Method logRunFunc

nix/command.go:282–299

logRunFunc logs the start and exit of c.execCmd. It adjusts the source attribute of the log record to point to the caller of c.CombinedOutput, c.Output, or c.Run. This assumes a specific stack depth, so do not call logRunFunc from other methods or functions.

(ctx context.Context)

// c.Output, or c.Run. This assumes a specific stack depth, so do not call
// logRunFunc from other methods or functions.
func (c *Cmd) logRunFunc(ctx context.Context) func() {
	logger := c.logger()
	if !logger.Enabled(ctx, slog.LevelDebug) {
		return func() {}
	}

	var pcs [1]uintptr
	runtime.Callers(3, pcs[:]) // skip Callers, logRunFunc, CombinedOutput/Output/Run
	r := slog.NewRecord(time.Now(), slog.LevelDebug, "nix command starting", pcs[0])
	r.Add("cmd", c)
	_ = logger.Handler().Handle(ctx, r)

	return func() {
		r := slog.NewRecord(time.Now(), slog.LevelDebug, "nix command exited", pcs[0])
		r.Add("cmd", c)
		_ = logger.Handler().Handle(ctx, r)
	}
}

// Args is a slice of [Cmd] arguments.
type Args []any