* Refactoring: move the user environment stuff into its own module.

src/nix-env/nix-env.cc

@@ -12,6 +12,7 @@
 #include "common-opts.hh"
 #include "xml-writer.hh"
 #include "store-api.hh"
+#include "user-env.hh"
 #include "util.hh"
 
 #include <cerrno>
@@ -192,25 +193,6 @@ static Path getDefNixExprPath()
 }
 
 
-static DrvInfos queryInstalled(EvalState & state, const Path & userEnv)
-{
-    Path path = userEnv + "/manifest";
-
-    if (!pathExists(path))
-        return DrvInfos(); /* not an error, assume nothing installed */
-
-    throw Error("not implemented");
-#if 0
-    Expr e = ATreadFromNamedFile(path.c_str());
-    if (!e) throw Error(format("cannot read Nix expression from `%1%'") % path);
-
-    DrvInfos elems;
-    // !!! getDerivations(state, e, "", ATermMap(1), elems);
-    return elems;
-#endif
-}
-
-
 /* Ensure exclusive access to a profile.  Any command that modifies
    the profile first acquires this lock. */
 static void lockProfile(PathLocks & lock, const Path & profile)