diff options
Diffstat (limited to 'guix/scripts/system/search.scm')
| -rw-r--r-- | guix/scripts/system/search.scm | 44 |
1 files changed, 19 insertions, 25 deletions
diff --git a/guix/scripts/system/search.scm b/guix/scripts/system/search.scm index 955cdd1e95..5278062edd 100644 --- a/guix/scripts/system/search.scm +++ b/guix/scripts/system/search.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2017, 2018 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org> ;;; ;;; This file is part of GNU Guix. @@ -139,9 +139,8 @@ columns." . 1))) (define (find-service-types regexps) - "Return two values: the list of service types whose name or description -matches at least one of REGEXPS sorted by relevance, and the list of relevance -scores." + "Return a list of service type/score pairs: service types whose name or +description matches REGEXPS sorted by relevance, and their score." (let ((matches (fold-service-types (lambda (type result) (match (relevance type regexps @@ -149,30 +148,25 @@ scores." ((? zero?) result) (score - (cons (list type score) result)))) + (cons (cons type score) result)))) '()))) - (unzip2 (sort matches - (lambda (m1 m2) - (match m1 - ((type1 score1) - (match m2 - ((type2 score2) - (if (= score1 score2) - (string>? (service-type-name* type1) - (service-type-name* type2)) - (> score1 score2))))))))))) + (sort matches + (lambda (m1 m2) + (match m1 + ((type1 . score1) + (match m2 + ((type2 . score2) + (if (= score1 score2) + (string>? (service-type-name* type1) + (service-type-name* type2)) + (> score1 score2)))))))))) (define (guix-system-search . args) (with-error-handling - (let ((regexps (map (cut make-regexp* <> regexp/icase) args))) + (let* ((regexps (map (cut make-regexp* <> regexp/icase) args)) + (matches (find-service-types regexps))) (leave-on-EPIPE - (let-values (((services scores) - (find-service-types regexps))) - (for-each (lambda (service score) - (service-type->recutils service - (current-output-port) - #:extra-fields - `((relevance . ,score)))) - services - scores)))))) + (display-search-results matches (current-output-port) + #:print service-type->recutils + #:command "guix system search"))))) |