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authorAlex Kost <alezost@gmail.com>2016-01-27 15:45:01 +0300
committerAlex Kost <alezost@gmail.com>2016-01-29 20:21:53 +0300
commit0190c1c02fd8cefa9642add58b4c7ccf75f082a7 (patch)
treec25c9eb16b2d1bb6d242c073637811d16ae8d391 /gnu/services/dmd.scm
parentdd17bc38213d72a06d9a2a1e5402abcf24b0c21a (diff)
downloadguix-0190c1c02fd8cefa9642add58b4c7ccf75f082a7.tar.gz
Rename (gnu services dmd) to (gnu services shepherd).
* gnu/services/dmd.scm: Rename to...
* gnu/services/shepherd.scm: ... this.
* gnu/system.scm: Use it.
* gnu/system/install.scm: Likewise.
* gnu/services/xorg.scm: Likewise.
* gnu/services/web.scm: Likewise.
* gnu/services/ssh.scm: Likewise.
* gnu/services/networking.scm: Likewise.
* gnu/services/mail.scm: Likewise.
* gnu/services/lirc.scm: Likewise.
* gnu/services/desktop.scm: Likewise.
* gnu/services/dbus.scm: Likewise.
* gnu/services/databases.scm: Likewise.
* gnu/services/base.scm: Likewise.
* gnu/services/avahi.scm: Likewise.
* guix/scripts/system.scm: Likewise.
* tests/services.scm: Likewise.
* tests/guix-system.sh: Likewise.
* doc/guix.texi (Shepherd Services): Adjust accordingly.
* gnu-system.am (GNU_SYSTEM_MODULES): Likewise.
* po/guix/POTFILES.in: Likewise.
Diffstat (limited to 'gnu/services/dmd.scm')
-rw-r--r--gnu/services/dmd.scm275
1 files changed, 0 insertions, 275 deletions
diff --git a/gnu/services/dmd.scm b/gnu/services/dmd.scm
deleted file mode 100644
index 828d781e4a..0000000000
--- a/gnu/services/dmd.scm
+++ /dev/null
@@ -1,275 +0,0 @@
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016 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 dmd)
-  #:use-module (guix ui)
-  #:use-module (guix sets)
-  #:use-module (guix gexp)
-  #:use-module (guix store)
-  #:use-module (guix monads)
-  #:use-module (guix records)
-  #:use-module (guix derivations)                 ;imported-modules, etc.
-  #:use-module (gnu services)
-  #:use-module (gnu packages admin)
-  #:use-module (ice-9 match)
-  #:use-module (ice-9 vlist)
-  #:use-module (srfi srfi-1)
-  #:use-module (srfi srfi-26)
-  #:use-module (srfi srfi-34)
-  #:use-module (srfi srfi-35)
-  #:export (dmd-root-service-type
-            %dmd-root-service
-            dmd-service-type
-
-            dmd-service
-            dmd-service?
-            dmd-service-documentation
-            dmd-service-provision
-            dmd-service-requirement
-            dmd-service-respawn?
-            dmd-service-start
-            dmd-service-stop
-            dmd-service-auto-start?
-            dmd-service-modules
-            dmd-service-imported-modules
-
-            %default-imported-modules
-            %default-modules
-
-            dmd-service-back-edges))
-
-;;; Commentary:
-;;;
-;;; Instantiating system services as a dmd configuration file.
-;;;
-;;; Code:
-
-
-(define (dmd-boot-gexp services)
-  (mlet %store-monad ((dmd-conf (dmd-configuration-file services)))
-    (return #~(begin
-                ;; Keep track of the booted system.
-                (false-if-exception (delete-file "/run/booted-system"))
-                (symlink (readlink "/run/current-system")
-                         "/run/booted-system")
-
-                ;; Close any remaining open file descriptors to be on the safe
-                ;; side.  This must be the very last thing we do, because
-                ;; Guile has internal FDs such as 'sleep_pipe' that need to be
-                ;; alive.
-                (let loop ((fd 3))
-                  (when (< fd 1024)
-                    (false-if-exception (close-fdes fd))
-                    (loop (+ 1 fd))))
-
-                ;; Start shepherd.
-                (execl (string-append #$shepherd "/bin/shepherd")
-                       "shepherd" "--config" #$dmd-conf)))))
-
-(define dmd-root-service-type
-  (service-type
-   (name 'dmd-root)
-   ;; Extending the root dmd service (aka. PID 1) happens by concatenating the
-   ;; list of services provided by the extensions.
-   (compose concatenate)
-   (extend append)
-   (extensions (list (service-extension boot-service-type dmd-boot-gexp)
-                     (service-extension profile-service-type
-                                        (const (list shepherd)))))))
-
-(define %dmd-root-service
-  ;; The root dmd service, aka. PID 1.  Its parameter is a list of
-  ;; <dmd-service> objects.
-  (service dmd-root-service-type '()))
-
-(define-syntax-rule (dmd-service-type service-name proc)
-  "Return a <service-type> denoting a simple dmd service--i.e., the type for a
-service that extends DMD-ROOT-SERVICE-TYPE and nothing else."
-  (service-type
-   (name service-name)
-   (extensions
-    (list (service-extension dmd-root-service-type
-                             (compose list proc))))))
-
-(define %default-imported-modules
-  ;; Default set of modules imported for a service's consumption.
-  '((guix build utils)
-    (guix build syscalls)))
-
-(define %default-modules
-  ;; Default set of modules visible in a service's file.
-  `((shepherd service)
-    (oop goops)
-    (guix build utils)
-    (guix build syscalls)))
-
-(define-record-type* <dmd-service>
-  dmd-service make-dmd-service
-  dmd-service?
-  (documentation dmd-service-documentation        ;string
-                 (default "[No documentation.]"))
-  (provision     dmd-service-provision)           ;list of symbols
-  (requirement   dmd-service-requirement          ;list of symbols
-                 (default '()))
-  (respawn?      dmd-service-respawn?             ;Boolean
-                 (default #t))
-  (start         dmd-service-start)               ;g-expression (procedure)
-  (stop          dmd-service-stop                 ;g-expression (procedure)
-                 (default #~(const #f)))
-  (auto-start?   dmd-service-auto-start?          ;Boolean
-                 (default #t))
-  (modules       dmd-service-modules              ;list of module names
-                 (default %default-modules))
-  (imported-modules dmd-service-imported-modules  ;list of module names
-                    (default %default-imported-modules)))
-
-
-(define (assert-valid-graph services)
-  "Raise an error if SERVICES does not define a valid dmd service graph, for
-instance if a service requires a nonexistent service, or if more than one
-service uses a given name.
-
-These are constraints that dmd's 'register-service' verifies but we'd better
-verify them here statically than wait until PID 1 halts with an assertion
-failure."
-  (define provisions
-    ;; The set of provisions (symbols).  Bail out if a symbol is given more
-    ;; than once.
-    (fold (lambda (service set)
-            (define (assert-unique symbol)
-              (when (set-contains? set symbol)
-                (raise (condition
-                        (&message
-                         (message
-                          (format #f (_ "service '~a' provided more than once")
-                                  symbol)))))))
-
-            (for-each assert-unique (dmd-service-provision service))
-            (fold set-insert set (dmd-service-provision service)))
-          (setq 'dmd)
-          services))
-
-  (define (assert-satisfied-requirements service)
-    ;; Bail out if the requirements of SERVICE aren't satisfied.
-    (for-each (lambda (requirement)
-                (unless (set-contains? provisions requirement)
-                  (raise (condition
-                          (&message
-                           (message
-                            (format #f (_ "service '~a' requires '~a', \
-which is undefined")
-                                    (match (dmd-service-provision service)
-                                      ((head . _) head)
-                                      (_          service))
-                                    requirement)))))))
-              (dmd-service-requirement service)))
-
-  (for-each assert-satisfied-requirements services))
-
-(define (dmd-service-file-name service)
-  "Return the file name where the initialization code for SERVICE is to be
-stored."
-  (let ((provisions (string-join (map symbol->string
-                                      (dmd-service-provision service)))))
-    (string-append "dmd-"
-                   (string-map (match-lambda
-                                 (#\/ #\-)
-                                 (chr chr))
-                               provisions)
-                   ".scm")))
-
-(define (dmd-service-file service)
-  "Return a file defining SERVICE."
-  (gexp->file (dmd-service-file-name service)
-              #~(begin
-                  (use-modules #$@(dmd-service-modules service))
-
-                  (make <service>
-                    #:docstring '#$(dmd-service-documentation service)
-                    #:provides '#$(dmd-service-provision service)
-                    #:requires '#$(dmd-service-requirement service)
-                    #:respawn? '#$(dmd-service-respawn? service)
-                    #:start #$(dmd-service-start service)
-                    #:stop #$(dmd-service-stop service)))))
-
-(define (dmd-configuration-file services)
-  "Return the dmd configuration file for SERVICES."
-  (define modules
-    (delete-duplicates
-     (append-map dmd-service-imported-modules services)))
-
-  (assert-valid-graph services)
-
-  (mlet %store-monad ((modules  (imported-modules modules))
-                      (compiled (compiled-modules modules))
-                      (files    (mapm %store-monad dmd-service-file services)))
-    (define config
-      #~(begin
-          (eval-when (expand load eval)
-            (set! %load-path (cons #$modules %load-path))
-            (set! %load-compiled-path
-              (cons #$compiled %load-compiled-path)))
-
-          (use-modules (system repl error-handling))
-
-          ;; Arrange to spawn a REPL if loading one of FILES fails.  This is
-          ;; better than a kernel panic.
-          (call-with-error-handling
-            (lambda ()
-              (apply register-services (map primitive-load '#$files))))
-
-          ;; guix-daemon 0.6 aborts if 'PATH' is undefined, so work around it.
-          (setenv "PATH" "/run/current-system/profile/bin")
-
-          (format #t "starting services...~%")
-          (for-each start
-                    '#$(append-map dmd-service-provision
-                                   (filter dmd-service-auto-start?
-                                           services)))))
-
-    (gexp->file "dmd.conf" config)))
-
-(define (dmd-service-back-edges services)
-  "Return a procedure that, when given a <dmd-service> from SERVICES, returns
-the list of <dmd-service> that depend on it."
-  (define provision->service
-    (let ((services (fold (lambda (service result)
-                            (fold (cut vhash-consq <> service <>)
-                                  result
-                                  (dmd-service-provision service)))
-                          vlist-null
-                          services)))
-      (lambda (name)
-        (match (vhash-assq name services)
-          ((_ . service) service)
-          (#f            #f)))))
-
-  (define edges
-    (fold (lambda (service edges)
-            (fold (lambda (requirement edges)
-                    (vhash-consq (provision->service requirement) service
-                                 edges))
-                  edges
-                  (dmd-service-requirement service)))
-          vlist-null
-          services))
-
-  (lambda (service)
-    (vhash-foldq* cons '() service edges)))
-
-;;; dmd.scm ends here