proc.go

package ppow

import (
	"strings"

	"github.com/dottedmag/termlog"
)

// shortCommand shortens a command to a name we can use in a notification
// header.
func shortCommand(command string) string {
	ret := command
	parts := strings.Split(command, "\n")
	for _, i := range parts {
		i = strings.TrimLeft(i, " \t#")
		i = strings.TrimRight(i, " \t\\")
		if i != "" {
			ret = i
			break
		}
	}
	return ret
}

// niceHeader tries to produce a nicer process name. We condense whitespace to
// make commands split over multiple lines with indentation more legible, and
// limit the line length to 80 characters.
func niceHeader(preamble string, command string) string {
	pre := termlog.DefaultPalette.Timestamp.SprintFunc()(preamble)
	command = termlog.DefaultPalette.Header.SprintFunc()(shortCommand(command))
	return pre + command
}