mirror of
https://github.com/lightninglabs/lightning-terminal.git
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90 lines
3 KiB
Go
90 lines
3 KiB
Go
package terminal
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// 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) 2015-2022 The Lightning Network Developers
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import (
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"bytes"
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"fmt"
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"strings"
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)
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// Commit stores the current git tag of this build, when the build is based on
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// a tagged commit. If the build is based on an untagged commit or is a dirty
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// build, the Commit field stores the most recent tag suffixed by the commit
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// hash, and/or "-dirty". This should be set using the -ldflags during
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// compilation.
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var Commit string
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// CommitHash stores the current git commit hash of this build. This should be
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// set using the -ldflags during compilation.
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var CommitHash string
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// Dirty stores a "-dirty" string, if the build had uncommitted changes when
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// being built. This should be set using the -ldflags during compilation.
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var Dirty string
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// semanticAlphabet
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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 uint = 0
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appMinor uint = 15
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appPatch uint = 1
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// appPreRelease MUST only contain characters from semanticAlphabet per
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// the semantic versioning spec.
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appPreRelease = "alpha.rc1"
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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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return semanticVersion()
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}
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// RichVersion returns the application version as a properly formed string
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// per the semantic versioning 2.0.0 spec (http://semver.org/), the git tag and
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// commit hash it was built on.
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func RichVersion() string {
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// Append git tag and commit hash of current build to version.
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return fmt.Sprintf(
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"%s commit=%s commit_hash=%s", semanticVersion(), Commit,
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CommitHash,
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)
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}
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// semanticVersion returns the SemVer part of the version.
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func semanticVersion() 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
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// by the semantic versioning spec is automatically appended and should
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// not be contained in the pre-release string. The pre-release version
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// is not appended if it contains invalid characters.
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preRelease := normalizeVerString(appPreRelease)
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if preRelease != "" {
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version = fmt.Sprintf("%s-%s", version, preRelease)
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}
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return version
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}
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// normalizeVerString returns the passed string stripped of all characters
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// which are not valid according to the semantic versioning guidelines for
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// pre-release version and build metadata strings. In particular they MUST
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// only contain characters in semanticAlphabet.
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func normalizeVerString(str string) string {
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var result bytes.Buffer
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for _, r := range str {
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if strings.ContainsRune(semanticAlphabet, r) {
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result.WriteRune(r)
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}
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}
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return result.String()
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}
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