mirror of
https://github.com/hanzo-ds/native.git
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zeekay
765c3d0aa1
Module path, package names, and identifiers de-branded to native/proto/compress/ pool/tracing. Server wire-protocol strings preserved. Vendored codec surface used by hanzo-ds/go (proto + compress).
70 lines
1.2 KiB
Go
70 lines
1.2 KiB
Go
// Package version resolves current module version.
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package version
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import (
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"runtime/debug"
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"strings"
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"sync"
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"github.com/hashicorp/go-version"
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)
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var once struct {
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version Value
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sync.Once
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}
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// Value describes client module version
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type Value struct {
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Major int
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Minor int
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Patch int
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Name string
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Raw string
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}
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// Extract version Value from BuildInfo.
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func Extract(info *debug.BuildInfo) Value {
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var raw string
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const pkg = "github.com/hanzo-ds/native"
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if strings.HasPrefix(info.Main.Path, pkg) {
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raw = info.Main.Version
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}
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for _, d := range info.Deps {
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if strings.HasPrefix(d.Path, pkg) {
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raw = d.Version
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break
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}
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}
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if v, err := version.NewVersion(raw); err == nil {
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ver := Value{
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Name: v.Prerelease(), // "alpha", "beta.1"
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Raw: raw,
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}
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if s := v.Segments(); len(s) > 2 {
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ver.Major, ver.Minor, ver.Patch = s[0], s[1], s[2]
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}
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return ver
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}
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return Value{
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// Zero-versioned dev version.
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Name: "dev",
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Raw: "0.0.1-dev",
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}
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}
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// Get optimistically gets current module version.
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//
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// Does not handle replace directives.
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func Get() Value {
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once.Do(func() {
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info, ok := debug.ReadBuildInfo()
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if !ok {
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return
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}
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once.version = Extract(info)
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})
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return once.version
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}
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