Update 05.04.2026
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@@ -1,93 +1,144 @@
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#!/usr/bin/env zsh
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## setup ##
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## Setup
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[[ -o interactive ]] || return #interactive only!
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zmodload zsh/datetime || { print "can't load zsh/datetime"; return } # faster than date()
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autoload -Uz add-zsh-hook || { print "can't add zsh hook!"; return }
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[[ -o interactive ]] || return # don't load on non-interactive shells
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[[ -z "$SSH_CLIENT" && -z "$SSH_TTY" ]] || return # don't load on a SSH connection
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(( ${+bgnotify_threshold} )) || bgnotify_threshold=5 #default 10 seconds
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zmodload zsh/datetime # faster than `date`
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## definitions ##
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## Zsh Hooks
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if ! (type bgnotify_formatted | grep -q 'function'); then ## allow custom function override
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function bgnotify_formatted { ## args: (exit_status, command, elapsed_seconds)
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elapsed="$(( $3 % 60 ))s"
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(( $3 >= 60 )) && elapsed="$((( $3 % 3600) / 60 ))m $elapsed"
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(( $3 >= 3600 )) && elapsed="$(( $3 / 3600 ))h $elapsed"
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[ $1 -eq 0 ] && bgnotify "#win (took $elapsed)" "$2" || bgnotify "#fail (took $elapsed)" "$2"
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}
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fi
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currentAppId () {
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if (( $+commands[osascript] )); then
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osascript -e 'tell application (path to frontmost application as text) to id' 2>/dev/null
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fi
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}
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currentWindowId () {
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if hash osascript 2>/dev/null; then #osx
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osascript -e 'tell application (path to frontmost application as text) to id of front window' 2&> /dev/null || echo "0"
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elif (hash notify-send 2>/dev/null || hash kdialog 2>/dev/null); then #ubuntu!
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xprop -root 2> /dev/null | awk '/NET_ACTIVE_WINDOW/{print $5;exit} END{exit !$5}' || echo "0"
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else
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echo $EPOCHSECONDS #fallback for windows
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fi
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}
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bgnotify () { ## args: (title, subtitle)
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if hash terminal-notifier 2>/dev/null; then #osx
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local term_id="$bgnotify_appid"
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if [[ -z "$term_id" ]]; then
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case "$TERM_PROGRAM" in
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iTerm.app) term_id='com.googlecode.iterm2' ;;
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Apple_Terminal) term_id='com.apple.terminal' ;;
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esac
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fi
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## now call terminal-notifier, (hopefully with $term_id!)
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if [[ -z "$term_id" ]]; then
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terminal-notifier -message "$2" -title "$1" >/dev/null
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else
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terminal-notifier -message "$2" -title "$1" -activate "$term_id" -sender "$term_id" >/dev/null
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fi
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elif hash growlnotify 2>/dev/null; then #osx growl
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growlnotify -m "$1" "$2"
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elif hash notify-send 2>/dev/null; then #ubuntu gnome!
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notify-send "$1" "$2"
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elif hash kdialog 2>/dev/null; then #ubuntu kde!
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kdialog --title "$1" --passivepopup "$2" 5
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elif hash notifu 2>/dev/null; then #cygwyn support!
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notifu /m "$2" /p "$1"
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fi
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}
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## Zsh hooks ##
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bgnotify_begin() {
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function bgnotify_begin {
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bgnotify_timestamp=$EPOCHSECONDS
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bgnotify_lastcmd="${1:-$2}"
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bgnotify_appid="$(currentAppId)"
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bgnotify_windowid=$(currentWindowId)
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}
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bgnotify_end() {
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didexit=$?
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elapsed=$(( EPOCHSECONDS - bgnotify_timestamp ))
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past_threshold=$(( elapsed >= bgnotify_threshold ))
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if (( bgnotify_timestamp > 0 )) && (( past_threshold )); then
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if [[ $(currentAppId) != "$bgnotify_appid" || $(currentWindowId) != "$bgnotify_windowid" ]]; then
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print -n "\a"
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bgnotify_formatted "$didexit" "$bgnotify_lastcmd" "$elapsed"
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fi
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function bgnotify_end {
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{
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local exit_status=$?
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local elapsed=$(( EPOCHSECONDS - bgnotify_timestamp ))
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# check time elapsed
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[[ $bgnotify_timestamp -gt 0 ]] || return 0
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[[ $elapsed -ge $bgnotify_threshold ]] || return 0
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# check if Terminal app is not active
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[[ $(bgnotify_appid) != "$bgnotify_termid" ]] || return 0
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bgnotify_formatted "$exit_status" "$bgnotify_lastcmd" "$elapsed"
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} always {
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bgnotify_timestamp=0
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}
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}
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autoload -Uz add-zsh-hook
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add-zsh-hook preexec bgnotify_begin
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add-zsh-hook precmd bgnotify_end
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## Functions
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# allow custom function override
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(( ${+functions[bgnotify_formatted]} )) || \
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function bgnotify_formatted {
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local exit_status=$1
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local cmd="$2"
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# humanly readable elapsed time
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local elapsed="$(( $3 % 60 ))s"
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(( $3 < 60 )) || elapsed="$((( $3 % 3600) / 60 ))m $elapsed"
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(( $3 < 3600 )) || elapsed="$(( $3 / 3600 ))h $elapsed"
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[[ $bgnotify_bell = true ]] && printf '\a' # beep sound
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if [[ $exit_status -eq 0 ]]; then
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bgnotify "#win (took $elapsed)" "$cmd"
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else
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bgnotify "#fail (took $elapsed)" "$cmd"
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fi
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bgnotify_timestamp=0 #reset it to 0!
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}
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## only enable if a local (non-ssh) connection
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if [ -z "$SSH_CLIENT" ] && [ -z "$SSH_TTY" ]; then
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add-zsh-hook preexec bgnotify_begin
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add-zsh-hook precmd bgnotify_end
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fi
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function bgnotify_appid {
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if (( ${+commands[lsappinfo]} )); then
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lsappinfo info -only bundleid "$(lsappinfo front)" | awk -F= '{print $2}' | tr -d '"' 2>/dev/null
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elif (( ${+commands[osascript]} )); then
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osascript -e "tell application id \"$(bgnotify_programid)\" to get the {id, frontmost, id of front window, visible of front window}" 2>/dev/null
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elif [[ -n $WAYLAND_DISPLAY ]] && ([[ -n $SWAYSOCK ]] || [[ -n $I3SOCK ]]) && (( ${+commands[swaymsg]} )); then # wayland+sway
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local app_id=$(bgnotify_find_sway_appid)
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[[ -n "$app_id" ]] && echo "$app_id" || echo $EPOCHSECONDS
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elif [[ -z $WAYLAND_DISPLAY ]] && [[ -n $DISPLAY ]] && (( ${+commands[xprop]} )); then
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xprop -root _NET_ACTIVE_WINDOW 2>/dev/null | cut -d' ' -f5
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else
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echo $EPOCHSECONDS
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fi
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}
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function bgnotify_find_sway_appid {
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# output is "app_id,container_id", for example "Alacritty,1694"
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# see example swaymsg output: https://github.com/ohmyzsh/ohmyzsh/files/13463939/output.json
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if (( ${+commands[jq]} )); then
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swaymsg -t get_tree | jq '.. | select(.type?) | select(.focused==true) | {app_id, id} | join(",")'
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else
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swaymsg -t get_tree | awk '
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BEGIN { Id = ""; Appid = ""; FocusNesting = -1; Nesting = 0 }
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{
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# Enter a block
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if ($0 ~ /.*{$/) Nesting++
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# Exit a block. If Nesting is now less than FocusNesting, we have the data we are looking for
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if ($0 ~ /^[[:blank:]]*}.*/) { Nesting--; if (FocusNesting > 0 && Nesting < FocusNesting) exit 0 }
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# Save the Id, it is potentially what we are looking for
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if ($0 ~ /^[[:blank:]]*"id": [0-9]*,?$/) { sub(/^[[:blank:]]*"id": /, ""); sub(/,$/, ""); Id = $0 }
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# Save the Appid, it is potentially what we are looking for
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if ($0 ~ /^[[:blank:]]*"app_id": ".*",?$/) { sub(/^[[:blank:]]*"app_id": "/, ""); sub(/",$/, ""); Appid = $0 }
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# Window is focused, this nesting block contains the Id and Appid we want!
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if ($0 ~ /^[[:blank:]]*"focused": true,?$/) { FocusNesting = Nesting }
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}
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END {
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if (Appid != "" && Id != "" && FocusNesting != -1) print Appid "," Id
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else print ""
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}'
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fi
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}
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function bgnotify_programid {
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case "$TERM_PROGRAM" in
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iTerm.app) echo 'com.googlecode.iterm2' ;;
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Apple_Terminal) echo 'com.apple.terminal' ;;
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ghostty) echo 'com.mitchellh.ghostty' ;;
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esac
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}
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function bgnotify {
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local title="$1"
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local message="$2"
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local icon="$3"
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if (( ${+commands[terminal-notifier]} )); then # macOS
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local term_id=$(bgnotify_programid)
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terminal-notifier -message "$message" -title "$title" ${=icon:+-appIcon "$icon"} ${=term_id:+-activate "$term_id"} ${=bgnotify_extraargs:-} &>/dev/null
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elif (( ${+commands[growlnotify]} )); then # macOS growl
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growlnotify -m "$title" "$message" ${=bgnotify_extraargs:-}
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elif (( ${+commands[notify-send]} )); then
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notify-send "$title" "$message" ${=icon:+--icon "$icon"} ${=bgnotify_extraargs:-}
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elif (( ${+commands[kdialog]} )); then # KDE
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kdialog --title "$title" --passivepopup "$message" 5 ${=bgnotify_extraargs:-}
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elif (( ${+commands[notifu]} )); then # cygwin
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notifu /m "$message" /p "$title" ${=icon:+/i "$icon"} ${=bgnotify_extraargs:-}
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fi
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}
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## Defaults
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# enable terminal bell on notify by default
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bgnotify_bell=${bgnotify_bell:-true}
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# notify if command took longer than 5s by default
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bgnotify_threshold=${bgnotify_threshold:-5}
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# bgnotify_appid is slow in macOS and the terminal ID won't change, so cache it at startup
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bgnotify_termid="$(bgnotify_appid)"
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