better migration handling

README.md

@@ -44,7 +44,7 @@ After installing all dependencies you can configure and build the software with
 
 ```bash
 cabal configure
-cabal build exe:eidolon
+cabal build
 ```
 
 ##Deploying
@@ -70,9 +70,10 @@ Since eidolon will block your console, I recommend wrapping a init-script around
 ###0.0.3-0.0.4
 
 * do not start or restart your eidolon service before migration
-* build the Migration script with `cabal build Migration1`
-* Migration script is located in `dist/build/Migration1/` in your build directory
-* run migration script from your run location (where your `static` folder with all the images are located)
+* run migration script from your run location (where your `static` folder with all the images is located)
+	* if you are building in a sandbox run `runghc -package-db/full/path/to/sandbox/XXX-ghc-version-packages.conf.d /path/to/eidolon/Migrations/0.0.3-0.0.4/Migration.hs`
+		* Note: No space between the option `-package-db` and its argument
+	* without sandbox: `runghc /path/to/eidolon/Migrations/0.0.3-0.0.4/Migration.hs`
 * start or restart your eidolon service
 
 ##Acknowledgements:

eidolon.cabal

@@ -113,10 +113,18 @@ library
                  , blaze-markup                  >= 0.7
                  , wai                           >= 3.0
                  , yesod-newsfeed                >= 1.4
+                 -- for Migrations
+                 , HDBC
+                 , HDBC-postgresql
+                 , imagemagick
+                 , text
+                 , filepath
+                 , system-filepath
+                 , bytestring
 
 executable         eidolon
     if flag(library-only)
-        Buildable: True
+        Buildable: False
 
     main-is:           main.hs
     hs-source-dirs:    app
@@ -126,20 +134,6 @@ executable         eidolon
 
     ghc-options:       -threaded -O2
 
-executable         Migrate1
-
-    main-is: Migration.hs
-    hs-source-dirs: Migrations/0.0.3-0.0.4
-    ghc-options: -Wall
-    build-depends: base
-                 , HDBC
-                 , HDBC-postgresql
-                 , imagemagick
-                 , text
-                 , filepath
-                 , system-filepath
-                 , bytestring
-
 test-suite test
     type:              exitcode-stdio-1.0
     main-is:           main.hs