Carlos Florêncio
57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
//go:build !windows
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package worktree
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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func createPlatformDirectoryLink(target, link string) error { return os.Symlink(target, link) }
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func isPlatformDirectoryLink(info os.FileInfo, _ string) bool { return info.Mode()&os.ModeSymlink != 0 }
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func platformDirectoryLinkTarget(path string) (string, error) { return os.Readlink(path) }
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func replacePlatformDirectoryLink(link string, inspected os.FileInfo, target, _ string) error {
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tmp, err := os.CreateTemp(filepath.Dir(link), filepath.Base(link)+".tmp-*")
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if err != nil {
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return fmt.Errorf("stage directory link replacement: %w", err)
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}
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tmpPath := tmp.Name()
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if err := tmp.Close(); err != nil {
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_ = os.Remove(tmpPath)
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return fmt.Errorf("stage directory link replacement: %w", err)
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}
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if err := os.Remove(tmpPath); err != nil {
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return fmt.Errorf("stage directory link replacement: %w", err)
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}
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if err := createPlatformDirectoryLink(target, tmpPath); err != nil {
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_ = os.Remove(tmpPath)
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return fmt.Errorf("create directory link: %w", err)
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}
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if err := renameInspectedDirectoryLink(tmpPath, link, inspected); err != nil {
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_ = os.Remove(tmpPath)
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return err
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}
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return nil
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}
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func requirePlatformDirectoryLink(path string) error {
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info, err := os.Lstat(path)
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if err != nil {
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return err
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}
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if !isPlatformDirectoryLink(info, path) {
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return os.ErrInvalid
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}
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return nil
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}
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func removeInspectedDirectoryLink(link string, inspected os.FileInfo) error {
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if err := revalidateInspectedDirectoryLink(link, inspected); err != nil {
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return err
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}
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if err := os.Remove(link); err != nil {
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return fmt.Errorf("remove owned link: %w", err)
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}
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return nil
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}
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