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fix: restore ScopedFs RealPath (#5986)

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yfzhou 2026-06-13 13:17:48 +08:00 • committed by GitHub
parent dfe6e5b333
commit 403d2bbd33
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2 changed files with 21 additions and 0 deletions
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14
files/file_test.go
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@ -212,3 +212,17 @@ func TestReadListingSkipsInaccessibleChildren(t *testing.T) {
t.Fatalf("expected one listed directory, got %d", got)
}
}
func TestFileInfoRealPathUsesScopedFsRealPath(t *testing.T) {
root := t.TempDir()
file := &FileInfo{
Fs: NewScopedFs(afero.NewOsFs(), root),
Path: "/root/downloads",
}
got := file.RealPath()
want := filepath.Join(root, "root", "downloads")
if got != want {
t.Fatalf("got %q, want %q", got, want)
}
}

7
files/scoped.go
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@ -35,6 +35,13 @@ func NewScopedFs(source afero.Fs, path string) *ScopedFs {
// Base returns the underlying *afero.BasePathFs.
func (s *ScopedFs) Base() *afero.BasePathFs { return s.base }
// RealPath resolves a scoped path to the real on-disk path by delegating to
// the underlying BasePathFs. This is needed by callers that need the actual
// filesystem path (e.g. disk.UsageWithContext).
func (s *ScopedFs) RealPath(name string) (string, error) {
return s.base.RealPath(name)
}
// guard returns an error if name's on-disk target resolves outside the scope.
func (s *ScopedFs) guard(name string) error {
ok, err := s.within(name)