Provide option for Metal mods 6 or 7.

linux-game-manager.sh

@@ -687,11 +687,22 @@ case "${game}" in
             fi
         fi
         doomPath="$(find /usr/share -type d -name "doom" 2> /dev/null | head -1)"
-        if ! [[ -e "${doomPath}/DoomMetalVol6.wad" ]]; then
+        if ! [[ -e "${doomPath}/DoomMetalVol6.wad" ]] && ! [[ -e "${doomPath}/DoomMetalVol7.wad" ]]; then
         alert
-            if dialog --backtitle "Linux Game manager" --yesno "Would you like Doom Metal Volume 6?" -1 -1 --stdout ; then
+        dialog --backtitle "Linux Game manager" \
+            --extra-button \
+            --yes-label "6" \
+            --no-label "7" \
+            --extra-label "None" \
+            --yesno "Would you like Doom Metal Volume 6 or 7? Use arrow keys to select your answer." \
+            -1 -1 --stdout
+            buttonCode=$?
+            if [[ $buttonCode -eq 0 ]]; then
                 download "${ipfsGateway}/ipfs/QmSzWKtP3wPvzn5GNd9F7n4RAhkFHxh2UHxXGefiAufwQW?filename=DoomMetalVol6.wad"
             fi
+            if [[ $buttonCode -eq 1 ]]; then
+                download "${ipfsGateway}/ipfs/QmfXkz3tzicKGfhcYSiWUZkjkDKP2aVp53Y49n127wMr7D?filename=DoomMetalVol7.wad"
+            fi
         fi
         # The url breaks the normal download function
         download_named "keyshare-universal.pk3" "https://forum.zdoom.org/download/file.php?id=42262"
@@ -700,6 +711,7 @@ case "${game}" in
         echo "It is necessary to move the extracted files into their proper place."
         alert
         [[ -e "${cache}/DoomMetalVol6.wad" ]] && sudo mv "${cache}/DoomMetalVol6.wad" "${doomPath}/"
+        [[ -e "${cache}/DoomMetalVol7.wad" ]] && sudo mv "${cache}/DoomMetalVol7.wad" "${doomPath}/"
         sudo unzip -n -d "${doomPath}" "${cache}/TobyAccessibilityMod_Version${tobyVersion}.zip"
         sudo unzip -n -d "${doomPath}" "${cache}/OpMDK_ForV7-0.zip"
         sudo cp -v "${cache}/keyshare-universal.pk3" "${doomPath}"