packer-cn/version/version.go

51 lines
1.3 KiB
Go

package version
import (
"bytes"
"fmt"
"github.com/hashicorp/go-version"
)
// The git commit that was compiled. This will be filled in by the compiler.
var GitCommit string
// The main version number that is being run at the moment.
const Version = "1.6.6"
// A pre-release marker for the version. If this is "" (empty string)
// then it means that it is a final release. Otherwise, this is a pre-release
// such as "dev" (in development), "beta", "rc1", etc.
const VersionPrerelease = "dev"
func FormattedVersion() string {
var versionString bytes.Buffer
fmt.Fprintf(&versionString, "%s", Version)
if VersionPrerelease != "" {
fmt.Fprintf(&versionString, "-%s", VersionPrerelease)
if GitCommit != "" {
fmt.Fprintf(&versionString, " (%s)", GitCommit)
}
}
return versionString.String()
}
// SemVer is an instance of version.Version. This has the secondary
// benefit of verifying during tests and init time that our version is a
// proper semantic version, which should always be the case.
var SemVer *version.Version
func init() {
SemVer = version.Must(version.NewVersion(Version))
}
// String returns the complete version string, including prerelease
func String() string {
if VersionPrerelease != "" {
return fmt.Sprintf("%s-%s", Version, VersionPrerelease)
}
return Version
}