
+    runSettings (setPort p defaultSettings) app
    else do
     putStrLn "Starting web browser if possible"
     putStrLn "Web app will auto-exit after a few minutes with no browsers (or press ctrl-c)"

hledger/hledger.cabal

@@ -197,3 +197,21 @@ test-suite tests
                , wizards == 1.0.*
   if impl(ghc >= 7.4)
     build-depends: pretty-show >= 1.6.4
+
+benchmark bench
+  type:             exitcode-stdio-1.0
+--  hs-source-dirs:   src
+  main-is:          ../tools/simplebench.hs
+  ghc-options:      -Wall
+  default-language: Haskell2010
+  build-depends:    hledger-lib,
+                    hledger,
+                    base >= 4.3 && < 5,
+                    old-locale,
+                    time,
+                    html,
+                    tabular >= 0.2 && < 0.3,
+                    process,
+                    filepath,
+                    directory
+