Vincent Batts
8074df1973
when creating a manifest from, or validating, a stream like a tar archive, it requires thinking about some of the functions differently than walking a directory tree. This is the beginning of allowing for such features. Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
26 lines
524 B
Go
26 lines
524 B
Go
package mtree
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import (
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"io"
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"sort"
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)
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// DirectoryHierarchy is the mapped structure for an mtree directory hierarchy
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// spec
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type DirectoryHierarchy struct {
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Entries []Entry
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}
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// WriteTo simplifies the output of the resulting hierarchy spec
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func (dh DirectoryHierarchy) WriteTo(w io.Writer) (n int64, err error) {
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sort.Sort(byPos(dh.Entries))
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var sum int64
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for _, e := range dh.Entries {
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i, err := io.WriteString(w, e.String()+"\n")
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if err != nil {
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return sum, err
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}
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sum += int64(i)
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}
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return sum, nil
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}
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