diff --git a/doc/guix.texi b/doc/guix.texi index 76290d593e..3355a535ad 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -12166,7 +12166,7 @@ coexist. @cindex egg Import metadata for @uref{https://wiki.call-cc.org/eggs, CHICKEN eggs}. The information is taken from @file{PACKAGE.egg} files found in the -@uref{git://code.call-cc.org/eggs-5-latest, eggs-5-latest} Git +@uref{git://code.call-cc.org/eggs-5-all, eggs-5-all} Git repository. However, it does not provide all the information that we need, there is no ``description'' field, and the licenses used are not always precise (BSD is often used instead of BSD-N). @@ -12175,6 +12175,12 @@ always precise (BSD is often used instead of BSD-N). guix import egg sourcehut @end example +You can also ask for a specific version: + +@example +guix import egg arrays@@1.0 +@end example + Additional options include: @table @code @item --recursive diff --git a/guix/import/egg.scm b/guix/import/egg.scm index 89e7a9160d..ff9f5a0247 100644 --- a/guix/import/egg.scm +++ b/guix/import/egg.scm @@ -51,10 +51,10 @@ (define-module (guix import egg) ;;; ;;; The following happens under the hood: ;;; -;;; * is a Git repository that contains -;;; the latest version of all CHICKEN eggs. We look clone this repository -;;; and retrieve the latest version number, and the PACKAGE.egg file, which -;;; contains a list of lists containing metadata about the egg. +;;; * is a Git repository that contains +;;; all versions of all CHICKEN eggs. We look clone this repository and, by +;;; default, retrieve the latest version number, and the PACKAGE.egg file, +;;; which contains a list of lists containing metadata about the egg. ;;; ;;; * All the eggs are stored as tarballs at ;;; , so we grab the tarball for @@ -96,7 +96,7 @@ (define (egg-name->guix-name name) (define (eggs-repository) "Update or fetch the latest version of the eggs repository and return the path to the repository." - (let* ((url "git://code.call-cc.org/eggs-5-latest") + (let* ((url "git://code.call-cc.org/eggs-5-all") (directory commit _ (update-cached-checkout url))) directory)) @@ -112,12 +112,13 @@ (define (find-latest-version name) (last directory) #f))) -(define* (egg-metadata name #:optional file) - "Return the package metadata file for the egg NAME, or if FILE is specified, -return the package metadata in FILE." +(define* (egg-metadata name #:key (version #f) (file #f)) + "Return the package metadata file for the egg NAME at version VERSION, or if +FILE is specified, return the package metadata in FILE." (call-with-input-file (or file (string-append (egg-directory name) "/" - (find-latest-version name) + (or version + (find-latest-version name)) "/" name ".egg")) read)) @@ -173,10 +174,11 @@ (define string->license ;;; Egg importer. ;;; -(define* (egg->guix-package name #:key (file #f) (source #f)) - "Import a CHICKEN egg called NAME from either the given .egg FILE, or from -the latest NAME metadata downloaded from the official repository if FILE is #f. -Return a record or #f on failure. +(define* (egg->guix-package name version #:key (file #f) (source #f)) + "Import a CHICKEN egg called NAME from either the given .egg FILE, or from the +latest NAME metadata downloaded from the official repository if FILE is #f. +Return a record or #f on failure. If VERSION is specified, import +the particular version from the egg repository. SOURCE is a ``file-like'' object containing the source code corresponding to the egg. If SOURCE is not specified, the latest tarball for egg NAME will be @@ -186,8 +188,8 @@ (define* (egg->guix-package name #:key (file #f) (source #f)) locally. Note that if FILE and SOURCE are specified, recursive import will not work." (define egg-content (if file - (egg-metadata name file) - (egg-metadata name))) + (egg-metadata name #:file file) + (egg-metadata name #:version version))) (if (not egg-content) (values #f '()) ; egg doesn't exist (let* ((version* (or (assoc-ref egg-content 'version) @@ -326,10 +328,11 @@ (define (maybe-inputs input-type inputs) (define egg->guix-package/m ;memoized variant (memoize egg->guix-package)) -(define (egg-recursive-import package-name) +(define* (egg-recursive-import package-name #:optional version) (recursive-import package-name + #:version version #:repo->guix-package (lambda* (name #:key version repo) - (egg->guix-package/m name)) + (egg->guix-package/m name version)) #:guix-name egg-name->guix-name)) diff --git a/guix/scripts/import/egg.scm b/guix/scripts/import/egg.scm index 829cdc2ca0..6a9657d12c 100644 --- a/guix/scripts/import/egg.scm +++ b/guix/scripts/import/egg.scm @@ -26,6 +26,7 @@ (define-module (guix scripts import egg) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) #:use-module (srfi srfi-37) + #:use-module (srfi srfi-71) #:use-module (ice-9 match) #:use-module (ice-9 format) #:export (guix-import-egg)) @@ -83,21 +84,24 @@ (define (parse-options) (_ #f)) (reverse opts)))) (match args - ((package-name) - (if (assoc-ref opts 'recursive) - ;; Recursive import - (map (match-lambda - ((and ('package ('name name) . rest) pkg) - `(define-public ,(string->symbol name) - ,pkg)) - (_ #f)) - (egg-recursive-import package-name)) - ;; Single import - (let ((sexp (egg->guix-package package-name))) - (unless sexp - (leave (G_ "failed to download meta-data for package '~a'~%") - package-name)) - sexp))) + ((spec) + (let ((name version (package-name->name+version spec))) + (if (assoc-ref opts 'recursive) + ;; Recursive import + (map (match-lambda + ((and ('package ('name name) . rest) pkg) + `(define-public ,(string->symbol name) + ,pkg)) + (_ #f)) + (egg-recursive-import name version)) + ;; Single import + (let ((sexp (egg->guix-package name version))) + (unless sexp + (leave (G_ "failed to download meta-data for package '~a'~%") + (if version + (string-append name "@" version) + name))) + sexp)))) (() (leave (G_ "too few arguments~%"))) ((many ...)