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authorRicardo Wurmus <rekado@elephly.net>2023-10-05 12:58:43 +0200
committerRicardo Wurmus <rekado@elephly.net>2023-10-05 15:16:26 +0200
commit3fba8cd2745e0d983fb24d51aa37ca31e3c5c896 (patch)
treeb692137f15b93d2987ed407b392da14994852861
parent044a76c280c26b8ea731c4367d74474805b7257a (diff)
downloadguix-3fba8cd2745e0d983fb24d51aa37ca31e3c5c896.tar
guix-3fba8cd2745e0d983fb24d51aa37ca31e3c5c896.tar.gz
refresh: Fix sorting of updates by file and line number.
* guix/scripts/refresh.scm (guix-refresh): Add cascade-sort procedure and use it to sort specs by package location.
-rw-r--r--guix/scripts/refresh.scm37
1 files changed, 31 insertions, 6 deletions
diff --git a/guix/scripts/refresh.scm b/guix/scripts/refresh.scm
index f39dc743b1..46bf310d5f 100644
--- a/guix/scripts/refresh.scm
+++ b/guix/scripts/refresh.scm
@@ -571,6 +571,28 @@ all are dependent packages: ~{~a~^ ~}~%")
(lists
(concatenate lists))))
+ ;; Sort SEQUENCE by consecutive application of all tests to selected
+ ;; elements in SEQUENCE. Every item in LESS+SELECT is a pair consisting of
+ ;; a binary comparison procedure and a selector, e.g (cons < car).
+ (define (cascade-sort sequence . less+select)
+ (define (make-test less? select)
+ (lambda (a b)
+ (less? (select a) (select b))))
+ (define (combine-tests procs)
+ (lambda (a b)
+ (eq? 'less
+ (any (lambda (test)
+ (cond
+ ((test a b) 'less)
+ ((test b a) 'greater)
+ (else #false)))
+ procs))))
+ (let ((tests (match less+select
+ (((less? . select) ...)
+ (combine-tests
+ (map make-test less? select))))))
+ (sort sequence tests)))
+
(let* ((opts (parse-options))
(update? (assoc-ref opts 'update?))
(updaters (options->updaters opts))
@@ -605,18 +627,21 @@ all are dependent packages: ~{~a~^ ~}~%")
(or (assoc-ref opts 'keyring)
(string-append (config-directory)
"/upstream/trustedkeys.kbx"))))
- (let* ((spec-line
- (compose (cut string-trim-right <> char-set:digit)
- location->string
- package-location
+ (let* ((spec->location
+ (compose package-location
update-spec-package))
;; Sort the specs so that we update packages from the
;; bottom of the file to the top. This way we can be
;; sure that the package locations are always correct
;; and never shifted due to previous edits.
(sorted-update-specs
- (sort update-specs
- (lambda (a b) (string> (spec-line a) (spec-line b))))))
+ (cascade-sort update-specs
+ (cons string<
+ (compose location-file
+ spec->location))
+ (cons >
+ (compose location-line
+ spec->location)))))
(for-each
(lambda (update)
(update-package store