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sway: fix WAYLAND_DISPLAY to be relative

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This commit is contained in:
Colin 2024-03-23 17:59:37 +00:00
parent dd7b1dae5f
commit 46fe6c690b
2 changed files with 8 additions and 7 deletions
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9
hosts/common/programs/sway/default.nix
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@ -8,7 +8,7 @@ let
swayLauncher = pkgs.writeShellScriptBin "sway" ''
# delete DISPLAY-related vars from env before launch, else sway will try to connect to a remote display.
# (consider: nested sway sessions, where sway actually has a reason to read these)
exec env -u DISPLAY -u WAYLAND_DISPLAY "REAL_WAYLAND_DISPLAY=$WAYLAND_DISPLAY" ${configuredSway}/bin/sway 2>&1
exec env -u DISPLAY -u WAYLAND_DISPLAY "DESIRED_WAYLAND_DISPLAY=$WAYLAND_DISPLAY" ${configuredSway}/bin/sway 2>&1
'';
in
pkgs.symlinkJoin {
@ -214,7 +214,8 @@ in
# TODO: ensure this is reliable? might not work across sway restarts, etc.
env.DISPLAY = ":0";
# docs: <https://discourse.ubuntu.com/t/environment-variables-for-wayland-hackers/12750>
env.WAYLAND_DISPLAY = "$XDG_RUNTIME_DIR/wayland/wayland-1";
# N.B.: gtk apps support absolute paths for this; webkit apps (e.g. geary) support only relative paths (relative to $XDG_RUNTIME_DIR)
env.WAYLAND_DISPLAY = "wayland/wayland-1";
services.sway = {
description = "sway: tiling wayland desktop environment";
@ -222,11 +223,11 @@ in
command = pkgs.writeShellScript "sway-start" ''
# have to create these directories before launching sway so that they're available in the sandbox
mkdir -p "$(dirname "$SWAYSOCK")"
mkdir -p "$(dirname "$WAYLAND_DISPLAY")"
mkdir -p "$(dirname "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY")"
mkdir -p /tmp/.X11-unix # for Xwayland
exec sway
'';
readiness.waitExists = [ "$SWAYSOCK" "$WAYLAND_DISPLAY" ];
readiness.waitExists = [ "$SWAYSOCK" "$XDG_RUNTIME_DIR/$WAYLAND_DISPLAY" ];
};
# link the graphical-session into the default target, so sway gets auto-started
services.graphical-session.partOf = [ "default" ];

6
hosts/common/programs/sway/sway-config
View File

@ -237,11 +237,11 @@ output $out_moby {
}
# move the wayland socket that sway implicitly created to the place which other apps expect to find it
exec --no-startup-id mv $XDG_RUNTIME_DIR/$WAYLAND_DISPLAY $REAL_WAYLAND_DISPLAY
exec --no-startup-id mv $XDG_RUNTIME_DIR/$WAYLAND_DISPLAY.lock $REAL_WAYLAND_DISPLAY.lock
exec --no-startup-id mv $XDG_RUNTIME_DIR/$WAYLAND_DISPLAY $XDG_RUNTIME_DIR/$DESIRED_WAYLAND_DISPLAY
exec --no-startup-id mv $XDG_RUNTIME_DIR/$WAYLAND_DISPLAY.lock $XDG_RUNTIME_DIR/$DESIRED_WAYLAND_DISPLAY.lock
# i'm sure there's a simpler way. not certain that this actually updates the sway environment variables anyway
# the double-$ means to set the variable at *runtime*, not at "compile-time" (so that it doesn't impact the line immediately above us
set $$WAYLAND_DISPLAY "$(echo $REAL_WAYLAND_DISPLAY)"
set $$WAYLAND_DISPLAY "$(echo $DESIRED_WAYLAND_DISPLAY)"
# manually export PATH here, since all my user services need that, and sane-sandboxed implementation depends on it.