40 lines
710 B
Go
40 lines
710 B
Go
package gitmedia
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import (
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"bytes"
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"io"
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"regexp"
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)
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var MediaWarning = []byte("# git-media\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 + "\n"))
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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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lines := bytes.Split(buf[0:written], []byte("\n"))
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matched, err := regexp.Match("# (.*git-media|external)", lines[0])
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if err != nil {
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return "", err
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}
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if matched {
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return string(lines[1]), nil
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}
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return "", nil // error?
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}
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