roswell.roswell/lisp/dist-use.lisp
2019-12-28 18:08:43 +08:00

16 lines
515 B
Common Lisp

(defpackage :roswell.dist.use
(:use :cl))
(in-package :roswell.dist.use)
(defun use (&rest r)
(setf r (cdr r))
(if r
(let* ((name (first r))
(version (second r))
(alist (ql-dist:available-versions (ql-dist:dist name)))
(found (cdr (assoc version alist :test 'equal))))
(if found
(ql-dist:install-dist found :replace t :prompt nil)
(format t "~A not found.~%" version)))
(format t "usage: ros dist use dist-name version~%")))