racket/collects/planet/planet-archives.rkt
Robby Findler fbccf38d50 completed the planet library documentation and, in the process,
cleaned up various dependencies and exports from some of the libraries
2011-07-08 15:51:05 -05:00

47 lines
1.7 KiB
Racket

#lang racket/base
(require "private/planet-shared.rkt"
"config.rkt"
"cachepath.rkt")
(provide get-installed-planet-archives
get-hard-linked-packages
get-all-planet-packages
get-planet-cache-path)
;; get-installed-planet-archives : -> listof (list path[absolute, dir] string string (listof string) nat nat)
;; directories of all normally-installed planet archives [excluding hard links]
(define (get-installed-planet-archives)
(with-handlers ((exn:fail:filesystem:no-directory? (lambda (e) '())))
(tree-apply
(lambda (rep-name owner package maj min)
(let ((x (list
(build-path (CACHE-DIR) owner package (number->string maj) (number->string min))
owner
package
'()
maj
min)))
x))
(repository-tree)
3)))
;; get-hard-linked-packages : -> listof (list path[absolute, dir] string string (listof string) nat nat)
;; directories of all hard-linked packages
(define (get-hard-linked-packages)
(map
(lambda (row)
(map (lambda (f) (f row))
(list assoc-table-row->dir
(lambda (r) (car (assoc-table-row->path r)))
assoc-table-row->name
(lambda (r) (cdr (assoc-table-row->path r)))
assoc-table-row->maj
assoc-table-row->min)))
(get-hard-link-table)))
;; get-all-planet-packages : -> listof (list path[absolute, dir] string string (listof string) nat nat)
;; get every planet package, regardless of origin
(define (get-all-planet-packages)
(append (get-installed-planet-archives)
(get-hard-linked-packages)))