Detect flatpak lutris

Preparation for flatpak support

lug-helper.sh

@@ -65,12 +65,12 @@ if [ ! -x "$(command -v curl)" ]; then
     notify-send "lug-helper" "The required package 'curl' was not found on this system.\n" --icon=dialog-warning
     exit 1
 fi
-if [ ! -x "$(command -v zstd)" ]; then
+#if [ ! -x "$(command -v zstd)" ]; then
 # Print to stderr and also try warning the user through notify-send
-    printf "lug-helper.sh: The  package 'zstd' was not found on this system. It is required for extracting some runner packages.\n" 1>&2
-    notify-send "lug-helper" "The package 'zstd' was not found on this system. It is required for extracting some runner packages.\n" --icon=dialog-warning
-    exit 1
-fi
+#    printf "lug-helper.sh: The  package 'zstd' was not found on this system. It is required for extracting some runner packages.\n" 1>&2
+#    notify-send "lug-helper" "The package 'zstd' was not found on this system. It is required for extracting some runner packages.\n" --icon=dialog-warning
+#    exit 1
+#fi
 if [ ! -x "$(command -v mktemp)" ] || [ ! -x "$(command -v sort)" ] || [ ! -x "$(command -v basename)" ] || [ ! -x "$(command -v realpath)" ] || [ ! -x "$(command -v dirname)" ]; then
     # Print to stderr and also try warning the user through notify-send
     printf "lug-helper.sh: One or more required packages were not found on this system.\nPlease check that the following coreutils packages are installed:\n- mktemp\n- sort\n- basename\n- realpath\n- dirname\n" 1>&2
@@ -917,6 +917,29 @@ preflight_check() {
 
 #------------------------- begin download functions ----------------------------#
 
+# Detect if lutris is installed
+lutris_detect() {
+    lutris_installed="false"
+    lutris_standard="false"
+    lutris_flatpak="false"
+
+    # Detect standard lutris
+    if [ -x "$(command -v lutris)" ]; then
+        # Standard Lutris is installed
+        lutris_installed="true"
+        lutris_standard="true"
+    fi
+
+    # Detect flatpak lutris
+    if [ -x "$(command -v flatpak)" ]; then
+        flatpak info lutris >/dev/null 2>&1
+        if [ "$?" -eq 0 ]; then
+            lutris_installed="true"
+            lutris_flatpak="true"
+        fi
+    fi
+}
+
 # Restart lutris if necessary
 lutris_restart() {
     if [ "$lutris_needs_restart" = "true" ] && [ "$(pgrep -f lutris)" ]; then
@@ -1330,8 +1353,9 @@ download_manage() {
         debug_print exit "Script error:  The download_manage function expects a string argument. Aborting."
     fi
     # Check if Lutris is installed
-    if [ ! -x "$(command -v lutris)" ]; then
-        message info "Lutris does not appear to be installed."
+    lutris_detect
+    if [ "$lutris_installed" = "false" ]; then
+        message warning "Lutris is required but does not appear to be installed."
         return 0
     fi
     if [ ! -d "$download_dir" ]; then
@@ -1512,7 +1536,8 @@ eac_workaround() {
 # Install Star Citizen using Lutris
 install_game() {
     # Check if Lutris is installed
-    if [ ! -x "$(command -v lutris)" ]; then
+    lutris_detect
+    if [ "$lutris_installed" = "false" ]; then
         message warning "Lutris is required but does not appear to be installed."
         return 0
     fi