Move steam config

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/user/gui/gaming/steam/default.nix

@@ -0,0 +1,77 @@
+{ user, home }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  environment.persistence."/persist/state" = {
+    "${home}/.steam" = { };
+    "${home}/.local/share/Steam" = { };
+  };
+
+  programs = {
+    steam = {
+      enable = true;
+      localNetworkGameTransfers.openFirewall = true;
+      extest.enable = true;
+      protontricks.enable = true;
+      extraCompatPackages = with pkgs; [ proton-ge-bin ];
+    };
+
+    gamescope = {
+      enable = true;
+      args = [
+        "--rt"
+        "-f"
+      ];
+    };
+
+    gamemode.enable = true;
+  };
+
+  home-manager.users.${user}.systemd.user = {
+    services.steam-ln =
+      let
+        steamLn = lib.meta.getExe (
+          pkgs.writeShellApplication {
+            name = "steam-ln";
+            runtimeInputs = with pkgs; [ coreutils ];
+            text = builtins.readFile ./steam-ln.sh;
+          }
+        );
+      in
+      {
+        Unit = {
+          Description = "Sync Steam games with Games directory";
+          After = [
+            config.environment.persistence."/persist/state"."${home}/.local/share/Steam".mount
+            config.environment.persistence."/persist/user"."${home}/Games".mount
+          ];
+          DefaultDependencies = false;
+        };
+
+        Service = {
+          ExecStart = steamLn;
+          Type = "oneshot";
+        };
+
+        Install.WantedBy = [ "default.target" ];
+      };
+
+    paths.steam-ln = {
+      Unit = {
+        Description = "Monitor Steam games directory for changes";
+        After = [
+          config.environment.persistence."/persist/state"."${home}/.local/share/Steam".mount
+          config.environment.persistence."/persist/user"."${home}/Games".mount
+        ];
+      };
+
+      Path.PathChanged = "${home}/.local/share/Steam/steamapps/common";
+
+      Install.WantedBy = [ "default.target" ];
+    };
+  };
+}

hosts/common/configs/user/gui/gaming/steam/steam-ln.sh

@@ -0,0 +1,64 @@
+# shellcheck shell=bash
+
+shopt -s nullglob
+
+STEAM="$HOME/.local/share/Steam/steamapps/common"
+GAMES="$HOME/Games"
+
+EXCLUDE=(
+  "Proton - Experimental"
+  "Proton Hotfix"
+  "SteamLinuxRuntime"
+  "SteamLinuxRuntime_soldier"
+  "SteamLinuxRuntime_sniper"
+  "Steamworks Shared"
+  "Steam.dll"
+)
+
+is_excluded() {
+  local dir=$1
+  for exclude in "${EXCLUDE[@]}"; do
+    if [[ "$dir" == "$exclude" ]]; then
+      return 0
+    fi
+  done
+  return 1
+}
+
+for game in "$STEAM"/*/; do
+  name=$(basename "$game")
+
+  if is_excluded "$name"; then
+    echo "Excluding $name from symlink creation."
+    continue
+  fi
+
+  if [[ -L "$GAMES/$name" ]]; then
+    continue
+  fi
+
+  if [[ -d "$GAMES/$name" || -f "$GAMES/$name" ]]; then
+    >&2 echo "Error: $name is already a regular directory or file."
+    continue
+  fi
+
+  echo "Creating symlink for $name..."
+  ln -srf "$game" "$GAMES/$name"
+done
+
+for link in "$GAMES"/*; do
+  target=$(readlink "$link")
+
+  if [[ ! "$target" == "$STEAM/"* ]]; then
+    continue
+  fi
+
+  name=$(basename "$target")
+
+  if [[ -e "$target" ]] && ! is_excluded "$name"; then
+    continue
+  fi
+
+  echo "Removing symlink $link..."
+  rm "$link"
+done