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-rw-r--r--doc/guix.texi8
-rw-r--r--guix/import/egg.scm37
-rw-r--r--guix/scripts/import/egg.scm34
3 files changed, 46 insertions, 33 deletions
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 @@
;;;
;;; The following happens under the hood:
;;;
-;;; * <git://code.call-cc.org/eggs-5-latest> 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.
+;;; * <git://code.call-cc.org/eggs-5-all> 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
;;; <https://code.call-cc.org/egg-tarballs/5>, so we grab the tarball for
@@ -96,7 +96,7 @@ 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 @@ to the repository."
(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 @@ return the package metadata in FILE."
;;; 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 <package> 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 <package> 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 @@ Specifying the SOURCE argument is mainly useful for developing a CHICKEN egg
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 @@ not work."
(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 @@
#: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 @@ Import and convert the egg package for PACKAGE-NAME.\n"))
(_ #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 ...)