57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package paths
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import (
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"bytes"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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"github.com/mitchellh/go-homedir"
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"golang.org/x/xerrors"
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)
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func Move(from, to string) error {
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from, err := homedir.Expand(from)
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if err != nil {
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return xerrors.Errorf("move: expanding from: %w", err)
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}
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to, err = homedir.Expand(to)
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if err != nil {
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return xerrors.Errorf("move: expanding to: %w", err)
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}
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if filepath.Base(from) != filepath.Base(to) {
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return xerrors.Errorf("move: base names must match ('%s' != '%s')", filepath.Base(from), filepath.Base(to))
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}
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log.Debugw("move sector data", "from", from, "to", to)
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toDir := filepath.Dir(to)
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// `mv` has decades of experience in moving files quickly; don't pretend we
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// can do better
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var errOut bytes.Buffer
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var cmd *exec.Cmd
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if runtime.GOOS == "darwin" {
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if err := os.MkdirAll(toDir, 0777); err != nil {
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return xerrors.Errorf("failed exec MkdirAll: %s", err)
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}
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cmd = exec.Command("/usr/bin/env", "mv", from, toDir) // nolint
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} else {
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cmd = exec.Command("/usr/bin/env", "mv", "-t", toDir, from) // nolint
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}
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cmd.Stderr = &errOut
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if err := cmd.Run(); err != nil {
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return xerrors.Errorf("exec mv (stderr: %s): %w", strings.TrimSpace(errOut.String()), err)
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}
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return nil
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}
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