fix: 🐛 fixes metamod installation on cs2 update

currently the gamemode.gi gets overwritten when updating the cs2 installation, but metamod needs to be referenced in the gamemod.gi. this fix adds the fix to the file if it is not there and if metamod is installed.

lgsm/modules/core_modules.sh

@@ -371,6 +371,11 @@ fix_csgo.sh() {
 	fn_fetch_module
 }
 
+fix_cs2.sh() {
+	modulefile="${FUNCNAME[0]}"
+	fn_fetch_module
+}
+
 fix_dst.sh() {
 	modulefile="${FUNCNAME[0]}"
 	fn_fetch_module

lgsm/modules/fix.sh

@@ -52,7 +52,7 @@ fn_apply_fix() {
 	fi
 }
 
-apply_pre_start_fix=(arma3 armar ark av bt bo csgo cmw dst hw ins kf nmrih onset pvr rust rw samp sdtd sfc sof2 squad st tf2 terraria ts3 mcb mta unt vh wurm zmr)
+apply_pre_start_fix=(arma3 armar ark av bt bo csgo cs2 cmw dst hw ins kf nmrih onset pvr rust rw samp sdtd sfc sof2 squad st tf2 terraria ts3 mcb mta unt vh wurm zmr)
 apply_post_install_fix=(av kf kf2 ro ut2k4 ut ut3)
 
 # validate registered fixes for safe development

lgsm/modules/fix_cs2.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# LinuxGSM fix_csgo.sh module
+# Author: https://github.com/pcace
+# Contributors: http://linuxgsm.com/contrib
+# Website: https://linuxgsm.com
+# Description: Resolves issues with Counter-Strike: Global Offensive.
+
+moduleselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
+
+# Fixes: metamod installation (if installed) on cs2 updates
+GAMEINFO="${serverfiles}/game/csgo/gameinfo.gi"
+METAMOD_DIR="${serverfiles}/game/csgo/addons/metamod"
+
+if [ -d "$METAMOD_DIR" ]; then
+
+    # Remove Windows line endings (\r) from gameinfo.gi
+    sed -i 's/\r$//' "$GAMEINFO"
+
+    # Check if the line "Game    csgo/addons/metamod" exists in the file
+    if ! grep -q "Game    csgo/addons/metamod" "$GAMEINFO"; then
+
+        # Open gameinfo.gi in the game/csgo directory
+        sed -i 's/#.*\n//g' "$GAMEINFO"
+
+        # Add Game csgo/addons/metamod to the SearchPaths section
+        sed -i '/Game_LowViolence/{
+            a             Game    csgo/addons/metamod
+        }' "$GAMEINFO"
+
+    fi
+fi