blob: d88328188910c63e11fa3787038b2da12b88b5db (
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package resolve
import "io/fs"
func (treeFS *TreeFS) Sub(dir string) (fs.FS, error) {
entry, err := treeFS.resolvePath(treeFSOpSub, dir)
if err != nil {
return nil, err
}
treeID, err := entry.subtreeID()
if err != nil {
return nil, treeFSPathError(treeFSOpSub, dir, fs.ErrInvalid)
}
return &TreeFS{
resolver: treeFS.resolver,
rootTree: treeID,
rootEntry: entry.treeEntry,
}, nil
}
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