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version.go
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version.go
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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package params
import (
"fmt"
)
// On master, the version should be the UPCOMING one and "unstable"
// e.g. if the latest release was v1.3.2, master should be 1.4.0-unstable
// On release branches, it should be a beta or stable. For example:
// "1.3.0-beta", "1.3.0-beta.2", etc. and then "1.3.0-stable", "1.3.1-stable", etc.
const (
VersionMajor = 1 // Major version component of the current release
VersionMinor = 4 // Minor version component of the current release
VersionPatch = 0 // Patch version component of the current release
VersionMeta = "unstable" // Version metadata to append to the version string
)
type VersionInfo struct {
Major uint64
Minor uint64
Patch uint64
}
// Cmp compares x and y and returns:
//
// -1 if x < y
// 0 if x == y
// +1 if x > y
//
func cmp(x uint64, y uint64) int {
if x < y {
return -1
}
if x > y {
return 1
}
return 0
}
func (v *VersionInfo) Cmp(version *VersionInfo) int {
if v.Major == version.Major {
if v.Minor == version.Minor {
return cmp(v.Patch, version.Patch)
}
return cmp(v.Minor, version.Minor)
}
return cmp(v.Major, version.Major)
}
// Version holds the textual version string.
var Version = func() string {
return fmt.Sprintf("%d.%d.%d", VersionMajor, VersionMinor, VersionPatch)
}()
var CurrentVersionInfo = func() *VersionInfo {
return &VersionInfo{VersionMajor, VersionMinor, VersionPatch}
}()
// VersionWithMeta holds the textual version string including the metadata.
var VersionWithMeta = func() string {
v := Version
if VersionMeta != "" {
v += "-" + VersionMeta
}
return v
}()
// ArchiveVersion holds the textual version string used for Geth archives.
// e.g. "1.8.11-dea1ce05" for stable releases, or
// "1.8.13-unstable-21c059b6" for unstable releases
func ArchiveVersion(gitCommit string) string {
vsn := Version
if VersionMeta != "stable" {
vsn += "-" + VersionMeta
}
if len(gitCommit) >= 8 {
vsn += "-" + gitCommit[:8]
}
return vsn
}
func VersionWithCommit(gitCommit, gitDate string) string {
vsn := VersionWithMeta
if len(gitCommit) >= 8 {
vsn += "-" + gitCommit[:8]
}
if (VersionMeta != "stable") && (gitDate != "") {
vsn += "-" + gitDate
}
return vsn
}