~/.zshrc,.bin/since.go: Notify when long-running programs finish

.bin/since.go

import (
	"fmt"
	"os"
	"os/exec"
	"strings"
	"time"
)
// commandBlacklist is used to filter out some commands from
// notifications for long-running commands.
var commandBlacklist = []string{
	"fg",
	"git commit",
	"less",
	"vim",
}
func main() {
	last := os.Args[1]
	cmdName := os.Args[2]
	t, err := time.Parse(time.RFC3339Nano, last)
	if err != nil {
		return
	}
	fmt.Printf("(%s) ", time.Since(t))
	dur := time.Since(t)
	if dur > 10*time.Second && !containsOneOf(cmdName, commandBlacklist) {
		// notify window manager (bell character, some window managers/terminals mark when it appears)
		fmt.Printf("\a")
		// send notification for long-running commands
		cmd := exec.Command("notify-send", fmt.Sprintf("%q done", cmdName), fmt.Sprintf("took %s", dur))
		cmd.Start()
	}
	fmt.Printf("(%s) ", dur)
}
func containsOneOf(s string, contains []string) bool {
	for _, ss := range contains {
		if strings.Contains(s, ss) {
			return true
		}
	}
	return false
}

.zshrc

	echo -ne "\033]0;\007"
	user="%{$fg[red]%}%n%{$reset_color%}"
	dir="%{$fg[cyan]%}%~%{$reset_color%}"
	duration=$(since "$__last_cmd_time")
	duration=$(since "$__last_cmd_time" "$history[$(($HISTCMD-1))]")
	# store last cmd in psvar[1] (magically avoids escaping problems?)
	psvar[1]="$history[$(($HISTCMD-1))]"
	if [ -n "$SSH_CONNECTION" ]; then