/
version.go
255 lines (219 loc) · 5.27 KB
/
version.go
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package app
import (
"errors"
"fmt"
"regexp"
"strconv"
)
// TODO: combines these strings
const JUST_VERSION = `(?P<major>\d+)(\.(?P<minor>\d+))(\.(?P<patch>\d+))?([\.\-\+](?P<release>[a-z]+)([\.-]?(?P<build>\d+))?)?`
const VERSION_REGEX = `(version|VERSION|Version)[^ :=]* ?[:=]? ? ["']?(?P<major>\d+)(\.(?P<minor>\d+))(\.(?P<patch>\d+))?([\.\-\+](?P<release>[a-z]+)([\.-]?(?P<build>\d+))?)?["']?`
var RELEASE = []string{"dev", "alpha", "beta", "rc"}
var RELEASES = map[string]string{"dev": "d", "alpha": "a", "beta": "b", "rc": "rc", "d": "dev", "a": "alpha", "b": "beta"}
var SHORT = map[string]string{"dev": "d", "alpha": "a", "beta": "b", "rc": "rc", "d": "d", "a": "a", "b": "b"}
var LONG = map[string]string{"dev": "dev", "alpha": "alpha", "beta": "beta", "rc": "rc", "d": "dev", "a": "alpha", "b": "beta"}
var PARTS = [6]string{"major", "minor", "patch", "release", "prod", "build"}
type VersionFinder struct {
rx regexp.Regexp
}
func (vf *VersionFinder) parseRegexResults(match []string) []string {
return []string{
match[2], // major
match[4], // minor
match[6], // patch
match[8], // release
match[10], // build
}
}
func (vf *VersionFinder) Find(line string) (Version, bool) {
match := vf.rx.FindStringSubmatch(line)
if match != nil {
return *NewVersion(vf.parseRegexResults(match)), true
}
return Version{
major: "",
minor: "",
patch: "",
release: "",
build: "",
}, false
}
func NewVersionFinder() *VersionFinder {
_rx, _ := regexp.Compile(VERSION_REGEX)
vf := VersionFinder{
rx: *_rx,
}
return &vf
}
func nextRelease(currentRelease string) string {
index := IndexOf[string](&RELEASE, currentRelease)
index += 1
if index+1 > len(RELEASE) {
return ""
}
return RELEASE[index]
}
func validateReleaseOrder(currentRelease string, requestedRelease string) error {
currentIndex := IndexOf[string](&RELEASE, currentRelease)
requestedIndex := IndexOf[string](&RELEASE, requestedRelease)
if requestedIndex < currentIndex {
msg := fmt.Sprintf("Invalid release order requested. `%s` comes before the current release `%s`.", requestedRelease, currentRelease)
return errors.New(msg)
}
return nil
}
type Version struct {
major string
minor string
patch string
release string
build string
}
func (v *Version) copy() Version {
nv := Version{
major: v.major,
minor: v.minor,
patch: v.patch,
release: v.release,
build: v.build,
}
return nv
}
func (v *Version) format(fmtString string) string {
f := NewVersionFormater(fmtString)
return f.format(v)
}
func (v *Version) toString() string {
return v.format("000-A.0")
}
func (v *Version) bumpMajor() Version {
major, err := strconv.Atoi(v.major)
check(err)
major = major + 1
nv := Version{
major: strconv.Itoa(major),
minor: "0",
patch: "0",
release: "",
build: "0",
}
return nv
}
func (v *Version) bumpMinor() Version {
minor, err := strconv.Atoi(v.minor)
check(err)
minor = minor + 1
nv := Version{
major: v.major,
minor: strconv.Itoa(minor),
patch: "0",
release: "",
build: "0",
}
return nv
}
func (v *Version) bumpPatch() Version {
patch, err := strconv.Atoi(v.patch)
check(err)
patch = patch + 1
nv := Version{
major: v.major,
minor: v.minor,
patch: strconv.Itoa(patch),
release: "",
build: "0",
}
return nv
}
func (v *Version) setPreRelease(release string) Version {
err := validateReleaseOrder(v.release, release)
ExitOnError(err)
nv := v.copy()
if nv.release != release {
nv.release = release
nv.build = "0"
}
return nv
}
func (v *Version) bumpRelease() Version {
release := nextRelease(v.release)
nv := Version{
major: v.major,
minor: v.minor,
patch: v.patch,
release: release,
build: "0",
}
return nv
}
func (v *Version) bumpReleaseToProd() Version {
nv := Version{
major: v.major,
minor: v.minor,
patch: v.patch,
release: "",
build: "0",
}
return nv
}
func (v *Version) bumpBuild() Version {
build, err := strconv.Atoi(v.build)
check(err)
build = build + 1
nv := Version{
major: v.major,
minor: v.minor,
patch: v.patch,
release: v.release,
build: strconv.Itoa(build),
}
return nv
}
func (v *Version) bump(part string, preRelease string) Version {
newVers := v.copy()
switch part {
case "major":
newVers = newVers.bumpMajor()
case "minor":
newVers = newVers.bumpMinor()
case "patch":
newVers = newVers.bumpPatch()
}
switch preRelease {
case "pre-release":
newVers = newVers.bumpRelease()
case "dev":
newVers = newVers.setPreRelease(preRelease)
case "alpha":
newVers = newVers.setPreRelease(preRelease)
case "beta":
newVers = newVers.setPreRelease(preRelease)
case "rc":
newVers = newVers.setPreRelease(preRelease)
case "release":
newVers = newVers.bumpReleaseToProd()
}
if newVers.release != "" && (part == "build" || v.release == preRelease) {
newVers = newVers.bumpBuild()
}
return newVers
}
func (v *Version) equals(other *Version) bool {
return v.toString() == other.toString()
}
func defaultZeroStr(input string) string {
if input == "" {
return "0"
}
return input
}
func NewVersion(match []string) *Version {
v := Version{
major: defaultZeroStr(match[0]),
minor: defaultZeroStr(match[1]),
patch: defaultZeroStr(match[2]),
release: match[3],
build: defaultZeroStr(match[4]),
}
return &v
}