35 lines
564 B
Go
35 lines
564 B
Go
// Copyright (C) 2017 ScyllaDB
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// Use of this source code is governed by a ALv2-style
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// license that can be found in the LICENSE file.
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package migrate
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import (
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"crypto/md5"
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"encoding/hex"
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"io"
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"os"
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)
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var encode = hex.EncodeToString
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func checksum(b []byte) string {
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v := md5.Sum(b)
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return encode(v[:])
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}
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func fileChecksum(path string) (string, error) {
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f, err := os.Open(path)
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if err != nil {
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return "", nil
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}
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defer f.Close()
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h := md5.New()
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if _, err := io.Copy(h, f); err != nil {
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return "", err
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}
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v := h.Sum(nil)
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return encode(v), nil
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}
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