unloading/reloading an asdf system

Hello ASDF experts,

Is there a way to reload an ASDF system without the recompilation?

For example, load a system:

CL-USER> (asdf:oos 'asdf:load-op 'parenscript)
; loading system definition from /home/kreg/.sbcl/systems/parenscript.asd
; into #<PACKAGE "ASDF1224">
; registering #<SYSTEM :PARENSCRIPT {AA7B7A1}> as PARENSCRIPT
; registering #<SYSTEM :PARENSCRIPT.TEST {AD20FD9}> as PARENSCRIPT.TEST
NIL

This one contains package js amoung others:

CL-USER> (find-package 'js)
#<PACKAGE "JS">

After messing around with the package in the REPL, delete it so I can
reload the original package:

CL-USER> (delete-package 'js)
T
CL-USER> (find-package 'js)
NIL

Try to reload the original package the easy way, by just reloading the
ASDF system, but that doesn't work:

CL-USER> (asdf:oos 'asdf:load-op :parenscript)
NIL
CL-USER> (find-package 'js)
NIL

Using the force option does work, but recompiles the whole system:

CL-USER> (asdf:oos 'asdf:load-op :parenscript :force t)
; compiling file "/home/kreg/lisp/parenscript/src/package.lisp" ....
; compiling (IN-PACKAGE :CL-USER)
; compiling (DEFPACKAGE :JS ...)
.
....lots of compilation

CL-USER> (find-package 'js)
#<PACKAGE "JS">

Thanks for any info.

-Craig McDaniel







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