39 lines
687 B
Go
39 lines
687 B
Go
package gitmedia
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import (
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"bytes"
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"io"
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)
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var MediaWarning = []byte("# external\n")
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func Encode(writer io.Writer, sha string) (int, error) {
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written, err := writer.Write(MediaWarning)
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if err != nil {
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return written, err
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}
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written2, err := writer.Write([]byte(sha))
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return written + written2, err
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}
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func Decode(reader io.Reader) (string, error) {
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buf := make([]byte, 100)
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written, err := reader.Read(buf)
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if err != nil {
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return "", err
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}
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return lastNonEmpty(bytes.Split(buf[0:written], []byte("\n"))), nil
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}
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func lastNonEmpty(parts [][]byte) string {
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idx := len(parts)
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var part []byte
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for len(part) == 0 {
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idx -= 1
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part = parts[idx]
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}
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return string(part)
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}
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