//go:build !windows

package runtime

import "syscall"

func workspaceDiskPercent(workspaceRoot string) (float64, error) {
	var stat syscall.Statfs_t
	if err := syscall.Statfs(workspaceRoot, &stat); err != nil {
		return 0, err
	}
	if stat.Blocks == 0 {
		return 0, syscall.EINVAL
	}
	return 100 * float64(stat.Blocks-stat.Bavail) / float64(stat.Blocks), nil
}