lnd.xprv/build/version.go
2021-01-26 17:31:07 -08:00

91 lines
2.8 KiB
Go

// Copyright (c) 2013-2017 The btcsuite developers
// Copyright (c) 2015-2016 The Decred developers
// Heavily inspired by https://github.com/btcsuite/btcd/blob/master/version.go
// Copyright (C) 2015-2017 The Lightning Network Developers
package build
import (
"fmt"
"strings"
)
var (
// Commit stores the current commit of this build, which includes the
// most recent tag, the number of commits since that tag (if non-zero),
// the commit hash, and a dirty marker. This should be set using the
// -ldflags during compilation.
Commit string
// CommitHash stores the current commit hash of this build, this should
// be set using the -ldflags during compilation.
CommitHash string
// RawTags contains the raw set of build tags, separated by commas. This
// should be set using -ldflags during compilation.
RawTags string
// GoVersion stores the go version that the executable was compiled
// with. This hsould be set using -ldflags during compilation.
GoVersion string
)
// semanticAlphabet is the set of characters that are permitted for use in an
// AppPreRelease.
const semanticAlphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-."
// These constants define the application version and follow the semantic
// versioning 2.0.0 spec (http://semver.org/).
const (
// AppMajor defines the major version of this binary.
AppMajor uint = 0
// AppMinor defines the minor version of this binary.
AppMinor uint = 12
// AppPatch defines the application patch for this binary.
AppPatch uint = 0
// AppPreRelease MUST only contain characters from semanticAlphabet
// per the semantic versioning spec.
AppPreRelease = "beta"
)
func init() {
// Assert that AppPreRelease is valid according to the semantic
// versioning guidelines for pre-release version and build metadata
// strings. In particular it MUST only contain characters in
// semanticAlphabet.
for _, r := range AppPreRelease {
if !strings.ContainsRune(semanticAlphabet, r) {
panic(fmt.Errorf("rune: %v is not in the semantic "+
"alphabet", r))
}
}
}
// Version returns the application version as a properly formed string per the
// semantic versioning 2.0.0 spec (http://semver.org/).
func Version() string {
// Start with the major, minor, and patch versions.
version := fmt.Sprintf("%d.%d.%d", AppMajor, AppMinor, AppPatch)
// Append pre-release version if there is one. The hyphen called for by
// the semantic versioning spec is automatically appended and should not
// be contained in the pre-release string.
if AppPreRelease != "" {
version = fmt.Sprintf("%s-%s", version, AppPreRelease)
}
return version
}
// Tags returns the list of build tags that were compiled into the executable.
func Tags() []string {
if len(RawTags) == 0 {
return nil
}
return strings.Split(RawTags, ",")
}