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authorJosselin Poiret <dev@jpoiret.xyz>2021-10-02 16:51:34 +0000
committerMathieu Othacehe <othacehe@gnu.org>2021-10-02 17:24:00 +0000
commitdb4681a4c17d282a661552f2f57e5c453d02e414 (patch)
tree876ee44be90f13572f3fbc72896ff6153d25a3b9
parent5c3f0c3e03757b6653f4c2386a526a2d9d6532f7 (diff)
services: gdm: Add Wayland support.
* gnu/packages/patches/gdm-wayland-session-wrapper-from-env.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/gnome.scm (gdm): Use it. * gnu/services/xorg.scm (<gdm-configuration>)[wayland-session]: New field. (gdm-wayland-session-wrapper): New procedure. (gdm-configuration-file): Point to this new procedure. * doc/guix.texi (X Window): Update it. Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
-rw-r--r--doc/guix.texi4
-rw-r--r--gnu/local.mk1
-rw-r--r--gnu/packages/gnome.scm3
-rw-r--r--gnu/packages/patches/gdm-wayland-session-wrapper-from-env.patch35
-rw-r--r--gnu/services/xorg.scm27
5 files changed, 67 insertions, 3 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 6d925a44b8..d92c85727b 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -18309,6 +18309,10 @@ The GDM package to use.
@item @code{wayland?} (default: @code{#f})
When true, enables Wayland in GDM, necessary to use Wayland sessions.
+
+@item @code{wayland-session} (default: @code{gdm-wayland-session-wrapper})
+The Wayland session wrapper to use, needed to setup the
+environment.
@end table
@end deftp
diff --git a/gnu/local.mk b/gnu/local.mk
index cc2a634d37..07e0785c05 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1102,6 +1102,7 @@ dist_patch_DATA = \
%D%/packages/patches/gdm-default-session.patch \
%D%/packages/patches/gdm-elogind-support.patch \
%D%/packages/patches/gdm-remove-hardcoded-xwayland-path.patch \
+ %D%/packages/patches/gdm-wayland-session-wrapper-from-env.patch \
%D%/packages/patches/geary-CVE-2020-24661.patch \
%D%/packages/patches/genimage-signedness.patch \
%D%/packages/patches/geoclue-config.patch \
diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index f0a8a4265d..c705d68943 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -8150,7 +8150,8 @@ library.")
(search-patches
"gdm-default-session.patch"
"gdm-elogind-support.patch"
- "gdm-remove-hardcoded-xwayland-path.patch"))))
+ "gdm-remove-hardcoded-xwayland-path.patch"
+ "gdm-wayland-session-wrapper-from-env.patch"))))
(build-system meson-build-system)
(arguments
`(#:glib-or-gtk? #t
diff --git a/gnu/packages/patches/gdm-wayland-session-wrapper-from-env.patch b/gnu/packages/patches/gdm-wayland-session-wrapper-from-env.patch
new file mode 100644
index 0000000000..28d4b5b9fa
--- /dev/null
+++ b/gnu/packages/patches/gdm-wayland-session-wrapper-from-env.patch
@@ -0,0 +1,35 @@
+Get wayland-session wrapper from environment.
+
+---
+ daemon/gdm-session.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/daemon/gdm-session.c b/daemon/gdm-session.c
+index 4e303e70..1deca4e9 100644
+--- a/daemon/gdm-session.c
++++ b/daemon/gdm-session.c
+@@ -2888,8 +2888,9 @@ gdm_session_start_session (GdmSession *self,
+ allow_remote_connections? "--allow-remote-connections " : "",
+ command);
+ } else {
+- program = g_strdup_printf (LIBEXECDIR "/gdm-wayland-session %s\"%s\"",
++ program = g_strdup_printf (LIBEXECDIR "/gdm-wayland-session %s\"%s %s\"",
+ register_session ? "--register-session " : "",
++ g_getenv ("GDM_WAYLAND_SESSION"),
+ command);
+ }
+ } else if (run_xsession_script) {
+@@ -2906,8 +2907,9 @@ gdm_session_start_session (GdmSession *self,
+ register_session ? "--register-session " : "",
+ self->selected_program);
+ } else {
+- program = g_strdup_printf (LIBEXECDIR "/gdm-wayland-session %s\"%s\"",
++ program = g_strdup_printf (LIBEXECDIR "/gdm-wayland-session %s\"%s %s\"",
+ register_session ? "--register-session " : "",
++ g_getenv ("GDM_WAYLAND_SESSION"),
+ self->selected_program);
+ }
+ } else {
+--
+2.33.0
+
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index 30b261453b..a3ae578af8 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -870,6 +870,24 @@ the GNOME desktop environment.")
(apply execl (string-append #$dbus "/bin/dbus-daemon")
(program-arguments)))))
+;; Wrapper script for Wayland sessions, similar to Xsession.
+;;
+;; See `xinitrc`. By default, it launches the specified session through a
+;; login shell. With the default Guix configuration, this should source
+;; /etc/profile, setting up the Guix profile environment variables. However,
+;; gdm launches its own graphical session through the same method, so we need
+;; to ignore this case, since `gdm` doesn't have a login shell.
+(define gdm-wayland-session-wrapper
+ (program-file
+ "gdm-wayland-session-wrapper"
+ #~((let* ((user (getpw (getuid)))
+ (name (passwd:name user))
+ (shell (passwd:shell user))
+ (args (cdr (command-line))))
+ (if (string=? name "gdm")
+ (apply execl (cons (car args) args))
+ (execl shell shell "--login" "-c" (string-join args)))))))
+
(define-record-type* <gdm-configuration>
gdm-configuration make-gdm-configuration
gdm-configuration?
@@ -885,7 +903,9 @@ the GNOME desktop environment.")
(default (xorg-configuration)))
(x-session gdm-configuration-x-session
(default (xinitrc)))
- (wayland? gdm-configuration-wayland? (default #f)))
+ (wayland? gdm-configuration-wayland? (default #f))
+ (wayland-session gdm-configuration-wayland-session
+ (default gdm-wayland-session-wrapper)))
(define (gdm-configuration-file config)
(mixed-text-file "gdm-custom.conf"
@@ -983,7 +1003,10 @@ the GNOME desktop environment.")
;; Add XCURSOR_PATH so that mutter can find its
;; cursors. gdm doesn't login so doesn't source
;; the corresponding line in /etc/profile.
- "XCURSOR_PATH=/run/current-system/profile/share/icons"))))
+ "XCURSOR_PATH=/run/current-system/profile/share/icons"
+ (string-append
+ "GDM_WAYLAND_SESSION="
+ #$(gdm-configuration-wayland-session config))))))
(stop #~(make-kill-destructor))
(respawn? #t))))