91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
// Copyright (c) 2013-2017 The btcsuite developers
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// Copyright (c) 2015-2016 The Decred developers
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// Heavily inspired by https://github.com/btcsuite/btcd/blob/master/version.go
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// Copyright (C) 2015-2017 The Lightning Network Developers
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package build
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import (
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"fmt"
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"strings"
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)
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var (
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// Commit stores the current commit of this build, which includes the
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// most recent tag, the number of commits since that tag (if non-zero),
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// the commit hash, and a dirty marker. This should be set using the
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// -ldflags during compilation.
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Commit string
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// CommitHash stores the current commit hash of this build, this should
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// be set using the -ldflags during compilation.
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CommitHash string
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// RawTags contains the raw set of build tags, separated by commas. This
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// should be set using -ldflags during compilation.
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RawTags string
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// GoVersion stores the go version that the executable was compiled
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// with. This hsould be set using -ldflags during compilation.
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GoVersion string
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)
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// semanticAlphabet is the set of characters that are permitted for use in an
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// AppPreRelease.
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const semanticAlphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-."
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// These constants define the application version and follow the semantic
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// versioning 2.0.0 spec (http://semver.org/).
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const (
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// AppMajor defines the major version of this binary.
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AppMajor uint = 0
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// AppMinor defines the minor version of this binary.
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AppMinor uint = 10
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// AppPatch defines the application patch for this binary.
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AppPatch uint = 0
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// AppPreRelease MUST only contain characters from semanticAlphabet
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// per the semantic versioning spec.
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AppPreRelease = "beta.rc4"
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)
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func init() {
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// Assert that AppPreRelease is valid according to the semantic
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// versioning guidelines for pre-release version and build metadata
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// strings. In particular it MUST only contain characters in
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// semanticAlphabet.
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for _, r := range AppPreRelease {
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if !strings.ContainsRune(semanticAlphabet, r) {
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panic(fmt.Errorf("rune: %v is not in the semantic "+
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"alphabet", r))
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}
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}
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}
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// Version returns the application version as a properly formed string per the
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// semantic versioning 2.0.0 spec (http://semver.org/).
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func Version() string {
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// Start with the major, minor, and patch versions.
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version := fmt.Sprintf("%d.%d.%d", AppMajor, AppMinor, AppPatch)
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// Append pre-release version if there is one. The hyphen called for by
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// the semantic versioning spec is automatically appended and should not
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// be contained in the pre-release string.
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if AppPreRelease != "" {
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version = fmt.Sprintf("%s-%s", version, AppPreRelease)
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}
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return version
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}
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// Tags returns the list of build tags that were compiled into the executable.
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func Tags() []string {
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if len(RawTags) == 0 {
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return nil
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}
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return strings.Split(RawTags, ",")
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}
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