mkdir-p))
#:autoload (guix profiles) (packages->manifest)
#:use-module (guix describe)
+ #:use-module (guix deprecation)
#:use-module (ice-9 vlist)
#:use-module (ice-9 match)
#:autoload (ice-9 binary-ports) (put-bytevector)
fold-packages
fold-available-packages
+ find-newest-available-packages
find-packages-by-name
find-package-locations
find-best-packages-by-name
directory))
%load-path)))
+;; This procedure is used by Emacs-Guix up to 0.5.1.1, so keep it for now.
+;; See <https://github.com/alezost/guix.el/issues/30>.
+(define-deprecated find-newest-available-packages
+ find-packages-by-name
+ (mlambda ()
+ "Return a vhash keyed by package names, and with
+associated values of the form
+
+ (newest-version newest-package ...)
+
+where the preferred package is listed first."
+ (fold-packages (lambda (p r)
+ (let ((name (package-name p))
+ (version (package-version p)))
+ (match (vhash-assoc name r)
+ ((_ newest-so-far . pkgs)
+ (case (version-compare version newest-so-far)
+ ((>) (vhash-cons name `(,version ,p) r))
+ ((=) (vhash-cons name `(,version ,p ,@pkgs) r))
+ ((<) r)))
+ (#f (vhash-cons name `(,version ,p) r)))))
+ vlist-null)))
+
(define (fold-available-packages proc init)
"Fold PROC over the list of available packages. For each available package,
PROC is called along these lines:
guile@2.0.9:debug
If SPEC does not specify a version number, return the preferred newest
-version; if SPEC does not specify an output, return OUTPUT."
+version; if SPEC does not specify an output, return OUTPUT.
+
+When OUTPUT is false and SPEC does not specify any output, return #f as the
+output."
(let-values (((name version sub-drv)
(package-specification->name+version+output spec output)))
(match (%find-package spec name version)
(#f
(values #f #f))
(package
- (if (member sub-drv (package-outputs package))
+ (if (or (and (not output) (not sub-drv))
+ (member sub-drv (package-outputs package)))
(values package sub-drv)
(leave (G_ "package `~a' lacks output `~a'~%")
(package-full-name package)