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typesetting/quad/quad/checksum.rkt

9 lines
366 B
Racket

#lang racket/base
(require racket/match pkg/path)
(provide pkg-checksum)
(define (pkg-checksum [pkg "quad"] #:short [short? #false])
(match (for/or ([scope (in-list '(user installation shared))])
(hash-ref (read-pkgs-db scope) pkg #false))
[(pkg-info _ checksum _) (if short? (substring checksum 0 7) checksum)]
[_ "checksum not found"]))