ui: Cut off search early if any regexp does not match.
* guix/ui.scm (relevance): When one of the regexps does not match, cut off early and return 0. Do not try to match the remaining regexps.
This commit is contained in:
		
							parent
							
								
									cf48f0fc4c
								
							
						
					
					
						commit
						e70a884706
					
				
					 1 changed files with 11 additions and 5 deletions
				
			
		
							
								
								
									
										16
									
								
								guix/ui.scm
									
										
									
									
									
								
							
							
						
						
									
										16
									
								
								guix/ui.scm
									
										
									
									
									
								
							| 
						 | 
				
			
			@ -14,6 +14,7 @@
 | 
			
		|||
;;; Copyright © 2019 Chris Marusich <cmmarusich@gmail.com>
 | 
			
		||||
;;; Copyright © 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 | 
			
		||||
;;; Copyright © 2019 Simon Tournier <zimon.toutoune@gmail.com>
 | 
			
		||||
;;; Copyright © 2020 Arun Isaac <arunisaac@systemreboot.net>
 | 
			
		||||
;;;
 | 
			
		||||
;;; This file is part of GNU Guix.
 | 
			
		||||
;;;
 | 
			
		||||
| 
						 | 
				
			
			@ -1520,11 +1521,16 @@ score, the more relevant OBJ is to REGEXPS."
 | 
			
		|||
                    (+ relevance (* weight (apply + (map score-regexp lst)))))))))
 | 
			
		||||
            0 metrics)))
 | 
			
		||||
 | 
			
		||||
  (let ((scores (map regexp->score regexps)))
 | 
			
		||||
    ;; Return zero if one of REGEXPS doesn't match.
 | 
			
		||||
    (if (any zero? scores)
 | 
			
		||||
        0
 | 
			
		||||
        (reduce + 0 scores))))
 | 
			
		||||
  (let loop ((regexps regexps)
 | 
			
		||||
             (total-score 0))
 | 
			
		||||
    (match regexps
 | 
			
		||||
      ((head . tail)
 | 
			
		||||
       (let ((score (regexp->score head)))
 | 
			
		||||
         ;; Return zero if one of PATTERNS doesn't match.
 | 
			
		||||
         (if (zero? score)
 | 
			
		||||
             0
 | 
			
		||||
             (loop tail (+ total-score score)))))
 | 
			
		||||
      (() total-score))))
 | 
			
		||||
 | 
			
		||||
(define %package-metrics
 | 
			
		||||
  ;; Metrics used to compute the "relevance score" of a package against a set
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Reference in a new issue