diff --git a/CabalMeta.hs b/CabalMeta.hs
--- a/CabalMeta.hs
+++ b/CabalMeta.hs
@@ -42,7 +42,7 @@
 asList :: Package -> [Text]
 asList (Package l flags) = l:flags
 asList (GitPackage l flags tag) = l : flags ++ maybeToList tag
-asList (Directory d flags) = toTextUnsafe d : flags
+asList (Directory d flags) = toTextIgnore d : flags
 
 data PackageSources = PackageSources {
     dirs     :: [Package]
@@ -83,7 +83,7 @@
     cabalPresent <- if allowCabals then return False else isCabalPresent
     if cabalPresent then return mempty else do
         psources <- getSources
-        when (psources == mempty) $ terror $ "empty " <>| source_file
+        when (psources == mempty) $ terror $ "empty " <> toTextIgnore source_file
 
         let git_pkgs = gitPackages psources
         child_vendor_pkgs <- if null git_pkgs then return [] else do
diff --git a/cabal-meta.cabal b/cabal-meta.cabal
--- a/cabal-meta.cabal
+++ b/cabal-meta.cabal
@@ -1,11 +1,11 @@
 name:            cabal-meta
-version:         0.1.1
+version:         0.2.0
 license:         BSD3
 license-file:    LICENSE
 author:          Greg Weber <greg@gregweber.info>
 maintainer:      Greg Weber <greg@gregweber.info>
 synopsis:        build multiple packages at once
-description:     build multiple packages at once
+description:     see: <http://www.yesodweb.com/blog/2012/04/cabal-meta> and <http://github.com/yesodweb/cabal-meta>
 
 stability:       Beta
 cabal-version:   >= 1.8
@@ -21,7 +21,7 @@
         cpp-options:     -DGHC7
     else
         build-depends:   base            >= 4        && < 4.3
-    build-depends: shelly >= 0.3.1
+    build-depends: shelly >= 0.6
                  , text, system-filepath
                   -- , file-location
     extensions: OverloadedStrings 
diff --git a/main.hs b/main.hs
--- a/main.hs
+++ b/main.hs
@@ -62,12 +62,12 @@
     cabal_install_ cabal $ args ++ concat installs
     ifCabal cabal $ do
         forM_ (dirs packageSources) $ \pkg ->
-          chdir (dLocation pkg) $ "cabal-src-install" # ["--src-only"]
+          chdir (dLocation pkg) $ run "cabal-src-install" ["--src-only"]
         forM_ (gitPackages packageSources) $ \pkg ->
           chdir vendor_dir $ do
             let repo = gLocation pkg 
             let d = filename $ fromText repo
-            chdir d $ "cabal-src-install" # ["--src-only"]
+            chdir d $ run "cabal-src-install" ["--src-only"]
     return ()
 
   where