API. This may be fixed by using an access token and setting the environment
variable GUIX_GITHUB_TOKEN, for instance one procured from
https://github.com/settings/tokens"))
- (let ((proper-releases
- (filter
- (lambda (x)
- ;; example pre-release:
- ;; https://github.com/wwood/OrfM/releases/tag/v0.5.1
- ;; or an all-prerelease set
- ;; https://github.com/powertab/powertabeditor/releases
- (not (hash-ref x "prerelease")))
- json)))
- (match proper-releases
- (() ;empty release list
+ (let loop ((releases
+ (filter
+ (lambda (x)
+ ;; example pre-release:
+ ;; https://github.com/wwood/OrfM/releases/tag/v0.5.1
+ ;; or an all-prerelease set
+ ;; https://github.com/powertab/powertabeditor/releases
+ (not (hash-ref x "prerelease")))
+ json)))
+ (match releases
+ (() ;empty release list
#f)
- ((release . rest) ;one or more releases
+ ((release . rest) ;one or more releases
(let ((tag (or (hash-ref release "tag_name") ;a "release"
(hash-ref release "name"))) ;a tag
(name-length (string-length package-name)))
(substring tag (+ name-length 1))
;; some tags start with a "v" e.g. "v0.25.0"
;; where some are just the version number
- (if (eq? (string-ref tag 0) #\v)
- (substring tag 1) tag)))))))))
+ (if (string-prefix? "v" tag)
+ (substring tag 1)
+
+ ;; Finally, reject tags that don't start with a digit:
+ ;; they may not represent a release.
+ (if (and (not (string-null? tag))
+ (char-set-contains? char-set:digit
+ (string-ref tag 0)))
+ tag
+ (loop rest)))))))))))
(define (latest-release pkg)
"Return an <upstream-source> for the latest release of PKG."