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- (define-module (gnu packages)
- #:use-module (guix packages)
- #:use-module (guix ui)
- #:use-module (guix utils)
- #:use-module (guix discovery)
- #:use-module (guix memoization)
- #:use-module ((guix build utils)
- #:select ((package-name->name+version
- . hyphen-separated-name->name+version)))
- #:autoload (guix profiles) (packages->manifest)
- #:use-module (ice-9 vlist)
- #:use-module (ice-9 match)
- #:use-module (srfi srfi-1)
- #:use-module (srfi srfi-11)
- #:use-module (srfi srfi-26)
- #:use-module (srfi srfi-34)
- #:use-module (srfi srfi-35)
- #:use-module (srfi srfi-39)
- #:export (search-patch
- search-patches
- search-auxiliary-file
- search-bootstrap-binary
- %patch-path
- %auxiliary-files-path
- %bootstrap-binaries-path
- %package-module-path
- fold-packages
- find-packages-by-name
- find-best-packages-by-name
- find-newest-available-packages
- specification->package
- specification->package+output
- specifications->manifest))
- (define %bootstrap-binaries-path
- (make-parameter
- (map (cut string-append <> "/gnu/packages/bootstrap")
- %load-path)))
- (define %auxiliary-files-path
- (make-parameter
- (map (cut string-append <> "/gnu/packages/aux-files")
- %load-path)))
- (define (search-auxiliary-file file-name)
- "Search the auxiliary FILE-NAME. Return #f if not found."
- (search-path (%auxiliary-files-path) file-name))
- (define (search-patch file-name)
- "Search the patch FILE-NAME. Raise an error if not found."
- (or (search-path (%patch-path) file-name)
- (raise (condition
- (&message (message (format #f (G_ "~a: patch not found")
- file-name)))))))
- (define-syntax-rule (search-patches file-name ...)
- "Return the list of absolute file names corresponding to each
- FILE-NAME found in %PATCH-PATH."
- (list (search-patch file-name) ...))
- (define (search-bootstrap-binary file-name system)
- "Search the bootstrap binary FILE-NAME for SYSTEM. Raise an error if not
- found."
- (or (search-path (%bootstrap-binaries-path)
- (string-append system "/" file-name))
- (raise (condition
- (&message
- (message
- (format #f (G_ "could not find bootstrap binary '~a' \
- for system '~a'")
- file-name system)))))))
- (define %distro-root-directory
-
- (dirname (search-path %load-path "guix.scm")))
- (define %package-module-path
-
-
-
- (let* ((not-colon (char-set-complement (char-set #\:)))
- (environment (string-tokenize (or (getenv "GUIX_PACKAGE_PATH") "")
- not-colon)))
-
- (for-each (lambda (directory)
- (set! %load-path (cons directory %load-path))
- (set! %load-compiled-path
- (cons directory %load-compiled-path)))
- environment)
- (make-parameter
- (append environment `((,%distro-root-directory . "gnu/packages"))))))
- (define %patch-path
-
-
- (make-parameter
- (map (lambda (directory)
- (if (string=? directory %distro-root-directory)
- (string-append directory "/gnu/packages/patches")
- directory))
- %load-path)))
- (define* (fold-packages proc init
- #:optional
- (modules (all-modules (%package-module-path)))
- #:key (select? (negate hidden-package?)))
- "Call (PROC PACKAGE RESULT) for each available package defined in one of
- MODULES that matches SELECT?, using INIT as the initial value of RESULT. It
- is guaranteed to never traverse the same package twice."
- (fold-module-public-variables (lambda (object result)
- (if (and (package? object) (select? object))
- (proc object result)
- result))
- init
- modules))
- (define find-packages-by-name
- (let ((packages (delay
- (fold-packages (lambda (p r)
- (vhash-cons (package-name p) p r))
- vlist-null)))
- (version>? (lambda (p1 p2)
- (version>? (package-version p1) (package-version p2)))))
- (lambda* (name #:optional version)
- "Return the list of packages with the given NAME. If VERSION is not #f,
- then only return packages whose version is prefixed by VERSION, sorted in
- decreasing version order."
- (let ((matching (sort (vhash-fold* cons '() name (force packages))
- version>?)))
- (if version
- (filter (lambda (package)
- (string-prefix? version (package-version package)))
- matching)
- matching)))))
- (define find-newest-available-packages
- (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 (find-best-packages-by-name name version)
- "If version is #f, return the list of packages named NAME with the highest
- version numbers; otherwise, return the list of packages named NAME and at
- VERSION."
- (if version
- (find-packages-by-name name version)
- (match (vhash-assoc name (find-newest-available-packages))
- ((_ version pkgs ...) pkgs)
- (#f '()))))
- (define %sigint-prompt
-
- (make-prompt-tag "interruptible"))
- (define (call-with-sigint-handler thunk handler)
- "Call THUNK and return its value. Upon SIGINT, call HANDLER with the signal
- number in the context of the continuation of the call to this function, and
- return its return value."
- (call-with-prompt %sigint-prompt
- (lambda ()
- (sigaction SIGINT
- (lambda (signum)
- (sigaction SIGINT SIG_DFL)
- (abort-to-prompt %sigint-prompt signum)))
- (dynamic-wind
- (const #t)
- thunk
- (cut sigaction SIGINT SIG_DFL)))
- (lambda (k signum)
- (handler signum))))
- (define* (%find-package spec name version)
- (match (find-best-packages-by-name name version)
- ((pkg . pkg*)
- (unless (null? pkg*)
- (warning (G_ "ambiguous package specification `~a'~%") spec)
- (warning (G_ "choosing ~a@~a from ~a~%")
- (package-name pkg) (package-version pkg)
- (location->string (package-location pkg))))
- (match (package-superseded pkg)
- ((? package? new)
- (info (G_ "package '~a' has been superseded by '~a'~%")
- (package-name pkg) (package-name new))
- new)
- (#f
- pkg)))
- (x
- (if version
- (leave (G_ "~A: package not found for version ~a~%") name version)
- (leave (G_ "~A: unknown package~%") name)))))
- (define (specification->package spec)
- "Return a package matching SPEC. SPEC may be a package name, or a package
- name followed by an at-sign and a version number. If the version number is not
- present, return the preferred newest version."
- (let-values (((name version) (package-name->name+version spec)))
- (%find-package spec name version)))
- (define* (specification->package+output spec #:optional (output "out"))
- "Return the package and output specified by SPEC, or #f and #f; SPEC may
- optionally contain a version number and an output name, as in these examples:
- guile
- guile@2.0.9
- guile:debug
- 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."
- (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))
- (values package sub-drv)
- (leave (G_ "package `~a' lacks output `~a'~%")
- (package-full-name package)
- sub-drv))))))
- (define (specifications->manifest specs)
- "Given SPECS, a list of specifications such as \"emacs@25.2\" or
- \"guile:debug\", return a profile manifest."
-
-
- (packages->manifest
- (map (compose list specification->package+output) specs)))
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