Change local projects system search priority.

Old order: Local projects, ASDF registry, Quicklisp systems. Under
this scheme, there was actually no way to override local projects
without messing with the filesystem.

New order: ASDF registry, local projects, Quicklisp systems. With this
setup, changing your ASDF registry can override local projects.

Author: xach

setup.lisp

@@ -199,8 +199,8 @@
                   asdf:*system-definition-search-functions*)
     (setf asdf:*system-definition-search-functions*
           (append asdf:*system-definition-search-functions*
-                  (list 'system-definition-searcher))))
-  (pushnew 'local-projects-searcher asdf:*system-definition-search-functions*)
+                  (list 'local-projects-searcher
+                        'system-definition-searcher))))
   (let ((files (nconc (directory (qmerge "local-init/*.lisp"))
                       (directory (qmerge "local-init/*.cl")))))
     (with-simple-restart (abort "Stop loading local setup files")