cabal now installs git-annex-shell as a symlink to git-annex.

Setup.hs

@@ -1,12 +1,27 @@
 {- cabal setup file -}
 
 import Distribution.Simple
+import Distribution.Simple.LocalBuildInfo
+import Distribution.Simple.Setup
 import System.Cmd
+import System.FilePath
 
 import qualified Build.Configure as Configure
 
-main = defaultMainWithHooks simpleUserHooks { preConf = configure }
+main = defaultMainWithHooks simpleUserHooks
+	{ preConf = configure
+	, instHook = install
+	}
 
 configure _ _ = do
 	Configure.run Configure.tests
 	return (Nothing, [])
+
+install pkg_descr lbi userhooks flags = do
+	r <- (instHook simpleUserHooks) pkg_descr lbi userhooks flags
+	_ <- rawSystem "ln" ["-sf", "git-annex", 
+		bindir installDirs </> "git-annex-shell"]
+	return r
+	where
+		installDirs = absoluteInstallDirs pkg_descr lbi $
+			fromFlag (copyDest defaultCopyFlags)