diff options
Diffstat (limited to '.guix')
| -rw-r--r-- | .guix/modules/guix-package.scm | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/.guix/modules/guix-package.scm b/.guix/modules/guix-package.scm index 38c4a33..80f29c6 100644 --- a/.guix/modules/guix-package.scm +++ b/.guix/modules/guix-package.scm @@ -5,6 +5,7 @@ #:use-module ((guix licenses) #:prefix license:) #:use-module (git oid) + #:use-module (git tag) #:use-module (git bindings) #:use-module (git reference) #:use-module (git repository) @@ -37,10 +38,37 @@ commit)) "NOTAREPOSITORY")) +(define (list-last lst) + (let ((len (length lst))) + (if (> len 0) + (list-ref lst (- len 1))))) + +(define (process-version repo-head tag-vals) + (let ((version-prefix (list-last (string-split (car tag-vals) #\/))) + (repo-head-str (oid->string repo-head))) + (if (zero? (oid-cmp repo-head + (tag-target-id (cdr tag-vals)))) + version-prefix + (string-append version-prefix "-" (substring repo-head-str 0 8))))) + (define (get-latest-version) "Get latest version tag from repository." - ;; TODO: Implement - "v0.0.0") + (let ((%repo #f) + (%tags (list)) + (%repo-head #f)) + (begin (libgit2-init!) + (set! %repo (repository-open %source-dir)) + (set! %repo-head (reference-target (repository-head %repo))) + (tag-foreach %repo + (lambda (tname tref) + (set! %tags (list (cons tname (tag-lookup %repo tref)))) + 0)) + (libgit2-shutdown!) + (if (zero? (length %tags)) + (string-append "v0.0.0-" (substring (oid->string %repo-head) 0 8)) + (process-version + %repo-head + (list-last (sort-list %tags (lambda (item) (error item))))))))) (define vcs-file? (or (git-predicate %source-dir) |