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)
%default-package-module-path
fold-packages
+ fold-available-packages
+ find-newest-available-packages
find-packages-by-name
find-package-locations
find-best-packages-by-name
;; Search path for package modules. Each item must be either a directory
;; name or a pair whose car is a directory and whose cdr is a sub-directory
;; to narrow the search.
- (let* ((not-colon (char-set-complement (char-set #\:)))
- (environment (string-tokenize (or (getenv "GUIX_PACKAGE_PATH") "")
- not-colon))
- (channels (package-path-entries)))
+ (let*-values (((not-colon)
+ (char-set-complement (char-set #\:)))
+ ((environment)
+ (string-tokenize (or (getenv "GUIX_PACKAGE_PATH") "")
+ not-colon))
+ ((channels-scm channels-go)
+ (package-path-entries)))
;; Automatically add channels and items from $GUIX_PACKAGE_PATH to Guile's
;; search path. For historical reasons, $GUIX_PACKAGE_PATH goes to the
;; front; channels go to the back so that they don't override Guix' own
;; modules.
(set! %load-path
- (append environment %load-path channels))
+ (append environment %load-path channels-scm))
(set! %load-compiled-path
- (append environment %load-compiled-path channels))
+ (append environment %load-compiled-path channels-go))
(make-parameter
(append environment
%default-package-module-path
- channels))))
+ channels-scm))))
(define %patch-path
;; Define it after '%package-module-path' so that '%load-path' contains user
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:
+
+ (PROC NAME VERSION RESULT
+ #:outputs OUTPUTS
+ #:location LOCATION
+ …)
+
+PROC can use #:allow-other-keys to ignore the bits it's not interested in.
+When a package cache is available, this procedure does not actually load any
+package module."
+ (define cache
+ (load-package-cache (current-profile)))
+
+ (if (and cache (cache-is-authoritative?))
+ (vhash-fold (lambda (name vector result)
+ (match vector
+ (#(name version module symbol outputs
+ supported? deprecated?
+ file line column)
+ (proc name version result
+ #:outputs outputs
+ #:location (and file
+ (location file line column))
+ #:supported? supported?
+ #:deprecated? deprecated?))))
+ init
+ cache)
+ (fold-packages (lambda (package result)
+ (proc (package-name package)
+ (package-version package)
+ result
+ #:outputs (package-outputs package)
+ #:location (package-location package)
+ #:supported?
+ (->bool
+ (member (%current-system)
+ (package-supported-systems package)))
+ #:deprecated?
+ (->bool
+ (package-superseded package))))
+ init)))
+
(define* (fold-packages proc init
#:optional
(modules (all-modules (%package-module-path)
(define cache-file
(string-append directory %package-cache-file))
- (define (expand-cache module symbol variable result)
+ (define (expand-cache module symbol variable result+seen)
(match (false-if-exception (variable-ref variable))
((? package? package)
- (if (hidden-package? package)
- result
- (cons `#(,(package-name package)
- ,(package-version package)
- ,(module-name module)
- ,symbol
- ,(package-outputs package)
- ,(->bool (member (%current-system)
- (package-supported-systems package)))
- ,(->bool (package-superseded package))
- ,@(let ((loc (package-location package)))
- (if loc
- `(,(location-file loc)
- ,(location-line loc)
- ,(location-column loc))
- '(#f #f #f))))
- result)))
+ (match result+seen
+ ((result . seen)
+ (if (or (vhash-assq package seen)
+ (hidden-package? package))
+ (cons result seen)
+ (cons (cons `#(,(package-name package)
+ ,(package-version package)
+ ,(module-name module)
+ ,symbol
+ ,(package-outputs package)
+ ,(->bool
+ (member (%current-system)
+ (package-supported-systems package)))
+ ,(->bool (package-superseded package))
+ ,@(let ((loc (package-location package)))
+ (if loc
+ `(,(location-file loc)
+ ,(location-line loc)
+ ,(location-column loc))
+ '(#f #f #f))))
+ result)
+ (vhash-consq package #t seen))))))
(_
- result)))
+ result+seen)))
(define exp
- (fold-module-public-variables* expand-cache '()
- (all-modules (%package-module-path)
- #:warn
- warn-about-load-error)))
+ (first
+ (fold-module-public-variables* expand-cache
+ (cons '() vlist-null)
+ (all-modules (%package-module-path)
+ #:warn
+ warn-about-load-error))))
(mkdir-p (dirname cache-file))
(call-with-output-file cache-file
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)
HCoop / jackhill / guix / guix.git / blobdiff