Merge pull request #937 from HoodedDeath/develop

Make sure script runs through a terminal

src/SMAPI.Installer/assets/install on Linux.sh

@@ -1,4 +1,22 @@
 #!/usr/bin/env bash
 
+function open_in_terminal { # Checks for a few different terminal emulators to launch the installer through
+    if which konsole 2&>1 >/dev/null; then # KDE Konsole
+        konsole -e $1
+    elif which alacritty 2&>1 >/dev/null; then # Alacritty
+        alacritty -e $1
+    elif which gnome-terminal 2&>1 >/dev/null; then # GNOME Terminal
+        gnome-terminal -- $1
+    elif which xterm 2&>1 >/dev/null; then # Xterm
+        xterm -e $1
+    else # Use notify-send to send a message that none of these terminals were found installed and instruct the user to manually invoke this script through a terminal
+        notify-send --app-name="SMAPI Installer" --urgency=critical "Failed to find a terminal to open installer with. Please use a terminal program to open the 'install on Linux.sh' script"
+    fi
+}
+
 cd "`dirname "$0"`"
-internal/linux/SMAPI.Installer
+if [ -t 0 ]; then # Uses `test` to check if the File Descriptor for Standard Input is valid -- STDIN should be valid if script was invoked through a terminal, and invalid if the file was invoked through a file explorer that didn't wrap it in a terminal emulator
+    ./internal/linux/SMAPI.Installer
+else
+    open_in_terminal ./internal/linux/SMAPI.Installer
+fi