diff options
Diffstat (limited to 'guix/import/opam.scm')
| -rw-r--r-- | guix/import/opam.scm | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/guix/import/opam.scm b/guix/import/opam.scm index e258c4197f..394415fdd4 100644 --- a/guix/import/opam.scm +++ b/guix/import/opam.scm @@ -1,3 +1,4 @@ +;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2018 Julien Lepiller <julien@lepiller.eu> ;;; ;;; This file is part of GNU Guix. @@ -38,7 +39,14 @@ #:use-module ((guix licenses) #:prefix license:) #:export (opam->guix-package opam-recursive-import - %opam-updater)) + %opam-updater + + ;; The following patterns are exported for testing purposes. + string-pat + multiline-string + list-pat + dict + condition)) ;; Define a PEG parser for the opam format (define-peg-pattern comment none (and "#" (* STRCHR) "\n")) @@ -233,8 +241,8 @@ path to the repository." (list dependency (list 'unquote (string->symbol dependency)))) (ocaml-names->guix-names lst))) -(define (opam-fetch name) - (and-let* ((repository (get-opam-repository)) +(define* (opam-fetch name #:optional (repository (get-opam-repository))) + (and-let* ((repository repository) (version (find-latest-version name repository)) (file (string-append repository "/packages/" name "/" name "." version "/opam"))) `(("metadata" ,@(get-metadata file)) @@ -242,8 +250,11 @@ path to the repository." (substring version 1) version))))) -(define (opam->guix-package name) - (and-let* ((opam-file (opam-fetch name)) +(define* (opam->guix-package name #:key repository) + "Import OPAM package NAME from REPOSITORY (a directory name) or, if +REPOSITORY is #f, from the official OPAM repository. Return a 'package' sexp +or #f on failure." + (and-let* ((opam-file (opam-fetch name repository)) (version (assoc-ref opam-file "version")) (opam-content (assoc-ref opam-file "metadata")) (url-dict (metadata-ref opam-content "url")) |