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// Copyright 2016 the Go-FUSE Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unionfs
import (
"os"
"github.com/hanwen/go-fuse/fuse/pathfs"
)
func NewUnionFsFromRoots(roots []string, opts *UnionFsOptions, roCaching bool) (pathfs.FileSystem, error) {
fses := make([]pathfs.FileSystem, 0)
for i, r := range roots {
var fs pathfs.FileSystem
fi, err := os.Stat(r)
if err != nil {
return nil, err
}
if fi.IsDir() {
fs = pathfs.NewLoopbackFileSystem(r)
}
if fs == nil {
return nil, err
}
if i > 0 && roCaching {
fs = NewCachingFileSystem(fs, 0)
}
fses = append(fses, fs)
}
return NewUnionFs(fses, *opts)
}
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