;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2015-2023 Ludovic Courtès ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify it ;;; under the terms of the GNU General Public License as published by ;;; the Free Software Foundation; either version 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix is distributed in the hope that it will be useful, but ;;; WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see . (define-module (test-graph) #:use-module (guix tests) #:use-module (guix graph) #:use-module (guix scripts graph) #:use-module (guix packages) #:use-module (guix derivations) #:use-module (guix store) #:use-module (guix monads) #:use-module (guix build-system gnu) #:use-module (guix build-system trivial) #:use-module (guix gexp) #:use-module (guix utils) #:use-module (gnu packages) #:use-module (gnu packages base) #:use-module (gnu packages bootstrap) #:use-module (gnu packages guile) #:use-module (gnu packages libunistring) #:use-module (gnu packages bootstrap) #:use-module (ice-9 match) #:use-module (ice-9 sandbox) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) #:use-module (srfi srfi-26) #:use-module (srfi srfi-64)) (define %store (open-connection-for-tests)) ;; Globally disable grafts because they can trigger early builds. (%graft? #f) (define (make-recording-backend) "Return a and a thunk that returns the recorded nodes and edges." (let ((nodes '()) (edges '())) (define (record-node id label port) (set! nodes (cons (list id label) nodes))) (defin
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu services games)
  #:use-module (gnu services)
  #:use-module (gnu services configuration)
  #:use-module (gnu services shepherd)
  #:use-module (gnu packages admin)
  #:use-module (gnu packages games)
  #:use-module ((gnu services base) #:select (udev-service-type))
  #:use-module (gnu system shadow)
  #:use-module ((gnu system file-systems) #:select (file-system-mapping))
  #:use-module (gnu build linux-container)
  #:autoload   (guix least-authority) (least-authority-wrapper)
  #:use-module (guix gexp)
  #:use-module (guix modules)
  #:use-module (guix packages)
  #:use-module (guix records)
  #:use-module (ice-9 match)
  #:export (joycond-configuration
            joycond-configuration?
            joycond-service-type

            wesnothd-configuration
            wesnothd-configuration?
            wesnothd-service-type))

;;;
;;; Joycond
;;;

(define-configuration/no-serialization joycond-configuration
  (package (package joycond) "The joycond package to use"))

(define (joycond-shepherd-service config)
  (let ((joycond (joycond-configuration-package config)))
    (list (shepherd-service
           (documentation "Run joycond.")
           (provision '(joycond))
           (requirement '(bluetooth))
           (start #~(make-forkexec-constructor
                     (list #$(file-append joycond "/bin/joycond"))))
           (stop #~(make-kill-destructor))))))

(define joycond-service-type
  (service-type
   (name 'joycond)
   (description
    "Run @command{joycond} for pairing Nintendo joycons via Bluetooth and
install udev rules required to use the controller as an unprivileged user.")
   (extensions
    (list (service-extension shepherd-root-service-type
                             joycond-shepherd-service)
          (service-extension udev-service-type
                             (compose list joycond-configuration-package))))
   (default-value (joycond-configuration))))


;;;
;;; The Battle for Wesnoth server
;;;

(define-record-type* <wesnothd-configuration>
  wesnothd-configuration make-wesnothd-configuration wesnothd-configuration?
  (package wesnothd-configuration-package
           (default wesnoth-server))
  (port wesnothd-configuration-port
        (default 15000)))

(define %wesnothd-accounts
  (list (user-account
         (name "wesnothd")
         (group "wesnothd")
         (system? #t)
         (comment "Wesnoth daemon user")
         (home-directory "/var/empty")
         (shell (file-append shadow "/sbin/nologin")))
        (user-group
         (name "wesnothd")
         (system? #t))))

(define wesnothd-shepherd-service
  (match-lambda
    (($ <wesnothd-configuration> package port)
     (let ((wesnothd (least-authority-wrapper
                      (file-append package "/bin/wesnothd")
                      #:name "wesnothd"
                      #:mappings (list (file-system-mapping
                                        (source "/var/run/wesnothd")
                                        (target source)
                                        (writable? #t)))
                      #:namespaces (delq 'net %namespaces))))
       (shepherd-service
        (documentation "The Battle for Wesnoth server")
        (provision '(wesnoth-daemon))
        (requirement '(networking))
        (start #~(make-forkexec-constructor
                  (list #$wesnothd "-p" #$(number->string port))
                  #:user "wesnothd" #:group "wesnothd"))
        (stop #~(make-kill-destructor)))))))

(define wesnothd-activation
  (with-imported-modules '((guix build utils))
    #~(begin
        (use-modules (guix build utils))

        (let* ((user (getpw "wesnothd"))
               (directory "/var/run/wesnothd"))
          ;; wesnothd creates a Unix-domain socket in DIRECTORY.
          (mkdir-p directory)
          (chown directory (passwd:uid user) (passwd:gid user))))))

(define wesnothd-service-type
  (service-type
   (name 'wesnothd)
   (description
    "Run The Battle for Wesnoth server @command{wesnothd}.")
   (extensions
    (list (service-extension account-service-type
                             (const %wesnothd-accounts))
          (service-extension activation-service-type
                             (const wesnothd-activation))
          (service-extension shepherd-root-service-type
                             (compose list wesnothd-shepherd-service))))
   (default-value (wesnothd-configuration))))
generated by cgit
store (export-graph (list p) 'port #:node-type %bag-node-type #:backend backend)) ;; We should see P, its implicit inputs as well as the whole DAG, which ;; should include bootstrap binaries. (let-values (((nodes edges) (nodes+edges))) (every (lambda (name) (find (cut string=? name <>) (match nodes (((labels names) ...) names)))) (match (%bootstrap-inputs) (((labels packages) ...) (map package-full-name (filter package? packages))))))))) (test-assert "bag DAG, including origins" (let-values (((backend nodes+edges) (make-recording-backend))) (let* ((m (lambda* (uri hash-type hash name #:key system) (text-file "foo-1.2.3.tar.gz" "This is a fake!"))) (o (origin (method m) (uri "the-uri") (sha256 (base32 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")))) (p (dummy-package "p" (source o)))) (run-with-store %store (export-graph (list p) 'port #:node-type %bag-with-origins-node-type #:backend backend)) ;; We should see O among the nodes, with an edge coming from P. (let-values (((nodes edges) (nodes+edges))) (run-with-store %store (mlet %store-monad ((o* (lower-object o)) (p* (lower-object p)) (g (lower-object (default-guile)))) (return (and (find (match-lambda ((file "the-uri") #t) (_ #f)) nodes) (find (match-lambda ((source target) (and (string=? source (derivation-file-name p*)) (string=? target o*)))) edges) ;; There must also be an edge from O to G. (find (match-lambda ((source target) (and (string=? source o*) (string=? target (derivation-file-name g))))) edges))))))))) (test-assert "reverse bag DAG" (let-values (((dune camomile utop) (values (specification->package "dune") (specification->package "ocaml-camomile") (specification->package "ocaml-utop"))) ((backend nodes+edges) (make-recording-backend))) (run-with-store %store (export-graph (list dune) 'port #:node-type %reverse-bag-node-type #:backend backend)) (run-with-store %store (mlet %store-monad ((dune-drv (package->derivation dune)) (camomile-drv (package->derivation camomile)) (utop-drv (package->derivation utop))) ;; CAMOMILE uses 'dune-build-system' so DUNE is a direct dependency. ;; UTOP is much higher in the stack but it should be there. (let-values (((nodes edges) (nodes+edges))) (return (and (member `(,(derivation-file-name camomile-drv) ,(package-full-name camomile)) nodes) (->bool (member (map derivation-file-name (list dune-drv utop-drv)) edges))))))))) (test-assert "derivation DAG" (let-values (((backend nodes+edges) (make-recording-backend))) (run-with-store %store (mlet* %store-monad ((txt (text-file "text-file" "Hello!")) (guile (package->derivation %bootstrap-guile)) (drv (gexp->derivation "output" #~(symlink #$txt #$output) #:guile-for-build guile))) ;; We should get at least these 3 nodes and corresponding edges. (mbegin %store-monad (export-graph (list drv) 'port #:node-type %derivation-node-type #:backend backend) (let-values (((nodes edges) (nodes+edges))) ;; XXX: For some reason we need to throw in some 'basename'. (return (and (match nodes (((ids labels) ...) (let ((ids (map basename ids))) (every (lambda (item) (member (basename item) ids)) (list txt (derivation-file-name drv) (derivation-file-name guile)))))) (every (cut member <> (map (lambda (edge) (map basename edge)) edges)) (list (map (compose basename derivation-file-name) (list drv guile)) (list (basename (derivation-file-name drv)) (basename txt)))))))))))) (test-assert "reference DAG" (let-values (((backend nodes+edges) (make-recording-backend))) (run-with-store %store (mlet* %store-monad ((txt (text-file "text-file" "Hello!")) (guile (package->derivation %bootstrap-guile)) (drv (gexp->derivation "output" #~(symlink #$txt #$output) #:guile-for-build guile)) (out -> (derivation->output-path drv))) ;; We should see only OUT and TXT, with an edge from the former to the ;; latter. (mbegin %store-monad (built-derivations (list drv)) (export-graph (list (derivation->output-path drv)) 'port #:node-type %reference-node-type #:backend backend) (let-values (((nodes edges) (nodes+edges))) (return (and (equal? (match nodes (((ids labels) ...) ids)) (list out txt)) (equal? edges `((,out ,txt))))))))))) (test-assert "referrer DAG" (let-values (((backend nodes+edges) (make-recording-backend))) (run-with-store %store (mlet* %store-monad ((txt (text-file "referrer-node" (random-text))) (drv (gexp->derivation "referrer" #~(symlink #$txt #$output))) (out -> (derivation->output-path drv))) ;; We should see only TXT and OUT, with an edge from the former to the ;; latter. (mbegin %store-monad (built-derivations (list drv)) (export-graph (list txt) 'port #:node-type %referrer-node-type #:backend backend) (let-values (((nodes edges) (nodes+edges))) (return (and (equal? (match nodes (((ids labels) ...) ids)) (list txt out)) (equal? edges `((,txt ,out))))))))))) (test-assert "module graph" (let-values (((backend nodes+edges) (make-recording-backend))) (run-with-store %store (export-graph '((gnu packages guile)) 'port #:node-type %module-node-type #:backend backend)) (let-values (((nodes edges) (nodes+edges))) (and (member '(gnu packages guile) (match nodes (((ids labels) ...) ids))) (->bool (and (member (list '(gnu packages guile) '(gnu packages libunistring)) edges) (member (list '(gnu packages guile) '(gnu packages bdw-gc)) edges))))))) (test-assert "node-edges" (run-with-store %store (let ((packages (fold-packages cons '()))) (mlet %store-monad ((edges (node-edges %package-node-type packages))) (return (and (null? (edges hello)) (lset= eq? (edges guile-2.0) (match (package-direct-inputs guile-2.0) (((labels packages _ ...) ...) packages))))))))) (test-equal "node-transitive-edges + node-back-edges" '() (run-with-store %store (let ((packages (fold-packages cons '())) (bootstrap? (lambda (package) (string-contains (location-file (package-location package)) "bootstrap.scm"))) (trivial? (lambda (package) (eq? (package-build-system package) trivial-build-system))) (system-specific? (lambda (package) (memq #:system (package-arguments package))))) (mlet %store-monad ((edges (node-back-edges %bag-node-type packages))) (let* ((glibc (canonical-package glibc)) (dependents (node-transitive-edges (list glibc) edges)) (diff (lset-difference eq? packages dependents))) ;; All the packages depend on libc, except bootstrap packages, some ;; packages that use TRIVIAL-BUILD-SYSTEM, and some that target a ;; specific system and thus may depend on a different libc package ;; object. (return (remove (lambda (package) (or (trivial? package) (bootstrap? package) (system-specific? package))) diff))))))) (test-assert "node-transitive-edges, no duplicates" (run-with-store %store (let* ((p0 (dummy-package "p0")) (p1a (dummy-package "p1a" (inputs `(("p0" ,p0))))) (p1b (dummy-package "p1b" (inputs `(("p0" ,p0))))) (p2 (dummy-package "p2" (inputs `(("p1a" ,p1a) ("p1b" ,p1b)))))) (mlet %store-monad ((edges (node-edges %package-node-type (list p2 p1a p1b p0)))) (return (lset= eq? (node-transitive-edges (list p2) edges) (list p1a p1b p0))))))) (test-assert "node-transitive-edges, references" (run-with-store %store (mlet* %store-monad ((d0 (package->derivation %bootstrap-guile)) (d1 (gexp->derivation "d1" #~(begin (mkdir #$output) (symlink #$%bootstrap-guile (string-append #$output "/l"))))) (d2 (gexp->derivation "d2" #~(begin (mkdir #$output) (symlink #$d1 (string-append #$output "/l"))))) (_ (built-derivations (list d2))) (->node -> (node-type-convert %reference-node-type)) (o2 (->node (derivation->output-path d2))) (o1 (->node (derivation->output-path d1))) (o0 (->node (derivation->output-path d0))) (edges (node-edges %reference-node-type (append o0 o1 o2))) (reqs ((store-lift requisites) o2))) (return (lset= string=? (append o2 (node-transitive-edges o2 edges)) reqs))))) (test-equal "node-reachable-count" '(3 3) (run-with-store %store (let* ((p0 (dummy-package "p0")) (p1a (dummy-package "p1a" (inputs `(("p0" ,p0))))) (p1b (dummy-package "p1b" (inputs `(("p0" ,p0))))) (p2 (dummy-package "p2" (inputs `(("p1a" ,p1a) ("p1b" ,p1b)))))) (mlet* %store-monad ((all -> (list p2 p1a p1b p0)) (edges (node-edges %package-node-type all)) (back (node-back-edges %package-node-type all))) (return (list (node-reachable-count (list p2) edges) (node-reachable-count (list p0) back))))))) (test-equal "shortest-path, packages + derivations" '(("p5" "p4" "p1" "p0") ("p3" "p2" "p1" "p0") #f ("p5-0.drv" "p4-0.drv" "p1-0.drv" "p0-0.drv")) (run-with-store %store (let* ((p0 (dummy-package "p0")) (p1 (dummy-package "p1" (inputs `(("p0" ,p0))))) (p2 (dummy-package "p2" (inputs `(("p1" ,p1))))) (p3 (dummy-package "p3" (inputs `(("p2" ,p2))))) (p4 (dummy-package "p4" (inputs `(("p1" ,p1))))) (p5 (dummy-package "p5" (inputs `(("p4" ,p4) ("p3" ,p3)))))) (mlet* %store-monad ((path1 (shortest-path p5 p0 %package-node-type)) (path2 (shortest-path p3 p0 %package-node-type)) (nope (shortest-path p3 p4 %package-node-type)) (drv5 (package->derivation p5)) (drv0 (package->derivation p0)) (path3 (shortest-path drv5 drv0 %derivation-node-type))) (return (append (map (lambda (path) (and path (map package-name path))) (list path1 path2 nope)) (list (map (node-type-label %derivation-node-type) path3)))))))) (test-equal "shortest-path, reverse packages" '("libffi" "guile" "guile-json") (run-with-store %store (mlet %store-monad ((path (shortest-path (specification->package "libffi") guile-json-1 %reverse-package-node-type))) (return (map package-name path))))) (test-equal "shortest-path, references" `(("d2" "d1" ,(package-full-name %bootstrap-guile "-")) (,(package-full-name %bootstrap-guile "-") "d1" "d2")) (run-with-store %store (mlet* %store-monad ((d0 (package->derivation %bootstrap-guile)) (d1 (gexp->derivation "d1" #~(begin (mkdir #$output) (symlink #$%bootstrap-guile (string-append #$output "/l"))))) (d2 (gexp->derivation "d2" #~(begin (mkdir #$output) (symlink #$d1 (string-append #$output "/l"))))) (_ (built-derivations (list d2))) (->node -> (node-type-convert %reference-node-type)) (o2 (->node (derivation->output-path d2))) (o0 (->node (derivation->output-path d0))) (path (shortest-path (first o2) (first o0) %reference-node-type)) (rpath (shortest-path (first o0) (first o2) %referrer-node-type))) (return (list (map (node-type-label %reference-node-type) path) (map (node-type-label %referrer-node-type) rpath)))))) (test-end "graph")