zs/version.go

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package main
import (
"fmt"
"runtime/debug"
"strings"
)
const (
defaultVersion = "0.0.0"
defaultCommit = "HEAD"
defaultBuild = "0000-01-01:00:00+00:00"
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)
var (
// Version is the tagged release version in the form <major>.<minor>.<patch>
// following semantic versioning and is overwritten by the build system.
Version = defaultVersion
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// Commit is the commit sha of the build (normally from Git) and is overwritten
// by the build system.
Commit = defaultCommit
// Build is the date and time of the build as an RFC3339 formatted string
// and is overwritten by the build system.
Build = defaultBuild
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)
// FullVersion display the full version and build
func FullVersion() string {
var sb strings.Builder
isDefault := Version == defaultVersion && Commit == defaultCommit && Build == defaultBuild
if !isDefault {
sb.WriteString(fmt.Sprintf("%s@%s %s", Version, Commit, Build))
}
if info, ok := debug.ReadBuildInfo(); ok {
if isDefault {
sb.WriteString(fmt.Sprintf(" %s", info.Main.Version))
}
sb.WriteString(fmt.Sprintf(" %s", info.GoVersion))
if info.Main.Sum != "" {
sb.WriteString(fmt.Sprintf(" %s", info.Main.Sum))
}
}
return sb.String()
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}