package stores import ( "bytes" "os/exec" "path/filepath" "strings" "github.com/mitchellh/go-homedir" "golang.org/x/xerrors" ) func move(from, to string) error { from, err := homedir.Expand(from) if err != nil { return xerrors.Errorf("move: expanding from: %w", err) } to, err = homedir.Expand(to) if err != nil { return xerrors.Errorf("move: expanding to: %w", err) } if filepath.Base(from) != filepath.Base(to) { return xerrors.Errorf("move: base names must match ('%s' != '%s')", filepath.Base(from), filepath.Base(to)) } log.Debugw("move sector data", "from", from, "to", to) toDir := filepath.Dir(to) // `mv` has decades of experience in moving files quickly; don't pretend we // can do better var errOut bytes.Buffer cmd := exec.Command("/usr/bin/env", "mv", "-t", toDir, from) cmd.Stderr = &errOut if err := cmd.Run(); err != nil { return xerrors.Errorf("exec mv (stderr: %s): %w", strings.TrimSpace(errOut.String()), err) } return nil }