initial
This commit is contained in:
203
scripts/.local/bin/mute_toggle.sh
Executable file
203
scripts/.local/bin/mute_toggle.sh
Executable file
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#!/bin/bash
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set -euo pipefail # Exit on error, undefined variable, or pipe failure
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# Set STATE_FILE according to XDG Base Directory Specification
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XDG_CACHE_HOME="${XDG_CACHE_HOME:-$HOME/.cache}"
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readonly STATE_DIR="$XDG_CACHE_HOME/mute_toggle"
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readonly STATE_FILE="$STATE_DIR/muted_sources"
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# Store command paths or empty strings if not found
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WPCTL_CMD=""
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NOTIFY_SEND_CMD=""
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CANBERRA_GTK_PLAY_CMD=""
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# Function to play KDE notification sound
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play_sound() {
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local event="$1"
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if [[ -n "$CANBERRA_GTK_PLAY_CMD" ]]; then
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"$CANBERRA_GTK_PLAY_CMD" -i "$event" --description="$event" --volume -10 2>/dev/null & disown
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fi
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}
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# Function to send desktop notification and play sound
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# Arguments:
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# $1: Status message part (e.g., "Muted", "Unmuted")
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# $2: Icon name
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# $3: Sound event name
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notify_user() {
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local status_msg="$1"
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local icon_name="$2"
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local sound_event="$3"
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play_sound "$sound_event"
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if [[ -n "$NOTIFY_SEND_CMD" ]]; then
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"$NOTIFY_SEND_CMD" -a "MicrophoneToggle" -i "$icon_name" \
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"Microphone" "Microphone is $status_msg" -t 500
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fi
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}
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# Function to check for required commands
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check_requirements() {
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if command -v wpctl &>/dev/null; then
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WPCTL_CMD="wpctl"
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else
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echo "Error: wpctl not found. Please install WirePlumber (package wireplumber)." >&2
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exit 1
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fi
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if command -v notify-send &>/dev/null; then
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NOTIFY_SEND_CMD="notify-send"
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else
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echo "Warning: notify-send not found. Desktop notifications will be skipped." >&2
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fi
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if command -v canberra-gtk-play &>/dev/null; then
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CANBERRA_GTK_PLAY_CMD="canberra-gtk-play"
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else
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echo "Warning: canberra-gtk-play not found. Notification sounds will be skipped." >&2
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fi
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}
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# Function to extract audio source IDs and their mute states
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# Output: Lines of "<id> <0_or_1_for_muted_status>"
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extract_sources() {
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# The awk script:
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# 1. /Audio/,/Video/: Operates only within the 'Audio' section up to 'Video'.
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# 2. If /Sources:/: Sets flag 's=1' indicating we are in the Sources sub-section.
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# 3. Else if /Filters:|Sinks:|Streams:/: Sets 's=0' if another sub-section starts.
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# This handles cases where Sources is not the last sub-section.
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# 4. Else if (s && match(...)): If in Sources sub-section and line matches pattern for a source:
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# - Extracts ID.
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# - Prints ID and 1 if "MUTED]" is found, 0 otherwise.
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"$WPCTL_CMD" status 2>/dev/null | awk '
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/Audio/,/Video/ {
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if ($0 ~ /Sources:/) s=1
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else if ($0 ~ /Filters:|Sinks:|Streams:/) s=0
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else if (s && match($0, /^[[:space:]]*│[[:space:]]*[* ]?[[:space:]]*([0-9]+)\. (.*)/, a)) {
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id = a[1]
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print id, ($0 ~ /MUTED\]/ ? 1 : 0) # Check for "MUTED]" for more specificity
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}
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}'
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}
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main() {
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local FORCE_MODE=false
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if [[ "$#" -gt 0 && "$1" == "--force" ]]; then
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FORCE_MODE=true
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shift # Consume the --force argument
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echo "Running in --force mode: will not save/use saved state."
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fi
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check_requirements
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# Ensure state file directory exists (only if we might use it)
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if ! "$FORCE_MODE"; then
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mkdir -p "$STATE_DIR" || { echo "Error: Cannot create directory for $STATE_DIR" >&2; exit 1; }
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fi
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declare -A current_source_states # Stores ID -> current_mute_status (0=unmuted, 1=muted)
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declare -A ids_muted_by_script # Stores IDs of sources this script muted previously (from STATE_FILE)
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local -a ids_to_mute_now=() # Array of UNMUTED source IDs to be muted
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local -a ids_to_unmute_based_on_script_state=() # Array of MUTED source IDs (that script muted) to be unmuted
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local -a ids_currently_muted=() # Array of ALL currently MUTED source IDs (used by --force)
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# Step 1: Load IDs of sources previously muted by this script (if not in force mode)
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if ! "$FORCE_MODE"; then
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if [[ -f "$STATE_FILE" ]]; then
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while IFS= read -r id_from_file || [[ -n "$id_from_file" ]]; do # Handle last line without newline
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if [[ "$id_from_file" =~ ^[0-9]+$ ]]; then # Basic validation
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ids_muted_by_script["$id_from_file"]=1
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fi
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done < "$STATE_FILE"
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fi
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fi
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# Step 2: Get current state of all audio sources
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local no_sources_found=true
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while IFS=' ' read -r id muted_status; do
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no_sources_found=false
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current_source_states["$id"]=$muted_status
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if [[ "$muted_status" -eq 0 ]]; then # If currently unmuted
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ids_to_mute_now+=("$id")
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else # If currently muted
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ids_currently_muted+=("$id") # Store all muted IDs for --force unmute
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# If not in force mode, and it was muted by this script
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if ! "$FORCE_MODE" && [[ "${ids_muted_by_script[$id]+exists}" ]]; then
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ids_to_unmute_based_on_script_state+=("$id")
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fi
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fi
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done < <(extract_sources)
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if "$no_sources_found"; then
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echo "No active audio sources found."
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notify_user "Unavailable (No Sources)" "dialog-error" "dialog-error" # Or some other icon/sound
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exit 0
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fi
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# Step 3: Determine action based on force mode or state
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local target_ids=()
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local action_type="" # "mute" or "unmute"
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if "$FORCE_MODE"; then
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if [[ ${#ids_to_mute_now[@]} -gt 0 ]]; then # If any sources are unmuted, force mute
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target_ids=("${ids_to_mute_now[@]}")
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action_type="mute"
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elif [[ ${#ids_currently_muted[@]} -gt 0 ]]; then # If all are muted, force unmute
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target_ids=("${ids_currently_muted[@]}")
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action_type="unmute"
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fi
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else # Not force mode, use stateful logic
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if [[ ${#ids_to_mute_now[@]} -gt 0 ]]; then # If any sources are unmuted, mute them all
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target_ids=("${ids_to_mute_now[@]}")
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action_type="mute"
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elif [[ ${#ids_to_unmute_based_on_script_state[@]} -gt 0 ]]; then # If all are muted, and some by script, unmute those
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target_ids=("${ids_to_unmute_based_on_script_state[@]}")
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action_type="unmute"
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fi
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fi
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# Step 4: Perform the determined action
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if [[ "$action_type" == "mute" ]]; then
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echo "Muting sources: ${target_ids[*]}"
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if ! "$FORCE_MODE"; then # Clear state file if not in force mode
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>"$STATE_FILE" || { echo "Error: Cannot clear $STATE_FILE" >&2; exit 1; }
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fi
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for id in "${target_ids[@]}"; do
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if ! "$WPCTL_CMD" set-mute "$id" 1; then
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echo "Warning: Failed to mute source $id. Continuing..." >&2
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fi
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if ! "$FORCE_MODE"; then # Add to state file if not in force mode
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echo "$id" >> "$STATE_FILE"
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fi
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done
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notify_user "Muted" "microphone-sensitivity-muted" "dialog-warning"
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elif [[ "$action_type" == "unmute" ]]; then
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echo "Unmuting sources: ${target_ids[*]}"
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for id in "${target_ids[@]}"; do
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if ! "$WPCTL_CMD" set-mute "$id" 0; then
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echo "Warning: Failed to unmute source $id. Continuing..." >&2
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fi
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done
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if ! "$FORCE_MODE"; then # Remove state file if not in force mode
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rm -f "$STATE_FILE" || { echo "Error: Cannot remove $STATE_FILE" >&2; exit 1; }
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fi
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notify_user "Unmuted" "microphone-sensitivity-high" "dialog-information"
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else
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# This case means:
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# 1. No sources are unmuted.
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# 2. AND (if not force mode) no sources currently muted were previously muted by this script.
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# This can happen if all sources are manually muted, or no relevant action was determined.
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echo "No microphone status change needed."
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if [[ -f "$STATE_FILE" ]]; then
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echo "(State file $STATE_FILE exists, but relevant sources are not currently active or already handled)."
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fi
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notify_user "Unchanged" "dialog-information" "dialog-information"
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fi
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}
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# Ensure script is not sourced
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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main "$@"
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fi
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