InstallSpicetifyForFlatpak.sh

#!/bin/bash

# Note: You may need to apply permissions for this script in order to run it.
# To do so, use this command in a terminal:
# chmod u+x /Location/To/Script/InstallSpicetifyForFlatpak.sh

# Use this command to run the latest version of this script from GitHub:
# curl -fsSL https://raw.githubusercontent.com/Aluulu/spicetify-install-script/main/InstallSpicetifyForFlatpak.sh | sh

# Check if the configuration file has the correct arguments. If it does, then spicetify must be installed already
# Check if the string exists in the file
if grep -q "spotify_path            = /var/lib/flatpak/app/com.spotify.Client/x86_64/stable/active/files/extra/share/spotify/" "$HOME"/.config/spicetify/config-xpui.ini;
then

	# Reapply permissions to the Spotify directory, as the update will have removed them
	sudo chmod a+wr /var/lib/flatpak/app/com.spotify.Client/x86_64/stable/active/files/extra/share/spotify
	sudo chmod a+wr -R /var/lib/flatpak/app/com.spotify.Client/x86_64/stable/active/files/extra/share/spotify/Apps

	# Run the backup to restore Spicetify
	spicetify backup apply

# If spicetify isn't installed, it will install it
else

	# Download and install spicetify from the offical GitHub repository
	curl -fsSL https://raw.githubusercontent.com/spicetify/spicetify-cli/master/install.sh | sh

	# Runs spotify so that it is initialised
	flatpak run com.spotify.Client

	# Waits 5 seconds to allow Spotify to initialise
	sleep 5

	# Restart the shell to add Spotify to PATH
	# .config/spicetify won't appear unless the shell is restarted
	# "exec $SHELL" does not work, so the shell is HOPEFULLY restarted by sourcing the bashrc file
	# https://linuxhint.com/reload-bashrc-bash/
	source ~/.bashrc

	# Waits 2 seconds to allow the shell to source the bashrc file
	sleep 2
	
	# Check if the config file exists
	# Set the file location and name as a variable
	filename=$HOME/.config/spicetify/config-xpui.ini

	# Create variable to be used as a flag to indicate if the file exists
	filefound=0

	# Check if config-xpui.ini does not exist
	if [ ! -f "$filename" ];

		# If the file does not exists, exit the script
		then

			echo "$filename not found. Something must have gone wrong in the script."
			echo "Please try this script again and if you continue to have issues, please report this issue on GitHub:"
			echo "www.github.com/Aluulu/spicetify-install-script/issues"
			echo "Press enter to exit."

			# Waits for the user to press enter
			read

			# Exits the script
			exit 1

	fi

	# Changes the configuration to be correct
	# Changes spotify_path to /var/lib/flatpak/app/com.spotify.Client/x86_64/stable/active/files/extra/share/spotify/
	# Changes prefs_path to /home/$NameHere/.var/app/com.spotify.Client/config/spotify/prefs

	# Set the target word and replacement text
	TWord="spotify_path"
	RText="spotify_path            = /var/lib/flatpak/app/com.spotify.Client/x86_64/stable/active/files/extra/share/spotify/"

	# https://linuxize.com/post/how-to-use-sed-to-find-and-replace-string-in-files/
	# sed finds the target word and replaces it with the replacement text
	# -i is used to edit the file in place
	# s is used to substitute
	# | is used to separate the target word and replacement text
	# .* is used to match any character 0 or more times, so .* before and after the target word is used to match the entire line
	# This will replace the entire line with the replacement text
	sed -i "s|.*$TWord.*|$RText|" "$filename"

	# Replaces the pref path to match the correct file path

	TWord="prefs_path"
	RText="prefs_path              = $HOME/.var/app/com.spotify.Client/config/spotify/prefs"

	sed -i "s|.*$TWord.*|$RText|" "$filename"

	# Enables read and write permissions for Spicetify since Flatpak limits permissions
	sudo chmod a+wr /var/lib/flatpak/app/com.spotify.Client/x86_64/stable/active/files/extra/share/spotify
	sudo chmod a+wr -R /var/lib/flatpak/app/com.spotify.Client/x86_64/stable/active/files/extra/share/spotify/Apps

	# Kills the running Spotify instance
	spicetify restart

	# Backs up Spicetify
	spicetify backup

	# Copies the extensions from the spicetify folder to the configuration folder
	cp ~/.spicetify/Extensions/* ~/.config/spicetify/Extensions

	# Enables the extensions
	spicetify config extensions fullAppDisplay.js
	spicetify config custom_apps reddit
	spicetify config custom_apps lyrics-plus

	# Applies the newly added extensions
	spicetify apply

	# Runs Spotify so that you can see if the changes have worked
	flatpak run com.spotify.Client

fi