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// 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 (
"errors"
"regexp"
"strings"
)
// syncthing v1.1.4-rc.1+30-g6aaae618-dirty-crashrep "Erbium Earthworm" (go1.12.5 darwin-amd64) jb@kvin.kastelo.net 2019-05-23 16:08:14 UTC [foo, bar]
// or, somewhere along the way the "+" in the version tag disappeared:
// syncthing v1.23.7-dev.26.gdf7b56ae.dirty-stversionextra "Fermium Flea" (go1.20.5 darwin-arm64) jb@ok.kastelo.net 2023-07-12 06:55:26 UTC [Some Wrapper, purego, stnoupgrade]
var (
longVersionRE = regexp.MustCompile(`syncthing\s+(v[^\s]+)\s+"([^"]+)"\s\(([^\s]+)\s+([^-]+)-([^)]+)\)\s+([^\s]+)[^\[]*(?:\[(.+)\])?$`)
gitExtraRE = regexp.MustCompile(`\.\d+\.g[0-9a-f]+`) // ".1.g6aaae618"
gitExtraSepRE = regexp.MustCompile(`[.-]`) // dot or dash
)
type VersionParts struct {
Version string // "v1.1.4-rc.1+30-g6aaae618-dirty-crashrep"
Tag string // "v1.1.4-rc.1"
Commit string // "6aaae618", blank when absent
Codename string // "Erbium Earthworm"
Runtime string // "go1.12.5"
GOOS string // "darwin"
GOARCH string // "amd64"
Builder string // "jb@kvin.kastelo.net"
Extra []string // "foo", "bar"
}
func (v VersionParts) Environment() string {
if v.Commit != "" {
return "Development"
}
if strings.Contains(v.Tag, "-rc.") {
return "Candidate"
}
if strings.Contains(v.Tag, "-") {
return "Beta"
}
return "Stable"
}
func ParseVersion(line string) (VersionParts, error) {
m := longVersionRE.FindStringSubmatch(line)
if len(m) == 0 {
return VersionParts{}, errors.New("unintelligeble version string")
}
v := VersionParts{
Version: m[1],
Codename: m[2],
Runtime: m[3],
GOOS: m[4],
GOARCH: m[5],
Builder: m[6],
}
// Split the version tag into tag and commit. This is old style
// v1.2.3-something.4+11-g12345678 or newer with just dots
// v1.2.3-something.4.11.g12345678 or v1.2.3-dev.11.g12345678.
parts := []string{v.Version}
if strings.Contains(v.Version, "+") {
parts = strings.Split(v.Version, "+")
} else {
idxs := gitExtraRE.FindStringIndex(v.Version)
if len(idxs) > 0 {
parts = []string{v.Version[:idxs[0]], v.Version[idxs[0]+1:]}
}
}
v.Tag = parts[0]
if len(parts) > 1 {
fields := gitExtraSepRE.Split(parts[1], -1)
if len(fields) >= 2 && strings.HasPrefix(fields[1], "g") {
v.Commit = fields[1][1:]
}
}
if len(m) >= 8 && m[7] != "" {
tags := strings.Split(m[7], ",")
for i := range tags {
tags[i] = strings.TrimSpace(tags[i])
}
v.Extra = tags
}
return v, nil
}
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