Copy the official steam installation method instead of the outdated one

Author: TriangularDev

Trixie/config/hooks/live/9003-extrainstalls.hook.chroot

@@ -15,17 +15,14 @@ dpkg --add-architecture i386
 echo "[Hook] Creating keyrings directory"
 mkdir -pm755 /etc/apt/keyrings
 
-# --- Steam Repository ---
-echo "[Hook] Adding Steam repository and key"
-curl -fsSL https://repo.steampowered.com/steam-archive-keyring.gpg \
+# --- Steam Repository (official) ---
+echo "[Hook] Adding Steam repository and key (official method)"
+curl -fsSL https://repo.steampowered.com/steam/archive/stable/steam.gpg \
   | gpg --dearmor -o /etc/apt/keyrings/steam.gpg
 
-cat << 'EOF' > /etc/apt/sources.list.d/steam.sources
-Types: deb
-URIs: https://repo.steampowered.com/steam/
-Suites: stable
-Components: steam
-Signed-By: /etc/apt/keyrings/steam.gpg
+cat << 'EOF' > /etc/apt/sources.list.d/steam.list
+deb [arch=amd64,i386 signed-by=/etc/apt/keyrings/steam.gpg] https://repo.steampowered.com/steam/ stable steam
+deb-src [arch=amd64,i386 signed-by=/etc/apt/keyrings/steam.gpg] https://repo.steampowered.com/steam/ stable steam
 EOF
 
 # --- Lutris Repository ---
@@ -95,5 +92,4 @@ rm -rf "$_tmp_dir"
 echo "[Hook] Discord installed successfully"
 
 # --- Done ---
-echo "[Hook] Completed repository setup and installations successfully"
-
+echo "[Hook] Completed repository setup and installations successfully"