Improved file check code. Added detection for if a wad file fails to download.

linux-game-manager.sh

@@ -204,17 +204,26 @@ download() {
             echo "Could not download \"$i\"..."
             exit 1
         fi
+        local downloadError=1
         case "${dest##*.}" in
-            "zip")
+            "pk3"|"zip")
                 if [[ "$(file -b --mime-type "${cache}/${dest}")" != "application/zip" ]]; then
-                    rm -fv "${cache}/${dest}"
+                    downloadError=0
+                fi
+            ;;
+            "wad")
+                if [[ "$(file -b --mime-type "${cache}/${dest}")" != "application/octet-stream" ]]; then
+                    downloadError=0
+                fi
+            ;;
+        esac
+        if [[ $downloadError -eq 0 ]]; then
+            rm -fv "${cache}/${dest}"
                     dialog --backtitle "Linux Game Manager" \
                         --infobox "Error downloading \"${dest}\". Installation cannot continue." -1 -1 --stdout
                     alert
                     exit 1
-                fi
-            ;;
-        esac
+        fi
     done
 }