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dot_oh-my-zsh/plugins/bgnotify/bgnotify.plugin.zsh

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+#!/usr/bin/env zsh
+
+## Setup
+
+[[ -o interactive ]] || return # don't load on non-interactive shells
+[[ -z "$SSH_CLIENT" && -z "$SSH_TTY" ]] || return # don't load on a SSH connection
+
+zmodload zsh/datetime # faster than `date`
+
+
+## Zsh Hooks
+
+function bgnotify_begin {
+  bgnotify_timestamp=$EPOCHSECONDS
+  bgnotify_lastcmd="${1:-$2}"
+}
+
+function bgnotify_end {
+  {
+    local exit_status=$?
+    local elapsed=$(( EPOCHSECONDS - bgnotify_timestamp ))
+
+    # check time elapsed
+    [[ $bgnotify_timestamp -gt 0 ]] || return
+    [[ $elapsed -ge $bgnotify_threshold ]] || return
+
+    # check if Terminal app is not active
+    [[ $(bgnotify_appid) != "$bgnotify_termid" ]] || return
+
+    printf '\a' # beep sound
+    bgnotify_formatted "$exit_status" "$bgnotify_lastcmd" "$elapsed"
+  } always {
+    bgnotify_timestamp=0
+  }
+}
+
+autoload -Uz add-zsh-hook
+add-zsh-hook preexec bgnotify_begin
+add-zsh-hook precmd bgnotify_end
+
+
+## Functions
+
+# allow custom function override
+(( ${+functions[bgnotify_formatted]} )) || \
+function bgnotify_formatted {
+  local exit_status=$1
+  local cmd="$2"
+
+  # humanly readable elapsed time
+  local elapsed="$(( $3 % 60 ))s"
+  (( $3 < 60 )) || elapsed="$((( $3 % 3600) / 60 ))m $elapsed"
+  (( $3 < 3600 )) || elapsed="$(( $3 / 3600 ))h $elapsed"
+
+  if [[ $1 -eq 0 ]]; then
+    bgnotify "#win (took $elapsed)" "$2"
+  else
+    bgnotify "#fail (took $elapsed)" "$2"
+  fi
+}
+
+# for macOS, output is "app ID, window ID" (com.googlecode.iterm2, 116)
+function bgnotify_appid {
+  if (( ${+commands[osascript]} )); then
+    osascript -e 'tell application (path to frontmost application as text) to get the {id, id of front window}' 2>/dev/null
+  elif (( ${+commands[xprop]} )); then
+    xprop -root _NET_ACTIVE_WINDOW 2>/dev/null | cut -d' ' -f5
+  else
+    echo $EPOCHSECONDS
+  fi
+}
+
+function bgnotify {
+  # $1: title, $2: message
+  if (( ${+commands[terminal-notifier]} )); then # macOS
+    local term_id="${bgnotify_termid%%,*}" # remove window id
+    if [[ -z "$term_id" ]]; then
+      case "$TERM_PROGRAM" in
+      iTerm.app) term_id='com.googlecode.iterm2' ;;
+      Apple_Terminal) term_id='com.apple.terminal' ;;
+      esac
+    fi
+
+    if [[ -z "$term_id" ]]; then
+      terminal-notifier -message "$2" -title "$1" &>/dev/null
+    else
+      terminal-notifier -message "$2" -title "$1" -activate "$term_id" -sender "$term_id" &>/dev/null
+    fi
+  elif (( ${+commands[growlnotify]} )); then # macOS growl
+    growlnotify -m "$1" "$2"
+  elif (( ${+commands[notify-send]} )); then # GNOME
+    notify-send "$1" "$2"
+  elif (( ${+commands[kdialog]} )); then # KDE
+    kdialog --title "$1" --passivepopup  "$2" 5
+  elif (( ${+commands[notifu]} )); then # cygwin
+    notifu /m "$2" /p "$1"
+  fi
+}
+
+## Defaults
+
+# notify if command took longer than 5s by default
+bgnotify_threshold=${bgnotify_threshold:-5}
+
+# bgnotify_appid is slow in macOS and the terminal ID won't change, so cache it at startup
+bgnotify_termid="$(bgnotify_appid)"