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small gleam coding and persistent agent daemon with a detachable cli and a canvas ui forked from okami.mom/albedo
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import ( "fmt" "io" "log" "os" "unicode")
// LogToFile sets up default logging to log to a file. This is helpful as we// can't print to the terminal since our TUI is occupying it. If the file// doesn't exist it will be created.//// Don't forget to close the file when you're done with it.//// f, err := LogToFile("debug.log", "debug")// if err != nil {// fmt.Println("fatal:", err)// os.Exit(1)// }// defer f.Close()func LogToFile(path string, prefix string) (*os.File, error) { return LogToFileWith(path, prefix, log.Default())}
// LogOptionsSetter is an interface implemented by stdlib's log and charm's log// libraries.type LogOptionsSetter interface { SetOutput(io.Writer) SetPrefix(string)}
// LogToFileWith does allows to call LogToFile with a custom LogOptionsSetter.func LogToFileWith(path string, prefix string, log LogOptionsSetter) (*os.File, error) { f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0o600) //nolint:mnd if err != nil { return nil, fmt.Errorf("error opening file for logging: %w", err) } log.SetOutput(f)
// Add a space after the prefix if a prefix is being specified and it // doesn't already have a trailing space. if len(prefix) > 0 { finalChar := prefix[len(prefix)-1] if !unicode.IsSpace(rune(finalChar)) { prefix += " " } } log.SetPrefix(prefix)
return f, nil}