RetroDECK/functions.sh

#!/bin/bash

# THIS IS A CENTRALIZED LOCATION FOR FUNCTIONS, WHICH CAN BE SOURCED WITHOUT RUNNING EXTRA CODE. EXISTING USE OF THESE FUNCTIONS CAN BE REFACTORED TO HERE.

# These functions are original to this file

#=================
# FUNCTION SECTION
#=================

directory_browse() {
  # This function browses for a directory and returns the path chosen
  # USAGE: path_to_be_browsed_for=$(directory_browse $action_text)

  local path_selected=false

  while [ $path_selected == false ]
  do
    local target="$(zenity --file-selection --title="Choose $1" --directory)"
    if [ ! -z $target ] #yes
    then
      zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --cancel-label="No" --ok-label "Yes" \
      --text="Directory $target chosen, is this correct?"
      if [ $? == 0 ]
      then
        path_selected=true
        echo $target
        break
      fi
    else
      zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --cancel-label="No" --ok-label "Yes" \
      --text="No directory selected. Do you want to exit the selection process?"
      if [ $? == 0 ]
      then
        break
      fi
    fi
  done
}

file_browse() {
  # This function browses for a file and returns the path chosen
  # USAGE: file_to_be_browsed_for=$(file_browse $action_text)

  local file_selected=false

  while [ $file_selected == false ]
  do
    local target="$(zenity --file-selection --title="Choose $1")"
    if [ ! -z $target ] #yes
    then
      zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --cancel-label="No" --ok-label "Yes" \
      --text="File $target chosen, is this correct?"
      if [ $? == 0 ]
      then
        file_selected=true
        echo $target
        break
      fi
    else
      zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --cancel-label="No" --ok-label "Yes" \
      --text="No file selected. Do you want to exit the selection process?"
      if [ $? == 0 ]
      then
        break
      fi
    fi
  done
}

verify_space() {
  # Function used for verifying adequate space before moving directories around
  # USAGE: verify_space $source_dir $dest_dir
  # Function returns "true" if there is enough space, "false" if there is not

  source_size=$(du -sk "$1" | awk '{print $1}')
  source_size=$((source_size+(source_size/10))) # Add 10% to source size for safety
  dest_avail=$(df -k --output=avail "$2" | tail -1)

  if [[ $source_size -ge $dest_avail ]]; then
    echo "false"
  else
    echo "true"
  fi
}

move() {
  # Function to move a directory from one parent to another
  # USAGE: move $source_dir $dest_dir

  if [[ ! -d "$2/$(basename "$1")" ]]; then
    if [[ $(verify_space "$1" "$2") ]]; then
      (
        if [[ ! -d "$2" ]]; then # Create destination directory if it doesn't already exist
          mkdir -pv "$2"
        fi
        mv -v -t "$2" "$1"
      ) |
      zenity --icon-name=net.retrodeck.retrodeck --progress --no-cancel --pulsate --auto-close \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK Configurator Utility - Move in Progress" \
      --text="Moving directory $1 to new location of $2, please wait."
    else
      zenity --icon-name=net.retrodeck.retrodeck --error --no-wrap \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK Configurator Utility - Move Directories" \
      --text="The destination directory you have selected does not have enough free space for the files you are trying to move.\n\nPlease select a new destination or free up some space."

      configurator_move_dialog
    fi
  else
    zenity --icon-name=net.retrodeck.retrodeck --error --no-wrap \
    --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
    --title "RetroDECK Configurator Utility - Move Directories" \
    --text="The destination directory you have selected already exists.\n\nPlease select a new destination."
  fi
}

compress_to_chd () {
  # Function for compressing one or more files to .chd format
  # USAGE: compress_to_chd $full_path_to_input_file $full_path_to_output_file

	echo "Compressing file $1 to $2.chd"
	/app/bin/chdman createcd -i "$1" -o "$2".chd
}

validate_for_chd () {
  # Function for validating chd compression candidates, and compresses if validation passes. Supports .cue, .iso and .gdi formats ONLY
  # USAGE: validate_for_chd $input_file

	local file="$1"
  local file_validated="false"
	current_run_log_file="chd_compression_$(basename "$file").log"
	echo "Validating file:" "$file" > "$logs_folder/$current_run_log_file"
	if [[ "$file" == *".cue" ]] || [[ "$file" == *".gdi" ]] || [[ "$file" == *".iso" ]]; then
		echo ".cue/.iso/.gdi file detected" >> "$logs_folder/$current_run_log_file"
		local file_path=$(dirname "$(realpath "$file")")
		local file_base_name=$(basename "$file")
		local file_name=${file_base_name%.*}
		if [[ "$file" == *".cue" ]]; then # Validate .cue file
			echo "Validating .cue associated .bin files" >> "$logs_folder/$current_run_log_file"
			local cue_bin_files=$(grep -o -P "(?<=FILE \").*(?=\".*$)" "$file")
			echo "Associated bin files read:" >> "$logs_folder/$current_run_log_file"
			printf '%s\n' "$cue_bin_files" >> "$logs_folder/$current_run_log_file"
			while IFS= read -r line
			do
				echo "looking for $file_path/$line" >> "$logs_folder/$current_run_log_file"
				if [[ -f "$file_path/$line" ]]; then
					echo ".bin file found at $file_path/$line" >> "$logs_folder/$current_run_log_file"
					file_validated="true"
				else
					echo ".bin file NOT found at $file_path/$line" >> "$logs_folder/$current_run_log_file"
					echo ".cue file could not be validated. Please verify your .cue file contains the correct corresponding .bin file information and retry." >> "$logs_folder/$current_run_log_file"
					file_validated="false"
					break
				fi
			done < <(printf '%s\n' "$cue_bin_files")
			if [[ $file_validated == "true" ]]; then
				echo $file_validated
			fi
		else # If file is a .iso or .gdi
      file_validated="true"
			echo $file_validated
		fi
	else
		echo "File type not recognized. Supported file types are .cue, .gdi and .iso" >> "$logs_folder/$current_run_log_file"
	fi
}

cli_compress_file() {
	# This function will compress a single file passed from the CLI arguments
  # USAGE: cli_compress_file $full_file_path
  local file="$1"
  echo "Looking for" "$file"
  current_run_log_file="chd_compression_$(basename "$file").log"
	if [[ ! -z "$file" ]]; then
		if [[ -f "$file" ]]; then
			if [[ $(validate_for_chd "$file") == "true" ]]; then
        read -p "RetroDECK will now attempt to compress your selected game. Press Enter key to continue..."
				read -p "Do you want to have the original file removed after compression is complete? Please answer y/n and press Enter: " post_compression_cleanup
				local filename_no_path=$(basename "$file")
        local filename_no_extension="${filename_no_path%.*}"
        local source_file=$(dirname "$(realpath "$file")")"/"$(basename "$file")
        local dest_file=$(dirname "$(realpath "$file")")"/""$filename_no_extension"
        echo "Compressing $filename_no_path"
        compress_to_chd "$source_file" "$dest_file"
				if [[ $post_compression_cleanup == [yY] ]]; then # Remove file(s) if requested
					if [[ "$file" == *".cue" ]]; then
            local cue_bin_files=$(grep -o -P "(?<=FILE \").*(?=\".*$)" "$file")
            local file_path=$(dirname "$(realpath "$file")")
            while IFS= read -r line
						do # Remove associated .bin files
              echo "Removing file "$line""
              rm -f "$file_path/$line"
            done < <(printf '%s\n' "$cue_bin_files") # Remove original .cue file
            echo "Removing file "$filename_no_path""
            rm -f $(realpath "$file")
          else
            echo "Removing file "$filename_no_path""
            rm -f $(realpath "$file")
          fi
				fi
			else
				printf "An error occured during the compression process. Please see the following log entries for details:\n\n"
				cat "$logs_folder/$current_run_log_file"
			fi
		else
			echo "File not found, please specify the full path to the file to be compressed."
		fi
	else
		echo "Please use this command format \"--compress <cue/gdi/iso file to compress>\""
	fi
}

desktop_mode_warning() {
  # This function is a generic warning for issues that happen when running in desktop mode.
  # Running in desktop mode can be verified with the following command: if [[ ! $XDG_CURRENT_DESKTOP == "gamescope" ]]; then
  # This function will check if desktop mode is currently being used and if the warning has not been disabled, and show it if needed.

  if [[ ! $XDG_CURRENT_DESKTOP == "gamescope" ]]; then
    if [[ $desktop_mode_warning == "true" ]]; then
      choice=$(zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap --ok-label="Yes" --extra-button="No" --extra-button="Never show this again" \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK Desktop Mode Warning" \
      --text="You appear to be running RetroDECK in the Steam Deck's Desktop mode!\n\nSome functions of RetroDECK may not work properly in Desktop mode, such as the Steam Deck's normal controls.\n\nRetroDECK is best enjoyed in Game mode!\n\nDo you still want to proceed?")
    fi
  fi
  rc=$? # Capture return code, as "Yes" button has no text value
  if [[ $rc == "1" ]]; then # If any button other than "Yes" was clicked
    if [[ $choice == "No" ]]; then
      exit 1
    elif [[ $choice == "Never show this again" ]]; then
      set_setting_value $rd_conf "desktop_mode_warning" "false" retrodeck # Store desktop mode warning variable for future checks
    fi
  fi
}

set_setting_value() {
  # Function for editing settings
  # USAGE: set_setting_value $setting_file "$setting_name" "$new_setting_value" $system $section_name(optional)

  local setting_name_to_change=$(sed -e 's^\\^\\\\^g;s^`^\\`^g' <<< "$2")
  local setting_value_to_change=$(sed -e 's^\\^\\\\^g;s^`^\\`^g' <<< "$3")
  local current_section_name=$(sed -e 's/%/\\%/g' <<< "$5")

  case $4 in

    "retrodeck" | "citra" | "melonds" | "yuzu" )
      if [[ -z $current_section_name ]]; then
        sed -i 's^'"$setting_name_to_change"'=.*^'"$setting_name_to_change"'='"$setting_value_to_change"'^' $1
      else
        sed -i '\^\['"$current_section_name"'\]^,\^'"$setting_name_to_change"'.*^s^'"$setting_name_to_change"'=.*^'"$setting_name_to_change"'='"$setting_value_to_change"'^' $1
      fi
      ;;

    "retroarch" )
      if [[ -z $current_section_name ]]; then
        sed -i 's^'"$setting_name_to_change"' = \".*\"^'"$setting_name_to_change"' = \"'"$setting_value_to_change"'\"^' $1
      else
        sed -i '\^\['"$current_section_name"'\]^,\^'"$setting_name_to_change"'.*^s^'"$setting_name_to_change"' = \".*\"^'"$setting_name_to_change"' = \"'"$setting_value_to_change"'\"^' $1
      fi
      ;;

    "dolphin" | "duckstation" | "pcsx2" | "ppsspp" | "xemu" )
      if [[ -z $current_section_name ]]; then
        sed -i 's^'"$setting_name_to_change"' =.*^'"$setting_name_to_change"' = '"$setting_value_to_change"'^' $1
      else
        sed -i '\^\['"$current_section_name"'\]^,\^'"$setting_name_to_change"'.*^s^'"$setting_name_to_change"' =.*^'"$setting_name_to_change"' = '"$setting_value_to_change"'^' $1
      fi
      ;;

    "rpcs3" ) # This does not currently work for settings with a $ in them
      if [[ -z $current_section_name ]]; then
        sed -i 's^'"$setting_name_to_change"': .*^'"$setting_name_to_change"': '"$setting_value_to_change"'^' $1
      else
        sed -i '\^\['"$current_section_name"'\]^,\^'"$setting_name_to_change"'.*^s^'"$setting_name_to_change"': .*^'"$setting_name_to_change"': '"$setting_value_to_change"'^' $1
      fi
      ;;

    "emulationstation" )
      sed -i "s%$setting_name_to_change\" \" value=\".*\"%$setting_name_to_change\" \" value=\"$setting_value_to_change\"" $1
      ;;

  esac
}

get_setting_name() {
  # Function for getting the setting name from a full setting line from a config file
  # USAGE: get_setting_name "$current_setting_line" $system

  local current_setting_line="$1"

  case $2 in

  "emulationstation" )
    echo "$current_setting_line" | grep -o -P "(?<=name\=\").*(?=\" value)"
    ;;

  "rpcs3" )
    echo "$current_setting_line" | grep -o -P "^\s*?.*?(?=\s?:\s?)" | sed -e 's/^[ \t]*//;s^\\ ^ ^g'
    ;;

  * )
    echo "$current_setting_line" | grep -o -P "^\s*?.*?(?=\s?=\s?)" | sed -e 's/^[ \t]*//;s^\\ ^ ^g;s^\\$^^'
    ;;

  esac
}

get_setting_value() {
# Function for getting the current value of a setting from a config file
# USAGE: get_setting_value $setting_file "$setting_name" $system $section (optional)

  local current_setting_name="$2"
  local current_section_name="$4"

  case $3 in

  "retrodeck" | "citra" | "melonds" | "yuzu" ) # For files with this syntax - setting_name=setting_value
    if [[ -z $current_section_name ]]; then
      echo $(grep -o -P "(?<=^$current_setting_name=).*" $1)
    else
      sed -n '\^\['"$current_section_name"'\]^,\^'"$current_setting_name"'^{ \^\['"$current_section_name"'\]^! { \^'"$current_setting_name"'^ p } }' $1 | grep -o -P "(?<=^$current_setting_name=).*"
    fi
  ;;

  "retroarch" ) # For files with this syntax - setting_name = "setting_value"
    if [[ -z $current_section_name ]]; then
      echo $(grep -o -P "(?<=^$current_setting_name = \").*(?=\")" $1)
    else
      sed -n '\^\['"$current_section_name"'\]^,\^'"$current_setting_name"'^{ \^\['"$current_section_name"'\]^! { \^'"$current_setting_name"'^ p } }' $1 | grep -o -P "(?<=^$current_setting_name = \").*(?=\")"
    fi
  ;;

  "dolphin" | "duckstation" | "pcsx2" | "ppsspp" | "xemu" ) # For files with this syntax - setting_name = setting_value
    if [[ -z $current_section_name ]]; then
      echo $(grep -o -P "(?<=^$current_setting_name = ).*" $1)
    else
      sed -n '\^\['"$current_section_name"'\]^,\^'"$current_setting_name"'^{ \^\['"$current_section_name"'\]^! { \^'"$current_setting_name"'^ p } }' $1 | grep -o -P "(?<=^$current_setting_name = ).*"
    fi
  ;;

  "rpcs3" ) # For files with this syntax - setting_name: setting_value
    if [[ -z $current_section_name ]]; then
      echo $(grep -o -P "(?<=$current_setting_name: ).*" $1)
    else
      sed -n '\^\['"$current_section_name"'\]^,\^'"$current_setting_name"'^{ \^\['"$current_section_name"'\]^! { \^'"$current_setting_name"'^ p } }' $1 | grep -o -P "(?<=$current_setting_name: ).*"
    fi
  ;;

  "emulationstation" )
    echo $(grep -o -P "(?<=^$current_setting_name\" value=\").*(?=\")" $1)
  ;;

  esac
}

add_setting() {
  # This function will add a setting line to a file. This is useful for dynamically generated config files where a setting line may not exist until the setting is changed from the default.
  # USAGE: add_setting $setting_file $setting_line $system $section (optional)

  local current_setting_line=$(sed -e 's^\\^\\\\^g;s^`^\\`^g' <<< "$2")
  local current_section_name=$(sed -e 's/%/\\%/g' <<< "$4")

  case $3 in

  * )
    if [[ -z $current_section_name ]]; then
      sed -i '$ a '"$current_setting_line"'' $1
    else
      sed -i '/^\s*?\['"$current_section_name"'\]|\b'"$current_section_name"':$/a '"$current_setting_line"'' $1
    fi
    ;;

  esac
}

disable_setting() {
  # This function will add a '#' to the beginning of a defined setting line, disabling it.
  # USAGE: disable_setting $setting_file $setting_line $system $section (optional)

  local current_setting_line"$2"
  local current_section_name="$4"

  case $3 in

  * )
    if [[ -z $current_section_name ]]; then
      sed -i -E 's^(\s*?)'"$current_setting_line"'^\1#'"$current_setting_line"'^' $1
    else
      sed -i -E '\^\['"$current_section_name"'\]|\b'"$current_section_name"':$^,\^\s*?'"$current_setting_line"'^s^(\s*?)'"$current_setting_line"'^\1#'"$current_setting_line"'^' $1
    fi
  ;;

  esac
}

enable_setting() {
  # This function will remove a '#' to the beginning of a defined setting line, enabling it.
  # USAGE: enable_setting $setting_file $setting_line $system $section (optional)

  local current_setting_line"$2"
  local current_section_name="$4"

  case $3 in

  * )
    if [[ -z $current_section_name ]]; then
      sed -i -E 's^(\s*?)#'"$current_setting_line"'^\1'"$current_setting_line"'^' $1
    else
      sed -i -E '\^\['"$current_section_name"'\]|\b'"$current_section_name"':$^,\^\s*?#'"$current_setting_line"'^s^(\s*?)#'"$current_setting_line"'^\1'"$current_setting_line"'^' $1
    fi
  ;;

  esac
}

disable_file() {
  # This function adds the suffix ".disabled" to the end of a file to prevent it from being used entirely.
  # USAGE: disable_file $file_name
  # NOTE: $filename can be a defined variable from global.sh or must have the full path to the file

  mv $(realpath $1) $(realpath $1).disabled
}

enable_file() {
  # This function removes the suffix ".disabled" to the end of a file to allow it to be used.
  # USAGE: enable_file $file_name
  # NOTE: $filename can be a defined variable from global.sh or must have the full path to the file and should not have ".disabled" as a suffix

  mv $(realpath $1.disabled) $(realpath $(echo $1 | sed -e 's/\.disabled//'))
}

generate_single_patch() {
  # generate_single_patch $original_file $modified_file $patch_file $system

  rm $3 # Remove old patch file (maybe change this to create a backup instead?)

  while read -r current_setting_line; # Look for changes from the original file to the modified one
  do

    printf -v escaped_setting_line '%q' "$current_setting_line" # Take care of special characters before they mess with future commands

    if [[ (! -z $current_setting_line) && (! $current_setting_line == "#!/bin/bash") && (! $current_setting_line == "[]") ]]; then # Ignore empty lines, empty arrays or Bash start lines
      if [[ ! -z $(grep -o -P "^\[.+?\]$" <<< "$current_setting_line") || ! -z $(grep -o -P "^\b.+?:$" <<< "$current_setting_line") ]]; then # Capture section header lines
        if [[ $current_setting_line =~ ^\[.+\] ]]; then # If normal section line
          action="section"
          current_section=$(sed 's^[][]^^g' <<< $current_setting_line) # Remove brackets from section name
        elif [[ ! -z $(grep -o -P "^\b.+?:$" <<< "$current_setting_line") ]]; then # If RPCS3 section name
          action="section"
          current_section=$(sed 's^:$^^' <<< $current_setting_line) # Remove colon from section name
        fi
      elif [[ (! -z $current_section) ]]; then # If line is in a section...
        if [[ ! -z $(grep -o -P "^\s*?#.*?$" <<< "$current_setting_line") ]]; then # Check for disabled lines
          if [[ -z $(sed -n -E '\^\['"$current_section"'\]|\b'"$current_section"':$^,\^\s*?'"$(sed -E 's/^[ \t]*//;' <<< "$escaped_setting_line")"'^{ \^\['"$current_section"'\]|\b'"$current_section"':$^! { \^\s*?'"$(sed -E 's/^[ \t]*//' <<< "$escaped_setting_line")"'^ p } }' $2) ]]; then # If disabled line is not disabled in new file...
          action="disable_setting"
          echo $action"^"$current_section"^"$(sed -n -E 's^\s*?#(.*?)$^\1^p' <<< $(sed -E 's/^[ \t]*//' <<< "$current_setting_line")) >> $3
          fi
        elif [[ ! -z $(sed -n -E '\^\['"$current_section"'\]|\b'"$current_section"':$^,\^\s*?#'"$(sed -E 's/^[ \t]*//' <<< "$escaped_setting_line")"'^{ \^\['"$current_section"'\]|\b'"$current_section"':$^! { \^\s*?#'"$(sed -E 's/^[ \t]*//;' <<< "$escaped_setting_line")"'^ p } }' $2) ]]; then # Check if line is disabled in new file
          action="enable_setting"
          echo $action"^"$current_section"^"$current_setting_line >> $3
        else # Look for setting value differences
          current_setting_name=$(get_setting_name "$escaped_setting_line" $4)
          if [[ (-z $(sed -n -E '\^\['"$current_section"'\]|\b'"$current_section"':$^,\^\b'"$current_setting_name"'.*^{ \^\['"$current_section"'\]|\b'"$current_section"':$^! { \^\b'"$(sed -E 's/^[ \t]*//;' <<< "$escaped_setting_line")"'$^ p } }' $2)) ]]; then # If the same setting line is not found in the same section of the modified file...
            if [[ ! -z $(sed -n -E '\^\['"$current_section"'\]|\b'"$current_section"':$^,\^\b'"$current_setting_name"'^{ \^\['"$current_section"'\]|\b'"$current_section"':$^! { \^\b'"$current_setting_name"'^ p } }' $2) ]]; then # But the setting exists in that section, only with a different value...
              new_setting_value=$(get_setting_value $2 "$current_setting_name" $4 $current_section)
              action="change"
              echo $action"^"$current_section"^"$(sed -e 's%\\\\%\\%g' <<< "$current_setting_name")"^"$new_setting_value"^"$4 >> $3
            fi
          fi
        fi
      elif [[ (-z $current_section) ]]; then # If line is not in a section...
        if [[ ! -z $(grep -o -P "^\s*?#.*?$" <<< "$current_setting_line") ]]; then # Check for disabled lines
          if [[ -z $(grep -o -P "^\s*?$current_setting_line$" $2) ]]; then # If disabled line is not disabled in new file...
            action="disable_setting"
            echo $action"^"$current_section"^"$(sed -n -E 's^\s*?#(.*?)$^\1^p' <<< "$current_setting_line") >> $3
          fi
        elif [[ ! -z $(sed -n -E '\^\s*?#'"$(sed -E 's/^[ \t]*//' <<< "$escaped_setting_line")"'$^p' $2) ]]; then # Check if line is disabled in new file
            action="enable_setting"
            echo $action"^"$current_section"^"$current_setting_line >> $3
        else # Look for setting value differences
          if [[ (-z $(sed -n -E '\^\s*?\b'"$(sed -E 's/^[ \t]*//' <<< "$escaped_setting_line")"'$^p' $2)) ]]; then # If the same setting line is not found in the modified file...
            current_setting_name=$(get_setting_name "$escaped_setting_line" "$4")
            if [[ ! -z $(sed -n -E '\^\s*?\b'"$current_setting_name"'\s*?[:=]^p' $2) ]]; then # But the setting exists, only with a different value...
              new_setting_value=$(get_setting_value $2 "$current_setting_name" $4)
              action="change"
              echo $action"^"$current_section"^"$(sed -e 's%\\\\%\\%g' <<< "$current_setting_name")"^"$new_setting_value"^"$4 >> $3
            fi
          fi
        fi
      fi
    fi
  done < $1

    # Reset the variables for reuse
    action=""
    current_section=""
    current_setting_name=""
    current_setting_value=""

  while read -r current_setting_line; # Look for new lines (from dynamically generated config files) in modified file compared to original
  do

    printf -v escaped_setting_line '%q' "$current_setting_line" # Take care of special characters before they mess with future commands

    if [[ (! -z $current_setting_line) && (! $current_setting_line == "#!/bin/bash") && (! $current_setting_line == "[]") ]]; then # Ignore empty lines, empty arrays or Bash start lines
      if [[ ! -z $(grep -o -P "^\[.+?\]$" <<< "$current_setting_line") || ! -z $(grep -o -P "^\b.+?:$" <<< "$current_setting_line") ]]; then # Capture section header lines
      if [[ $current_setting_line =~ ^\[.+\] ]]; then # If normal section line
        action="section"
        current_section=$(sed 's^[][]^^g' <<< $current_setting_line) # Remove brackets from section name
        echo "Section found:" "$current_section""."
      elif [[ ! -z $(grep -o -P "^\b.+?:$" <<< "$current_setting_line") ]]; then # If RPCS3 section name
        action="section"
        current_section=$(sed 's^:$^^' <<< $current_setting_line) # Remove colon from section name
        echo "Section found:" "$current_section""."
      fi
      elif [[ (! -z $current_section) ]]; then
        current_setting_name=$(get_setting_name "$escaped_setting_line" "$4")
        if [[ -z $(sed -n -E '\^\['"$current_section"'\]|\b'"$current_section"':$^,\^\b'"$current_setting_name"'.*^{ \^\['"$current_section"'\]|\b'"$current_section"':$^! { \^\b'"$current_setting_name"'^p } }' $1 ) ]]; then # If setting name is not found in this section of the original file...
          action="add_setting"
          echo $action"^"$current_section"^"$current_setting_line"^^"$4 >> $3
        fi
      elif [[ (-z $current_section) ]]; then
        current_setting_name=$(get_setting_name "$escaped_setting_line" "$4")
        if [[ -z $(sed -n -E '\^\s*?\b'"$current_setting_name"'\s*?[:=]^p' $1) ]]; then # If setting name is not found in the original file...
          action="add_setting"
          echo $action"^"$current_section"^"$current_setting_line"^^"$4 >> $3
        fi
      fi
    fi
  done < $2
}

deploy_single_patch() {

# This function will take an "original" file and a patch file and generate a ready to use modified file
# USAGE: deploy_single_patch $original_file $patch_file $output_file

cp -fv $1 $3 # Create a copy of the original file to be patched

while IFS="^" read -r action current_section setting_name setting_value system_name
do

  case $action in

	"disable_file" )
    disable_file $setting_name
	;;

	"enable_file" )
    enable_file $setting_name
	;;

	"add_setting" )
    add_setting $3 "$setting_name" $system_name $current_section
	;;

	"disable_setting" )
    disable_setting $3 "$setting_name" $system_name $current_section
	;;

	"enable_setting" )
    enable_setting $3 "$setting_name" $system_name $current_section
	;;

	"change" )
    set_setting_value $3 "$setting_name" "$setting_value" $system_name $current_section
  ;;

	* )
	  echo "Config file malformed"
	;;

  esac
done < $2
}

deploy_multi_patch() {

# This function will take a single "batch" patch file and run all patches listed in it, across multiple config files
# USAGE: deploy_multi_patch $patch_file
# Patch file format should be as follows, with optional entries in (). Optional settings can be left empty, but must still have ^ dividers:
# $action^($current_section)^$setting_name^$setting_value^$system_name^($config file)

while IFS="^" read -r action current_section setting_name setting_value system_name config_file
do
  case $action in

	"disable_file" )
    disable_file $config_file
	;;

	"enable_file" )
    enable_file $config_file
	;;

	"add_setting" )
    add_setting $config_file "$setting_name" $system_name $current_section
	;;

	"disable_setting" )
    disable_setting $config_file "$setting_name" $system_name $current_section
	;;

	"enable_setting" )
    enable_setting $config_file "$setting_name" $system_name $current_section
	;;

	"change" )
    set_setting_value $config_file "$setting_name" "$setting_value" $system_name $current_section
  ;;

	* )
	  echo "Config file malformed"
	;;

  esac
done < $1
}

update_rd_conf() {
  # This function will import a default retrodeck.cfg file and update it with any current settings. This will allow us to expand the file over time while retaining current user settings.
  # USAGE: update_rd_conf

  mv -f $rd_conf $rd_conf_backup # Backup config file before update

  generate_single_patch $rd_defaults $rd_conf_backup $rd_update_patch retrodeck
  sed -i '/change^^version/d' $rd_update_patch # Remove version line from temporary patch file, so old value isn't kept
  deploy_single_patch $rd_defaults $rd_update_patch $rd_conf
  set_setting_value $rd_conf "version" "$hard_version" retrodeck # Set version of currently running RetroDECK to updated retrodeck.cfg
  rm -f $rd_update_patch # Cleanup temporary patch file
}

conf_write() {
  # writes the variables in the retrodeck config file

  echo "DEBUG: printing the config file content before writing it:"
  cat "$rd_conf"
  echo ""

  echo "Writing the config file: $rd_conf"

  # TODO: this can be optimized with a while and a list of variables to check
  if [ ! -z "$version" ] #if the variable is not null then I update it
  then
    sed -i "s%version=.*%version=$version%" "$rd_conf"
  fi

  if [ ! -z "$rdhome" ]
  then
    sed -i "s%rdhome=.*%rdhome=$rdhome%" "$rd_conf"
  fi

  if [ ! -z "$roms_folder" ]
  then
    sed -i "s%roms_folder=.*%roms_folder=$roms_folder%" "$rd_conf"
  fi

  if [ ! -z "$saves_folder" ]
  then
    sed -i "s%saves_folder=.*%saves_folder=$saves_folder%" "$rd_conf"
  fi

  if [ ! -z "$states_folder" ]
  then
    sed -i "s%states_folder=.*%states_folder=$states_folder%" "$rd_conf"
  fi

  if [ ! -z "$bios_folder" ]
  then
    sed -i "s%bios_folder=.*%bios_folder=$bios_folder%" "$rd_conf"
  fi

  if [ ! -z "$media_folder" ]
  then
    sed -i "s%media_folder=.*%media_folder=$media_folder%" "$rd_conf"
  fi

  if [ ! -z "$themes_folder" ]
  then
    sed -i "s%themes_folder=.*%themes_folder=$themes_folder%" "$rd_conf"
  fi

  if [ ! -z "$logs_folder" ]
  then
    sed -i "s%logs_folder=.*%logs_folder=$logs_folder%" "$rd_conf"
  fi

  if [ ! -z "$sdcard" ]
  then
    sed -i "s%sdcard=.*%sdcard=$sdcard%" "$rd_conf"
  fi
  echo "DEBUG: New contents:"
  cat "$rd_conf"
  echo ""
}

dir_prep() {
  # This script is creating a symlink preserving old folder contents and moving them in the new one

  # Call me with:
  # dir prep "real dir" "symlink location"
  real="$1"
  symlink="$2"

  echo -e "\n[DIR PREP]\nMoving $symlink in $real" #DEBUG

  # if the dest dir exists we want to backup it
  if [ -d "$symlink" ];
  then
    echo "$symlink found" #DEBUG
    mv -f "$symlink" "$symlink.old"
  fi

  # if the real dir is already a symlink, unlink it first
  if [ -L "$real" ];
  then
    unlink "$real"
  fi

  # if the real dir doesn't exist we create it
  if [ ! -d "$real" ];
  then
    echo "$real not found, creating it" #DEBUG
    mkdir -pv "$real"
  fi

  # creating the symlink
  echo "linking $real in $symlink" #DEBUG
  mkdir -pv "$(dirname "$symlink")" # creating the full path except the last folder
  ln -svf "$real" "$symlink"

  # moving everything from the old folder to the new one, delete the old one
  if [ -d "$symlink.old" ];
  then
    echo "Moving the data from $symlink.old to $real" #DEBUG
    mv -f "$symlink.old"/{.[!.],}* $real
    echo "Removing $symlink.old" #DEBUG
    rm -rf "$symlink.old"
  fi

  echo -e "$symlink is now $real\n"
}

yuzu_init() {
  echo "----------------------"
  echo "Initializing YUZU"
  echo "----------------------"
  # removing dead symlinks as they were present in a past version
  if [ -d $rdhome/bios/switch ]; then
    find $rdhome/bios/switch -xtype l -exec rm {} \;
  fi
  # initializing the keys folder
  dir_prep "$rdhome/bios/switch/keys" "/var/data/yuzu/keys"
  # initializing the firmware folder
  dir_prep "$rdhome/bios/switch/registered" "/var/data/yuzu/nand/system/Contents/registered"
  # initializing the save folders
  dir_prep "$rdhome/saves/switch/yuzu/nand" "/var/data/yuzu/nand"
  dir_prep "$rdhome/saves/switch/yuzu/sdmc" "/var/data/yuzu/sdmc"
  # configuring Yuzu
  dir_prep "$rdhome/.logs/yuzu" "/var/data/yuzu/log"
  # removing config directory to wipe legacy files
  rm -rf /var/config/yuzu
  mkdir -pv /var/config/yuzu/
  cp -fvr $emuconfigs/yuzu/* /var/config/yuzu/
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/yuzu/qt-config.ini
  dir_prep "$rdhome/screenshots" "/var/data/yuzu/screenshots"
}

dolphin_init() {
  echo "----------------------"
  echo "Initializing DOLPHIN"
  echo "----------------------"
  # removing config directory to wipe legacy files
  rm -rf /var/config/dolphin-emu
  mkdir -pv /var/config/dolphin-emu/
  cp -fvr "$emuconfigs/dolphin/"* /var/config/dolphin-emu/
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/dolphin-emu/Dolphin.ini
  dir_prep "$rdhome/saves/gc/dolphin/EUR" "/var/data/dolphin-emu/GC/EUR"
  dir_prep "$rdhome/saves/gc/dolphin/USA" "/var/data/dolphin-emu/GC/USA"
  dir_prep "$rdhome/saves/gc/dolphin/JAP" "/var/data/dolphin-emu/GC/JAP"
  dir_prep "$rdhome/screenshots" "/var/data/dolphin-emu/ScreenShots"
  dir_prep "$rdhome/states/dolphin" "/var/data/dolphin-emu/StateSaves"
  mkdir -pv /var/data/dolphin-emu/Wii/
  dir_prep "$rdhome/saves/wii/dolphin" "/var/data/dolphin-emu/Wii"
}

primehack_init() {
  echo "----------------------"
  echo "Initializing Primehack"
  echo "----------------------"
  # removing config directory to wipe legacy files
  rm -rf /var/config/primehack
  mkdir -pv /var/config/primehack/
  cp -fvr "$emuconfigs/primehack/"* /var/config/primehack/
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/primehack/Dolphin.ini
  dir_prep "$rdhome/saves/gc/primehack/EUR" "/var/data/primehack/GC/EUR"
  dir_prep "$rdhome/saves/gc/primehack/USA" "/var/data/primehack/GC/USA"
  dir_prep "$rdhome/saves/gc/primehack/JAP" "/var/data/primehack/GC/JAP"
  dir_prep "$rdhome/screenshots" "/var/data/primehack/ScreenShots"
  dir_prep "$rdhome/states/primehack" "/var/data/primehack/StateSaves"
  mkdir -pv /var/data/primehack/Wii/
  dir_prep "$rdhome/saves/wii/primehack" "/var/data/primehack/Wii"
}

pcsx2_init() {
  echo "----------------------"
  echo "Initializing PCSX2"
  echo "----------------------"
  # removing config directory to wipe legacy files
  rm -rf /var/config/PCSX2
  mkdir -pv "/var/config/PCSX2/inis"
  mkdir -pv "$rdhome/saves/ps2/pcsx2/memcards"
  mkdir -pv "$rdhome/states/ps2/pcsx2"
  cp -fvr $emuconfigs/PCSX2/* /var/config/PCSX2/inis/
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/PCSX2/inis/PCSX2_ui.ini
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/PCSX2/inis/PCSX2.ini
  #dir_prep "$rdhome/states/ps2/pcsx2" "/var/config/PCSX2/sstates"
  #dir_prep "$rdhome/screenshots" "/var/config/PCSX2/snaps"
  #dir_prep "$rdhome/.logs" "/var/config/PCSX2/logs"
  #dir_prep "$rdhome/bios" "$rdhome/bios/pcsx2"
}

melonds_init() {
  echo "----------------------"
  echo "Initializing MELONDS"
  echo "----------------------"
  # removing config directory to wipe legacy files
  rm -rf /var/config/melonDS
  mkdir -pv /var/config/melonDS/
  mkdir -pv "$rdhome/saves/nds/melonds"
  mkdir -pv "$rdhome/states/nds/melonds"
  dir_prep "$rdhome/bios" "/var/config/melonDS/bios"
  cp -fvr $emuconfigs/melonDS.ini /var/config/melonDS/
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/melonDS/melonDS.ini
}

citra_init() {
  echo "------------------------"
  echo "Initializing CITRA"
  echo "------------------------"
  # removing config directory to wipe legacy files
  rm -rf /var/config/citra-emu
  mkdir -pv /var/config/citra-emu/
  mkdir -pv "$rdhome/saves/n3ds/citra/nand/"
  mkdir -pv "$rdhome/saves/n3ds/citra/sdmc/"
  dir_prep "$rdhome/bios/citra/sysdata" "/var/data/citra-emu/sysdata"
  dir_prep "$rdhome/.logs/citra" "/var/data/citra-emu/log"
  cp -fv $emuconfigs/citra/qt-config.ini /var/config/citra-emu/qt-config.ini
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/citra-emu/qt-config.ini
}

rpcs3_init() {
  echo "------------------------"
  echo "Initializing RPCS3"
  echo "------------------------"
  # removing config directory to wipe legacy files
  rm -rf /var/config/rpcs3
  mkdir -pv /var/config/rpcs3/
  cp -fvr $emuconfigs/rpcs3/* /var/config/rpcs3/
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/rpcs3/vfs.yml
}

xemu_init() {
  echo "------------------------"
  echo "Initializing XEMU"
  echo "------------------------"
  mkdir -pv $rdhome/saves/xbox/xemu/
  # removing config directory to wipe legacy files
  rm -rf /var/config/xemu
  rm -rf /var/data/xemu
  dir_prep "/var/config/xemu" "/var/data/xemu" # Creating config folder in /var/config for consistentcy and linking back to original location where emulator will look
  cp -fv $emuconfigs/xemu.toml /var/config/xemu/xemu.toml
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/xemu/xemu.toml
  # Preparing HD dummy Image if the image is not found
  if [ ! -f $rdhome/bios/xbox_hdd.qcow2 ]
  then
    wget "https://github.com/mborgerson/xemu-hdd-image/releases/latest/download/xbox_hdd.qcow2.zip" -P $rdhome/bios/
    unzip -q $rdhome/bios/xbox_hdd.qcow2.zip -d $rdhome/bios/
    rm -rfv $rdhome/bios/xbox_hdd.qcow2.zip
  fi
}

ppssppsdl_init() {
  echo "------------------------"
  echo "Initializing PPSSPPSDL"
  echo "------------------------"
  # removing config directory to wipe legacy files
  rm -rf /var/config/ppsspp
  mkdir -p /var/config/ppsspp/PSP/SYSTEM/
  cp -fv $emuconfigs/ppssppsdl/* /var/config/ppsspp/PSP/SYSTEM/
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/ppsspp/PSP/SYSTEM/ppsspp.ini
}

duckstation_init() {
  echo "------------------------"
  echo "Initializing DUCKSTATION"
  echo "------------------------"
  dir_prep "$rdhome/saves/duckstation" "/var/data/duckstation/memcards" # This was not previously included, so performing first for save data safety.
  dir_prep "$rdhome/states/duckstation" "/var/data/duckstation/savestates" # This was not previously included, so performing first for state data safety.
  # removing config directory to wipe legacy files
  rm -rf /var/config/duckstation
  mkdir -p /var/data/duckstation/
  cp -fv $emuconfigs/duckstation/* /var/data/duckstation
  sed -i 's#/home/deck/retrodeck/bios#'$rdhome/bios'#g' /var/data/duckstation/settings.ini
}

ryujinx_init() {
  echo "------------------------"
  echo "Initializing RYUJINX"
  echo "------------------------"
  # removing config directory to wipe legacy files
  rm -rf /var/config/Ryujinx
  mkdir -p /var/config/Ryujinx/system
  cp -fv $emuconfigs/ryujinx/* /var/config/Ryujinx
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/Ryujinx/Config.json
  dir_prep "$rdhome/bios/switch/keys" "/var/config/Ryujinx/system"
}

standalones_init() {
  # This script is configuring the standalone emulators with the default files present in emuconfigs folder

  echo "------------------------------------"
  echo "Initializing standalone emulators"
  echo "------------------------------------"
  citra_init
  dolphin_init
  duckstation_init
  melonds_init
  pcsx2_init
  ppssppsdl_init
  primehack_init
  rpcs3_init
  ryujinx_init
  xemu_init
  yuzu_init
}

ra_init() {
  # removing config directory to wipe legacy files
  rm -rf /var/config/retroarch
  mkdir -p /var/config/retroarch
  dir_prep "$rdhome/bios" "/var/config/retroarch/system"
  dir_prep "$rdhome/.logs/retroarch" "/var/config/retroarch/logs"
  mkdir -pv /var/config/retroarch/shaders/
  cp -rf /app/share/libretro/shaders /var/config/retroarch/
  dir_prep "$rdhome/shaders/retroarch" "/var/config/retroarch/shaders"
  mkdir -pv /var/config/retroarch/cores/
  cp -f /app/share/libretro/cores/* /var/config/retroarch/cores/
  cp -fv $emuconfigs/retroarch/retroarch.cfg /var/config/retroarch/
  cp -fv $emuconfigs/retroarch/retroarch-core-options.cfg /var/config/retroarch/
  mkdir -pv /var/config/retroarch/config/
  cp -rf $emuconfigs/retroarch/core-overrides/* /var/config/retroarch/config
  #rm -rf $rdhome/bios/bios # in some situations a double bios symlink is created
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/retroarch/retroarch.cfg

  # PPSSPP
  echo "--------------------------------"
  echo "Initializing PPSSPP_LIBRETRO"
  echo "--------------------------------"
  if [ -d $rdhome/bios/PPSSPP/flash0/font ]
  then
    mv -fv $rdhome/bios/PPSSPP/flash0/font $rdhome/bios/PPSSPP/flash0/font.bak
  fi
  mkdir -p $rdhome/bios/PPSSPP
  #if [ ! -f "$rdhome/bios/PPSSPP/ppge_atlas.zim" ]
  #then
    wget "https://github.com/hrydgard/ppsspp/archive/refs/heads/master.zip" -P $rdhome/bios/PPSSPP
    unzip -q "$rdhome/bios/PPSSPP/master.zip" -d $rdhome/bios/PPSSPP/
    mv -f "$rdhome/bios/PPSSPP/ppsspp-master/assets/"* "$rdhome/bios/PPSSPP/"
    rm -rfv "$rdhome/bios/PPSSPP/master.zip"
    rm -rfv "$rdhome/bios/PPSSPP/ppsspp-master"
  #fi
  if [ -d $rdhome/bios/PPSSPP/flash0/font.bak ]
  then
    mv -fv $rdhome/bios/PPSSPP/flash0/font.bak $rdhome/bios/PPSSPP/flash0/font
  fi

  # MSX / SVI / ColecoVision / SG-1000
  echo "-----------------------------------------------------------"
  echo "Initializing MSX / SVI / ColecoVision / SG-1000 LIBRETRO"
  echo "-----------------------------------------------------------"
  wget "http://bluemsx.msxblue.com/rel_download/blueMSXv282full.zip" -P $rdhome/bios/MSX
  unzip -q "$rdhome/bios/MSX/blueMSXv282full.zip" -d $rdhome/bios/MSX
  mv -f $rdhome/bios/MSX/Databases $rdhome/bios/Databases
  mv -f $rdhome/bios/MSX/Machines $rdhome/bios/Machines
  rm -rfv $rdhome/bios/MSX
}

cli_emulator_reset() {
  # This function will reset one or more emulators from the command line arguments.
  # USAGE: cli_emulator_reset $emulator

  case $1 in

    "retroarch" )
      ra_init
    ;;
    "citra" )
      citra_init
    ;;
    "dolphin" )
      dolphin_init
    ;;
    "duckstation" )
      duckstation_init
    ;;
    "melonds" )
      melonds_init
    ;;
    "pcsx2" )
      pcsx2_init
    ;;
    "ppsspp" )
      ppssppsdl_init
    ;;
    "primehack" )
      primehack_init
    ;;
    "rpcs3" )
      rpcs3_init
    ;;
    "xemu" )
      xemu_init
    ;;
    "yuzu" )
      yuzu_init
    ;;
    "all-emulators" )
      ra_init
      standalones_init
    ;;
  esac
}

emulators_post_move() {
  # This script will redo the symlinks for all emulators after moving the $rdhome location without resetting other options
  # FUTURE WORK: The sed commands here should be replaced with set_setting_value and dir_prep should be replaced with changing paths in config files directly where possible

  # ES section
  dir_prep $roms_folder "/var/config/emulationstation/ROMs"

  # RA section
  dir_prep "$rdhome/bios" "/var/config/retroarch/system"
  dir_prep "$rdhome/.logs/retroarch" "/var/config/retroarch/logs"
  dir_prep "$rdhome/shaders/retroarch" "/var/config/retroarch/shaders"
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/retroarch/retroarch.cfg

  # Yuzu section
  dir_prep "$rdhome/bios/switch/keys" "/var/data/yuzu/keys"
  dir_prep "$rdhome/bios/switch/registered" "/var/data/yuzu/nand/system/Contents/registered"
  dir_prep "$rdhome/saves/switch/yuzu/nand" "/var/data/yuzu/nand"
  dir_prep "$rdhome/saves/switch/yuzu/sdmc" "/var/data/yuzu/sdmc"
  dir_prep "$rdhome/.logs/yuzu" "/var/data/yuzu/log"
  dir_prep "$rdhome/screenshots" "/var/data/yuzu/screenshots"
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/yuzu/qt-config.ini

  # Dolphin section
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/dolphin-emu/Dolphin.ini
  dir_prep "$rdhome/saves/gc/dolphin/EUR" "/var/data/dolphin-emu/GC/EUR"
  dir_prep "$rdhome/saves/gc/dolphin/USA" "/var/data/dolphin-emu/GC/USA"
  dir_prep "$rdhome/saves/gc/dolphin/JAP" "/var/data/dolphin-emu/GC/JAP"
  dir_prep "$rdhome/screenshots" "/var/data/dolphin-emu/ScreenShots"
  dir_prep "$rdhome/states/dolphin" "/var/data/dolphin-emu/StateSaves"
  dir_prep "$rdhome/saves/wii/dolphin" "/var/data/dolphin-emu/Wii/"

  # Primehack section
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/primehack/Dolphin.ini
  dir_prep "$rdhome/saves/gc/primehack/EUR" "/var/data/primehack/GC/EUR"
  dir_prep "$rdhome/saves/gc/primehack/USA" "/var/data/primehack/GC/USA"
  dir_prep "$rdhome/saves/gc/primehack/JAP" "/var/data/primehack/GC/JAP"
  dir_prep "$rdhome/screenshots" "/var/data/primehack/ScreenShots"
  dir_prep "$rdhome/states/primehack" "/var/data/primehack/StateSaves"
  dir_prep "$rdhome/saves/wii/primehack" "/var/data/primehack/Wii/"

  # PCSX2 section
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/PCSX2/inis/PCSX2_ui.ini
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/PCSX2/inis/PCSX2.ini

  # MelonDS section
  dir_prep "$rdhome/bios" "/var/config/melonDS/bios"
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/melonDS/melonDS.ini

  # Citra section
  dir_prep "$rdhome/bios/citra/sysdata" "/var/data/citra-emu/sysdata"
  dir_prep "$rdhome/.logs/citra" "/var/data/citra-emu/log"
  sed -i 's#RETRODECKHOMEDIR#'$rdhome'#g' /var/config/citra-emu/qt-config.ini

  # RPCS3 section
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/rpcs3/vfs.yml

  # XEMU section
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/data/xemu/xemu.toml

  # PPSSPP Standalone section
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/ppsspp/PSP/SYSTEM/ppsspp.ini

  # Duckstation section
  sed -i 's#/home/deck/retrodeck/bios#'$rdhome/bios'#g' /var/data/duckstation/settings.ini

  # Ryujinx section
  sed -i 's#/home/deck/retrodeck#'$rdhome'#g' /var/config/Ryujinx/Config.json
  dir_prep "$rdhome/bios/switch/keys" "/var/config/Ryujinx/system"
}

create_lock() {
  # creating RetroDECK's lock file and writing the version in the config file
  version=$hard_version
  touch "$lockfile"
  conf_write
}

easter_eggs() {
  # This function will replace the RetroDECK startup splash screen with a different image if the day and time match a listing in easter_egg_checklist.cfg
  # The easter_egg_checklist.cfg file has the current format: $start_date^$end_date^$start_time^$end_time^$splash_file
  # Ex. The line "1001^1031^0000^2359^spooky.svg" would show the file "spooky.svg" During any time of day in the month of October
  # The easter_egg_checklist.cfg is read in order, so lines higher in the file will have higher priority in the event of an overlap
  # USAGE: easter_eggs
  current_day=$(date +"%0m%0d") # Read the current date in a format that can be calculated in ranges
  current_time=$(date +"%0H%0M") # Read the current time in a format that can be calculated in ranges
  while IFS="^" read -r start_date end_date start_time end_time splash_file # Read Easter Egg checklist file and separate values
  do
    if [[ $current_day -ge "$start_date" && $current_day -le "$end_date" && $current_time -ge "$start_time" && $current_time -le "$end_time" ]]; then # If current line specified date/time matches current date/time, set $splash_file to be deployed
      new_splash_file="$splashscreen_dir/$splash_file"
      break
    else # When there are no matches, the default splash screen is set to deploy
      new_splash_file="$default_splash_file"
    fi
  done < $easter_egg_checklist

  cp -fv "$new_splash_file $current_splash_file" # Deploy assigned splash screen
}

start_retrodeck() {
  echo "Checking to see if today has a surprise..."
  easter_eggs
  # normal startup
  echo "Starting RetroDECK v$version"
  emulationstation --home /var/config/emulationstation
}

finit_browse() {
# Function for choosing data directory location during first/forced init
path_selected=false
while [ $path_selected == false ]
do
  local target="$(zenity --file-selection --title="Choose RetroDECK data directory location" --directory)"
  if [[ ! -z $target ]]; then
    if [[ -w $target ]]; then
      zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" \
      --cancel-label="No" \
      --ok-label "Yes" \
      --text="Your RetroDECK data folder will be:\n\n$target/retrodeck\n\nis that ok?"
      if [ $? == 0 ] #yes
      then
        path_selected=true
        echo "$target/retrodeck"
        break
      else
        zenity --question --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --cancel-label="No" --ok-label "Yes" --text="Do you want to quit?"
        if [ $? == 0 ] # yes, quit
        then
          exit 2
        fi
      fi
    fi
  else
    zenity --error --no-wrap \
    --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
    --title "RetroDECK" \
    --ok-label "Quit" \
    --text="No location was selected. Please run RetroDECK again to retry."
    exit 2
  fi
done
}

finit() {
# Force/First init, depending on the situation

  echo "Executing finit"

  # Internal or SD Card?
  choice=$(configurator_destination_choice_dialog "RetroDECK data" "Welcome to the first configuration of RetroDECK.\nThe setup will be quick but please READ CAREFULLY each message in order to avoid misconfigurations.\n\nWhere do you want your RetroDECK data folder to be located?\n\nThis folder will contain all ROMs, BIOSs and scraped data." )
  echo "Choice is $choice"

  case $choice in

  "" ) # Cancel or X button quits
    echo "Now quitting"
    exit 2
  ;;

  "Internal Storage" ) # Internal
    echo "Internal selected"
    rdhome="$HOME/retrodeck"
    roms_folder="$rdhome/roms"
    saves_folder="$rdhome/saves"
    states_folder="$rdhome/states"
    bios_folder="$rdhome/bios"
    media_folder="$rdhome/downloaded_media"
    themes_folder="$rdhome/themes"
    if [[ -L $rdhome ]]; then #Remove old symlink from existing install, if it exists
      unlink $rdhome
    fi
  ;;

  "SD Card" )
    echo "SD Card selected"
    if [ ! -d "$sdcard" ] # SD Card path is not existing
    then
      echo "Error: SD card not found"
      zenity --error --no-wrap \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK" \
      --ok-label "Browse" \
      --text="SD Card was not find in the default location.\nPlease choose the SD Card root.\nA retrodeck folder will be created starting from the directory that you selected."
      rdhome=$(finit_browse) # Calling the browse function
      if [[ -z $rdhome ]]; then # If user hit the cancel button
        exit 2
      fi
      roms_folder="$rdhome/roms"
      saves_folder="$rdhome/saves"
      states_folder="$rdhome/states"
      bios_folder="$rdhome/bios"
      media_folder="$rdhome/downloaded_media"
      themes_folder="$rdhome/themes"
    elif [ ! -w "$sdcard" ] #SD card found but not writable
      then
        echo "Error: SD card found but not writable"
        zenity --error --no-wrap \
        --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
        --title "RetroDECK" \
        --ok-label "Quit" \
        --text="SD card was found but is not writable\nThis can happen with cards formatted on PC.\nPlease format the SD card through the Steam Deck's Game Mode and run RetroDECK again."
        echo "Now quitting"
        exit 2
    else
      rdhome="$sdcard/retrodeck"
      roms_folder="$rdhome/roms"
      saves_folder="$rdhome/saves"
      states_folder="$rdhome/states"
      bios_folder="$rdhome/bios"
      media_folder="$rdhome/downloaded_media"
      themes_folder="$rdhome/themes"
    fi
  ;;

  "Custom Location" )
      echo "Custom Location selected"
      zenity --info --no-wrap \
      --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
      --title "RetroDECK" \
      --ok-label "Browse" \
      --text="Please choose the root folder for the RetroDECK data.\nA retrodeck folder will be created starting from the directory that you selected."
      rdhome=$(finit_browse) # Calling the browse function
      if [[ -z $rdhome ]]; then # If user hit the cancel button
        exit 2
      fi
      roms_folder="$rdhome/roms"
      saves_folder="$rdhome/saves"
      states_folder="$rdhome/states"
      bios_folder="$rdhome/bios"
      media_folder="$rdhome/downloaded_media"
      themes_folder="$rdhome/themes"
    ;;

  esac

  if [[ ! "$rdhome" == "$HOME/retrodeck" && ! -L $HOME/retrodeck ]]; then # If data stored on SD card, create /home/deck/retrodeck symlink to keep things working until configs can get modified
    echo "Symlinking retrodeck directory to home directory"
    dir_prep "$rdhome" "$HOME/retrodeck"
  fi

  mkdir -pv $roms_folder

  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --text="RetroDECK will now install the needed files.\nPlease wait up to one minute,\nanother message will notify when the process will be finished.\n\nPress OK to continue."

  # Recreating the folder
  rm -rfv /var/config/emulationstation/
  rm -rfv /var/config/retrodeck/tools/
  mkdir -pv /var/config/emulationstation/

  # Initializing ES-DE
  # TODO: after the next update of ES-DE this will not be needed - let's test it
  emulationstation --home /var/config/emulationstation --create-system-dirs

  mkdir -pv /var/config/retrodeck/tools/

  #zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" --title "RetroDECK" --text="RetroDECK will now install the needed files.\nPlease wait up to one minute,\nanother message will notify when the process will be finished.\n\nPress OK to continue."

  # Initializing ROMs folder - Original in retrodeck home (or SD Card)
  dir_prep $roms_folder "/var/config/emulationstation/ROMs"

  mkdir -pv $saves_folder
  mkdir -pv $states_folder
  mkdir -pv $rdhome/screenshots
  mkdir -pv $rdhome/.logs

  # XMLSTARLET HERE
  cp -fv /app/retrodeck/es_settings.xml /var/config/emulationstation/.emulationstation/es_settings.xml

  # ES-DE preparing themes and scraped folders
  dir_prep "$media_folder" "/var/config/emulationstation/.emulationstation/downloaded_media"
  dir_prep "$themes_folder" "/var/config/emulationstation/.emulationstation/themes"

  # PICO-8
  dir_prep "$bios_folder/pico-8" "$HOME/.lexaloffle/pico-8" # Store binary and config files together. The .lexaloffle directory is a hard-coded location for the PICO-8 config file, cannot be changed
  dir_prep "$roms_folder/pico8" "$bios_folder/pico-8/carts" # Symlink default game location to RD roms for cleanliness (this location is overridden anyway by the --root_path launch argument anyway)
  dir_prep "$bios_folder/pico-8/cdata" "$saves_folder/pico-8" # PICO-8 saves folder

  (
  ra_init
  standalones_init
  ) |
  zenity --icon-name=net.retrodeck.retrodeck --progress --no-cancel --pulsate --auto-close \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Finishing Initialization" \
  --text="RetroDECK is finishing the initial setup process, please wait."

  create_lock

  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK" \
  --text="Installation completed.\nPlease put your roms in:\n\n$roms_folder\n\nand your bioses in\n\n$bios_folder\n\nThen start the program again.\nIf you wish to change the roms location, you may use the tool located the tools section of RetroDECK.\n\nIMPORTANT NOTES:\n- RetroDECK must be manually added and launched from your Steam Library in order to work correctly.\n- It's recommended to use the 'RetroDECK Offical Controller Config' from Steam (under community layouts).\n- It's suggested to use BoilR to automatically add the SteamGridDB images to Steam (this will be automated soon).\nhttps://github.com/PhilipK/BoilR"
  # TODO: Replace the stuff above with BoilR code when ready
}

#=========================
# REUSABLE DIALOGS SECTION
#=========================

debug_dialog() {
  # This function is for displaying commands run by the Configurator without actually running them
  # USAGE: debug_dialog "command"

  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Configurator Utility - Debug Dialog" \
  --text="$1"
}

configurator_process_complete_dialog() {
  # This dialog shows when a process is complete.
  # USAGE: configurator_process_complete_dialog "process text"
  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap --ok-label="Quit" --extra-button="OK" \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Configurator Utility - Process Complete" \
  --text="The process of $1 is now complete.\n\nYou may need to quit and restart RetroDECK for your changes to take effect\n\nClick OK to return to the Main Menu or Quit to return to RetroDECK."

  if [ ! $? == 0 ] # OK button clicked
  then
      configurator_welcome_dialog
  fi
}

configurator_generic_dialog() {
  # This dialog is for showing temporary messages before another process happens.
  # USAGE: configurator_generid_dialog "info text"
  zenity --icon-name=net.retrodeck.retrodeck --info --no-wrap \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --title "RetroDECK Configurator Utility" \
  --text="$1"
}

configurator_destination_choice_dialog() {
  # This dialog is for making things easy for new users to move files to common locations. Gives the options for "Internal", "SD Card" and "Custom" locations.
  # USAGE: $(configurator_destination_choice_dialog "folder being moved" "action text")
  # This function returns one of the values: "Back" "Internal Storage" "SD Card" "Custom Location"
  choice=$(zenity --title "RetroDECK Configurator Utility - Moving $1 folder" --info --no-wrap --ok-label="Back" --extra-button="Internal Storage" --extra-button="SD Card" --extra-button="Custom Location" \
  --window-icon="/app/share/icons/hicolor/scalable/apps/net.retrodeck.retrodeck.svg" \
  --text="$2")

  echo $choice
}