mirror of
https://github.com/minio/mc.git
synced 2025-11-12 01:02:26 +03:00
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
/*
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* Minio Client (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"crypto/md5"
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"fmt"
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"io"
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"os"
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"os/exec"
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)
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// hashBinary computes MD5SUM of a binary file on disk
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func hashBinary(progName string) (string, error) {
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path, err := exec.LookPath(progName)
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if err != nil {
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return "", err
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}
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m := md5.New()
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file, err := os.Open(path) // For read access.
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if err != nil {
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return "", err
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}
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io.Copy(m, file)
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return fmt.Sprintf("%x", m.Sum(nil)), nil
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}
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// mustHashBinarySelf masks any error returned by hashBinary
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func mustHashBinarySelf() string {
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hash, _ := hashBinary(os.Args[0])
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return hash
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}
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