refactor(cli): rename operator command to tht

tools/tht/internal/pi/durable_unix.go

@@ -0,0 +1,35 @@
+//go:build !windows
+
+package pi
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+)
+
+// durableReplace acknowledges both the data file and its directory entry. A successful return
+// is the strongest atomic replacement guarantee supported by Unix filesystems.
+func durableReplace(temporary, target, directory string) error {
+	if err := os.Rename(temporary, target); err != nil {
+		return err
+	}
+	dir, err := os.Open(directory)
+	if err != nil {
+		return err
+	}
+	defer dir.Close()
+	return dir.Sync()
+}
+
+func durableRemove(path string) error {
+	if err := os.Remove(path); err != nil && !errors.Is(err, os.ErrNotExist) {
+		return err
+	}
+	dir, err := os.Open(filepath.Dir(path))
+	if err != nil {
+		return err
+	}
+	defer dir.Close()
+	return dir.Sync()
+}