mirror of
https://github.com/octoleo/syncthing.git
synced 2024-12-22 19:08:58 +00:00
128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
// Copyright (C) 2019 The Syncthing Authors.
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
// You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
|
|
package build
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"regexp"
|
|
"runtime"
|
|
"sort"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
const Codename = "Gold Grasshopper"
|
|
|
|
var (
|
|
// Injected by build script
|
|
Version = "unknown-dev"
|
|
Host = "unknown"
|
|
User = "unknown"
|
|
Stamp = "0"
|
|
Tags = ""
|
|
|
|
// Set by init()
|
|
Date time.Time
|
|
IsRelease bool
|
|
IsCandidate bool
|
|
IsBeta bool
|
|
LongVersion string
|
|
Extra string
|
|
|
|
allowedVersionExp = regexp.MustCompile(`^v\d+\.\d+\.\d+(-[a-z0-9]+)*(\.\d+)*(\+\d+-g[0-9a-f]+|\+[0-9a-z]+)?(-[^\s]+)?$`)
|
|
|
|
envTags = []string{
|
|
"STGUIASSETS",
|
|
"STHASHING",
|
|
"STNORESTART",
|
|
"STNOUPGRADE",
|
|
}
|
|
)
|
|
|
|
const versionExtraAllowedChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-. "
|
|
|
|
func init() {
|
|
if Version != "unknown-dev" {
|
|
// If not a generic dev build, version string should come from git describe
|
|
if !allowedVersionExp.MatchString(Version) {
|
|
log.Fatalf("Invalid version string %q;\n\tdoes not match regexp %v", Version, allowedVersionExp)
|
|
}
|
|
}
|
|
setBuildData()
|
|
}
|
|
|
|
func setBuildData() {
|
|
// Check for a clean release build. A release is something like
|
|
// "v0.1.2", with an optional suffix of letters and dot separated
|
|
// numbers like "-beta3.47". If there's more stuff, like a plus sign and
|
|
// a commit hash and so on, then it's not a release. If it has a dash in
|
|
// it, it's some sort of beta, release candidate or special build. If it
|
|
// has "-rc." in it, like "v0.14.35-rc.42", then it's a candidate build.
|
|
//
|
|
// So, every build that is not a stable release build has IsBeta = true.
|
|
// This is used to enable some extra debugging (the deadlock detector).
|
|
//
|
|
// Release candidate builds are also "betas" from this point of view and
|
|
// will have that debugging enabled. In addition, some features are
|
|
// forced for release candidates - auto upgrade, and usage reporting.
|
|
|
|
exp := regexp.MustCompile(`^v\d+\.\d+\.\d+(-[a-z]+[\d\.]+)?$`)
|
|
IsRelease = exp.MatchString(Version)
|
|
IsCandidate = strings.Contains(Version, "-rc.")
|
|
IsBeta = strings.Contains(Version, "-")
|
|
Extra = filterString(os.Getenv("STVERSIONEXTRA"), versionExtraAllowedChars)
|
|
|
|
stamp, _ := strconv.Atoi(Stamp)
|
|
Date = time.Unix(int64(stamp), 0)
|
|
LongVersion = LongVersionFor("syncthing")
|
|
}
|
|
|
|
// LongVersionFor returns the long version string for the given program name.
|
|
func LongVersionFor(program string) string {
|
|
// This string and date format is essentially part of our external API. Never change it.
|
|
date := Date.UTC().Format("2006-01-02 15:04:05 MST")
|
|
v := fmt.Sprintf(`%s %s "%s" (%s %s-%s) %s@%s %s`, program, Version, Codename, runtime.Version(), runtime.GOOS, runtime.GOARCH, User, Host, date)
|
|
|
|
if tags := TagsList(); len(tags) > 0 {
|
|
v = fmt.Sprintf("%s [%s]", v, strings.Join(tags, ", "))
|
|
}
|
|
return v
|
|
}
|
|
|
|
func TagsList() []string {
|
|
tags := strings.Split(Tags, ",")
|
|
if len(tags) == 1 && tags[0] == "" {
|
|
tags = tags[:0]
|
|
}
|
|
for _, envVar := range envTags {
|
|
if os.Getenv(envVar) != "" {
|
|
tags = append(tags, strings.ToLower(envVar))
|
|
}
|
|
}
|
|
if Extra != "" {
|
|
tags = append(tags, Extra)
|
|
}
|
|
|
|
sort.Strings(tags)
|
|
return tags
|
|
}
|
|
|
|
// filterString returns a copy of s with all characters not in allowedChars
|
|
// removed.
|
|
func filterString(s, allowedChars string) string {
|
|
var res strings.Builder
|
|
for _, c := range s {
|
|
if strings.ContainsRune(allowedChars, c) {
|
|
res.WriteRune(c)
|
|
}
|
|
}
|
|
return res.String()
|
|
}
|