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-rw-r--r--gnu/services/xorg.scm109
1 files changed, 109 insertions, 0 deletions
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index eb77822741..9205c6f9f4 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -12,6 +12,7 @@
;;; Copyright © 2021 Oleg Pykhalov <go.wigust@gmail.com>
;;; Copyright © 2021 Josselin Poiret <josselin.poiret@protonmail.ch>
;;; Copyright © 2022 Chris Marusich <cmmarusich@gmail.com>
+;;; Copyright © 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -32,6 +33,7 @@
#:autoload (gnu services sddm) (sddm-service-type)
#:use-module (gnu artwork)
#:use-module (gnu services)
+ #:use-module (gnu services configuration)
#:use-module (gnu services shepherd)
#:use-module (gnu system pam)
#:use-module (gnu system setuid)
@@ -114,6 +116,13 @@
localed-configuration?
localed-service-type
+ dconf-keyfile
+ dconf-profile
+ dconf-profile-name
+ dconf-profile-content
+ dconf-profile-keyfile
+ dconf-service-type
+
gdm-configuration
gdm-service-type
@@ -805,6 +814,106 @@ the GNOME desktop environment.")
;;;
+;;; Dconf.
+;;;
+
+(define-maybe text-config)
+
+(define-configuration/no-serialization dconf-keyfile
+ (name string
+ "The file name of the associated keyfile, e.g. \"00-login-screen\".")
+ (content text-config "The content of the associated keyfile."))
+
+(define-configuration/no-serialization dconf-profile
+ (name string "The file name of the dconf system profile, which should match
+the name of a user for which the profile is to be used with. To have the
+profile used, the environment variable \"DCONF_PROFILE\" should be set to the
+profile file, e.g.:
+@example
+ export DCONF_PROFILE=/etc/dconf/profile/gdm
+@end example")
+ (content maybe-text-config "The content of the Dconf profile. Unless
+provided, it defaults to include the user database (\"user-db:NAME\") as well
+as the system database (\"system-db:NAME\"), which corresponds to the
+generated database, @file{/etc/dconf/db/NAME}.")
+ (keyfile dconf-keyfile "The keyfile associated with the profile"))
+
+(define dconf-profiles?
+ (list-of dconf-profile?))
+
+(define-configuration/no-serialization dconf-configuration
+ (profiles dconf-profiles "The list of <dconf-profile> objects to populate."))
+
+(define (dconf-profile->profile-file profile)
+ "Given PROFILE, a <dconf-profile> object, return a dconf profile file."
+ (let ((name (dconf-profile-name profile))
+ (content (dconf-profile-content profile)))
+ (apply mixed-text-file
+ name
+ (if (maybe-value-set? content)
+ (interpose content "\n" 'suffix)
+ (interpose (list (string-append "user-db:" name)
+ (string-append "system-db:" name))
+ "\n" 'suffix)))))
+
+(define (dconf-profile->db-keyfile profile)
+ "Given PROFILE, a <dconf-profile> object, return a dconf profile file."
+ (let ((keyfile (dconf-profile-keyfile profile)))
+ (apply mixed-text-file (dconf-keyfile-name keyfile)
+ (interpose (dconf-keyfile-content keyfile) "\n" 'suffix))))
+
+(define (dconf-profile->db-keyfile-dir profile)
+ "Wrap the keyfile in a directory, to satisfy 'dconf compile'."
+ (let ((name (dconf-profile-name profile))
+ (keyfile-name (dconf-keyfile-name (dconf-profile-keyfile profile))))
+ (computed-file name
+ #~(begin
+ (mkdir #$output)
+ (symlink #$(dconf-profile->db-keyfile profile)
+ (string-append #$output "/" #$keyfile-name))))))
+
+(define (dconf-profile->db profile)
+ "Compile the a <dconf-profile> object into a GVariant Database file."
+ (let ((name (dconf-profile-name profile)))
+ (computed-file
+ name
+ (with-imported-modules '((guix build utils))
+ #~(begin
+ (use-modules (guix build utils))
+ (setenv "DCONF_PROFILE" #$(dconf-profile->profile-file profile))
+ (invoke #$(file-append dconf "/bin/dconf") "compile"
+ #$output #$(dconf-profile->db-keyfile-dir profile)))))))
+
+(define (dconf-profile->files profile)
+ "Given PROFILE, a <dconf-profile> object, return a dconf directory
+containing the associated profile, keyfile and database files to be assembled
+under /etc."
+ (let ((name (dconf-profile-name profile))
+ (keyfile-name (dconf-keyfile-name (dconf-profile-keyfile profile))))
+ (list (list (string-append "dconf/profile/" name)
+ (dconf-profile->profile-file profile))
+ (list (string-append "dconf/db/" name ".d/" keyfile-name)
+ (dconf-profile->db-keyfile profile))
+ (list (string-append "dconf/db/" name)
+ (dconf-profile->db profile)))))
+
+(define dconf-service-type
+ (service-type
+ (name 'dconf-profile)
+ (extensions
+ (list (service-extension etc-service-type
+ (lambda (dconf-profiles)
+ (append-map dconf-profile->files
+ dconf-profiles)))))
+ (compose concatenate)
+ (extend append)
+ (default-value '())
+ (description "Extend the @code{etc-service-type} to populate the file
+hierarchy under @file{/etc/dconf} with the <dconf-profile> objects provided as
+argument.")))
+
+
+;;;
;;; GNOME Desktop Manager.
;;;