New script with writable toml

This commit is contained in:
2026-02-26 21:04:59 +01:00
parent 6ac406218f
commit 9445a13169
5 changed files with 726 additions and 862 deletions
+59 -150
View File
@@ -1,189 +1,98 @@
{ config, pkgs, lib, flakeRoot, ... }:
{ config, lib, pkgs, flakeRoot, ... }:
let
# Repo folder that gets copied to ~/nixos_conf/wallpaperstuff
# Repo inputs
repoWallpaperDir = flakeRoot + "/assets/conf/desktop/wallpaper";
# Where we sync assets to (writable)
userRelRoot = "nixos_conf/wallpaperstuff";
userAbsRoot = "${config.home.homeDirectory}/${userRelRoot}";
# Your actual layout:
# ~/nixos_conf/wallpaperstuff/pictures/wallpaper{1..9}.jpg
picturesDir = "${userAbsRoot}/pictures";
stateDir = "${userAbsRoot}/current";
symlinkPath = "${stateDir}/workspace.jpg";
scriptRel = "hypr/scripts/wpaperd-workspace-1to9.sh";
wpaperdConfRel = "wpaperd/config.toml";
# Writable runtime TOML (NOT under ~/.config)
runtimeConf = "${userAbsRoot}/wpaperd-runtime.toml";
# Your generator script (synced from repo into userAbsRoot)
wsScript = "${userAbsRoot}/wpaperd-workspace-1to9.sh";
# Sync everything in repoWallpaperDir to ~/nixos_conf/wallpaperstuff,
# but keep it simple: we exclude no files here unless you want to.
repoWallpapersOnly = lib.cleanSourceWith {
src = repoWallpaperDir;
filter = path: type: true;
};
in
{
home.packages = [
pkgs.wpaperd
pkgs.socat
pkgs.jq
];
# Copy wallpapers from repo → ~/nixos_conf/wallpaperstuff (includes pictures/)
# 1) Sync your wallpaper assets + scripts into a writable location
home.file."${userRelRoot}" = {
source = repoWallpaperDir;
source = repoWallpapersOnly;
recursive = true;
};
# Ensure wpaperd config points to the global symlink (not per-monitor, not rotating)
xdg.configFile."${wpaperdConfRel}".text = ''
[default]
mode = "stretch"
# 2) Ensure we have a writable runtime config (created if missing)
#
# NOTE: We intentionally do NOT create ~/.config/wpaperd/config.toml via HM,
# because HM places managed files in /nix/store and symlinks them (read-only),
# which breaks apps/scripts that want to write there.
home.activation.ensureWpaperdRuntimeConf =
lib.hm.dag.entryAfter [ "writeBoundary" ] ''
mkdir -p "${userAbsRoot}"
mkdir -p "${picturesDir}"
[any]
path = "${symlinkPath}"
'';
if [ ! -f "${runtimeConf}" ]; then
cat > "${runtimeConf}" <<'EOF'
[default]
mode = "stretch"
# Script: global wallpaper per workspace (focused workspace), via symlink + reload-wallpaper
xdg.configFile."${scriptRel}" = {
executable = true;
text = ''
#!/usr/bin/env bash
set -euo pipefail
log() { echo "[wpaperd-ws] $*" >&2; }
PICTURES_DIR="${picturesDir}"
STATE_DIR="${stateDir}"
SYMLINK="${symlinkPath}"
XDG_CONFIG_HOME="''${XDG_CONFIG_HOME:-$HOME/.config}"
WPAPERD_DIR="$XDG_CONFIG_HOME/wpaperd"
CONF="$WPAPERD_DIR/config.toml"
: "''${XDG_RUNTIME_DIR:?XDG_RUNTIME_DIR not set}"
: "''${HYPRLAND_INSTANCE_SIGNATURE:?HYPRLAND_INSTANCE_SIGNATURE not set}"
SOCK="''${XDG_RUNTIME_DIR}/hypr/''${HYPRLAND_INSTANCE_SIGNATURE}/.socket2.sock"
mkdir -p "$STATE_DIR" "$WPAPERD_DIR"
# Wait for Hyprland socket so we don't exit too early
for i in $(seq 1 120); do
[[ -S "$SOCK" ]] && break
sleep 0.1
done
[[ -S "$SOCK" ]] || { log "Hyprland socket not found: $SOCK"; exit 1; }
ws_num() {
local w="''${1%%:*}"
[[ "$w" =~ ^[0-9]+$ ]] || return 1
printf '%s\n' "$w"
}
img_for_ws() {
local n="$1"
case "$n" in
1|2|3|4|5|6|7|8|9) printf '%s/wallpaper%s.jpg\n' "$PICTURES_DIR" "$n" ;;
*) return 1 ;;
esac
}
ensure_config() {
# keep config stable and always pointing to the symlink
cat >"$CONF" <<EOF
[default]
mode = "stretch"
[any]
path = "$SYMLINK"
EOF
}
reload_wallpaper() {
${pkgs.wpaperd}/bin/wpaperctl reload-wallpaper >/dev/null 2>&1 || true
}
apply_workspace() {
local ws_raw="$1"
local n img
n="$(ws_num "$ws_raw")" || { log "Ignoring non-numeric workspace: $ws_raw"; return 0; }
img="$(img_for_ws "$n")" || return 0
if [[ ! -f "$img" ]]; then
log "Missing image for ws=$n: $img"
return 0
fi
# If already set, skip
if [[ -L "$SYMLINK" ]] && [[ "$(readlink -f "$SYMLINK")" == "$(readlink -f "$img")" ]]; then
return 0
fi
ln -sf "$img" "$SYMLINK"
log "Workspace $n -> $img"
ensure_config
reload_wallpaper
}
apply_initial() {
local ws
ws="$(${pkgs.hyprland}/bin/hyprctl -j monitors | ${pkgs.jq}/bin/jq -r '.[] | select(.focused==true) | .activeWorkspace.name' | head -n1)"
if [[ -n "$ws" && "$ws" != "null" ]]; then
apply_workspace "$ws"
else
log "Could not determine initial focused workspace"
fi
}
handle_line() {
case "$1" in
workspace\>\>*)
apply_workspace "''${1#workspace>>}"
;;
workspacev2\>\>*)
local payload="''${1#workspacev2>>}"
apply_workspace "''${payload#*,}"
;;
focusedmon\>\>*)
local payload="''${1#focusedmon>>}"
local ws="''${payload#*,}"
apply_workspace "$ws"
;;
esac
}
ensure_config
apply_initial
log "Listening on $SOCK"
exec ${pkgs.socat}/bin/socat -U - "UNIX-CONNECT:$SOCK" \
| while IFS= read -r line; do
handle_line "$line" || true
done
# Fallback for outputs not explicitly listed:
[any]
path = "__WALLPAPER_DIR__"
EOF
# default: point [any].path at your pictures dir
${pkgs.gnused}/bin/sed -i "s|__WALLPAPER_DIR__|${picturesDir}|g" "${runtimeConf}"
fi
'';
};
# wpaperd daemon
# 3) wpaperd user service: always use the writable runtime config
systemd.user.services.wpaperd = {
Unit = {
Description = "wpaperd wallpaper daemon";
After = [ "graphical-session.target" ];
Description = "wpaperd wallpaper daemon (runtime config)";
PartOf = [ "graphical-session.target" ];
After = [ "graphical-session.target" ];
};
Service = {
ExecStart = "${pkgs.wpaperd}/bin/wpaperd";
ExecStart = "${pkgs.wpaperd}/bin/wpaperd --config ${runtimeConf}";
Restart = "on-failure";
RestartSec = 1;
};
Install.WantedBy = [ "graphical-session.target" ];
Install = {
WantedBy = [ "graphical-session.target" ];
};
};
# listener
systemd.user.services.wpaperd-workspace-wallpaper = {
# 4) Optional: run your workspace generator once per login, then restart wpaperd
systemd.user.services.wpaperd-workspaces-init = {
Unit = {
Description = "Global wallpaper per workspace (1..9)";
After = [ "graphical-session.target" "wpaperd.service" ];
Description = "Generate workspace wallpapers (wpaperd runtime config)";
PartOf = [ "graphical-session.target" ];
After = [ "graphical-session.target" ];
};
Service = {
ExecStart = "${pkgs.bash}/bin/bash ${config.xdg.configHome}/${scriptRel}";
Restart = "on-failure";
RestartSec = 1;
Type = "oneshot";
ExecStart = "${pkgs.bash}/bin/bash ${wsScript} ${picturesDir}";
ExecStartPost = "${pkgs.systemd}/bin/systemctl --user restart wpaperd";
};
Install = {
WantedBy = [ "graphical-session.target" ];
};
Install.WantedBy = [ "graphical-session.target" ];
};
}