home/modules/prism-launcher: init

This commit is contained in:
Oystein Kristoffer Tveit 2025-04-03 19:17:46 +02:00
parent f929d267ba
commit b33aa09212
Signed by: oysteikt
GPG Key ID: 9F2F7D8250F35146

@ -1,8 +1,6 @@
{ config, pkgs, lib, ... }:
let
cfg = config.programs.prism-launcher;
screenshotPathGlob = "${config.xdg.dataHome}/PrismLauncher/instances/*/.minecraft/screenshots";
in
{
options.programs.prism-launcher = {
@ -10,19 +8,29 @@ in
package = lib.mkPackageOption pkgs "prismlauncher" { };
stateDir = lib.mkOption {
description = "The directory where PrismLauncher stores it's state";
type = lib.types.path;
default = "${config.xdg.dataHome}/PrismLauncher";
defaultText = lib.literalExpression ''"''${config.xdg.dataHome}/PrismLauncher"'';
};
screenshotMover = {
enable = lib.mkEnableOption "a systemd unit that automatically moves screenshots from all minecraft instances into a common dir";
screenshotDir = lib.mkOption {
description = "Where to move the minecraft screenshots.";
type = lib.types.path;
# TODO: priority list:
# - userDirs pictures
# - homeDir Pictures
default = "${config.xdg.userDirs.pictures}/prismlauncher-screenshots";
# TODO: Literal expression for default
default = if config.xdg.userDirs.pictures != null
then "${config.xdg.userDirs.pictures}/prismlauncher-screenshots"
else "${config.home.homeDirectory}/Pictures";
defaultText = lib.literalExpression ''
if config.xdg.userDirs.pictures != null
then "''${config.xdg.userDirs.pictures}/prismlauncher-screenshots"
else "''${config.home.homeDirectory}/Pictures"
'';
example = lib.literalExpression ''
"''${config.home.homeDirectory}/minecraftScreenshots"
"''${config.home.homeDirectory}/minecraft-screenshots"
'';
};
};
@ -35,7 +43,7 @@ in
Install.WantedBy = [ "paths.target" ];
Unit.Description = "Watchdog that moves screenshots from all prismlauncher minecraft instances into a common dir";
Path = {
PathChanged = [ screenshotPathGlob ];
PathExistsGlob = [ "${cfg.stateDir}/instances/*/.minecraft/screenshots/*.png" ];
Unit = "prismlauncher-move-minecraft-screenshots.service";
TriggerLimitIntervalSec = "1s";
TriggerLimitBurst = "1";
@ -46,10 +54,32 @@ in
Unit.Description = "Watchdog that moves screenshots from all prismlauncher minecraft instances into a common dir";
Service = {
Type = "oneshot";
# TODO: expand glob inside a shell
ExecStart = "${pkgs.coreutils}/bin/mv ${screenshotPathGlob} '${cfg.screenshotMover.screenshotDir}'";
ExecStart = lib.getExe (pkgs.writeShellApplication {
name = "prismlauncher-move-minecraft-screenshots.sh";
runtimeInputs = with pkgs; [ coreutils findutils ];
text = let
instancesDir = "${cfg.stateDir}/instances";
in ''
shopt -s nullglob
for idir in "${instancesDir}"/*/; do
INSTANCE_NAME="''${idir#${instancesDir}/}"
INSTANCE_NAME="''${INSTANCE_NAME%'/'}"
SCREENSHOT_TARGET_DIR="${cfg.screenshotMover.screenshotDir}/$INSTANCE_NAME"
mkdir -p "''${SCREENSHOT_TARGET_DIR}"
if [ -d "${instancesDir}/$INSTANCE_NAME"/.minecraft/screenshots ]; then
for screenshot in "${instancesDir}/$INSTANCE_NAME"/.minecraft/screenshots/*.png; do
echo "Moving '$screenshot' -> '$SCREENSHOT_TARGET_DIR'"
cp --preserve=all "$screenshot" "$SCREENSHOT_TARGET_DIR"
rm "$screenshot"
done
fi
done
'';
});
PrivateUsers = true;
PrivateNetwork = true;
ProtectSystem = true;
NoNewPrivileges = true;
ProtectKernelTunables = true;
@ -58,5 +88,9 @@ in
RestrictNamespaces = true;
};
};
systemd.user.tmpfiles.rules = lib.mkIf cfg.screenshotMover.enable [
"'d' '${cfg.screenshotMover.screenshotDir}' - ${config.home.username} - - -"
];
};
}