mirror of
https://github.com/gonum/gonum.git
synced 2025-10-31 10:36:30 +08:00
47 lines
1.4 KiB
Go
47 lines
1.4 KiB
Go
// Copyright ©2019 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package gonum
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import (
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"fmt"
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"runtime/debug"
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)
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const root = "gonum.org/v1/gonum"
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// Version returns the version of Gonum and its checksum. The returned
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// values are only valid in binaries built with module support.
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//
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// If a replace directive exists in the Gonum go.mod, the replace will
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// be reported in the version in the following format:
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// "version=>[replace-path] [replace-version]"
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// and the replace sum will be returned in place of the original sum.
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//
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// The exact version format returned by Version may change in future.
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func Version() (version, sum string) {
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b, ok := debug.ReadBuildInfo()
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if !ok {
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return "", ""
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}
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for _, m := range b.Deps {
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if m.Path == root {
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if m.Replace != nil {
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switch {
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case m.Replace.Version != "" && m.Replace.Path != "":
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return fmt.Sprintf("%s=>%s %s", m.Version, m.Replace.Path, m.Replace.Version), m.Replace.Sum
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case m.Replace.Version != "":
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return fmt.Sprintf("%s=>%s", m.Version, m.Replace.Version), m.Replace.Sum
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case m.Replace.Path != "":
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return fmt.Sprintf("%s=>%s", m.Version, m.Replace.Path), m.Replace.Sum
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default:
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return m.Version + "*", m.Sum + "*"
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}
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}
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return m.Version, m.Sum
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}
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}
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return "", ""
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}
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