//
// This package follows Semantic Versioning 2.0.0 (see semver.org)
// with two exceptions. First, it requires the "v" prefix. Second, it recognizes
// vMAJOR and vMAJOR.MINOR (with no prerelease or build suffixes)
// as shorthands for vMAJOR.0.0 and vMAJOR.MINOR.0.
package semver

import "sort"

// parsed returns the parsed form of a semantic version string.
type parsed struct {

d59622f6e4d77f008819083582fde71ea1921b0c refs/heads/v3.0.0-devel
33ea7ee36f3e3f44f528664b3712c9fa0cef7502 refs/tags/v0.1.0
d59622f6e4d77f008819083582fde71ea1921b0c refs/tags/v4.0.0-beta.1
-- go.mod --
module vcs-test.golang.org/git/semver-branch.git

go 1.16
-- pkg/pkg.go --
package pkg
-- v1/pkg/pkg.go --
package pkg

func init() {
	panic("TODO")

		second *EtcdVersion
		match  bool
	}{
		{&EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 2}}, &EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 0}}, true},
		{&EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 2}}, &EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 2}}, true},

		{&EtcdVersion{semver.Version{Major: 3, Minor: 0, Patch: 0}}, &EtcdVersion{semver.Version{Major: 3, Minor: 1, Patch: 0}}, false},

// use a different version syntax and semantics (gover, this package)
// than most modules (semver).
func ModCompare(path string, x, y string) int {
	if path == "go" {
		return Compare(x, y)
	}
	if path == "toolchain" {
		return Compare(maybeToolchainVersion(x), maybeToolchainVersion(y))
	}
	return semver.Compare(x, y)
}

// ModSort is like module.Sort but understands the "go" and "toolchain"

*/

package main

import (
	"fmt"
	"strings"

	"github.com/blang/semver/v4"
)

// EtcdVersion specifies an etcd server binaries SemVer.
type EtcdVersion struct {
	semver.Version
}

// ParseEtcdVersion parses a SemVer string to an EtcdVersion.
func ParseEtcdVersion(s string) (*EtcdVersion, error) {
	v, err := semver.Make(s)
	if err != nil {
		return nil, err
	}
	return &EtcdVersion{v}, nil
}

)

func parse(str string, semver bool) (*Version, error) {
	parts := versionMatchRE.FindStringSubmatch(str)
	if parts == nil {
		return nil, fmt.Errorf("could not parse %q as version", str)
	}
	numbers, extra := parts[1], parts[2]

	components := strings.Split(numbers, ".")
	if (semver && len(components) != 3) || (!semver && len(components) < 2) {

func initVersions(ctx resource.Context) error {
	versionFromFile, err := env.ReadVersion()
	if err != nil {
		return err
	}

	v, err := semver.NewVersion(versionFromFile)
	if err != nil {
		return err
	}

	previousVersion := semver.New(v.Major(), v.Minor()-1, v.Patch(), v.Prerelease(), v.Metadata())

	// If the previous version is not published yet, use the latest one

   *
   * Note that OkHttp's runtime version may be different from the version specified in your
   * project's build file due to the dependency resolution features of your build tool.
   *
   * [semver]: https://semver.org
   */
  @Suppress("MayBeConstant") // Non-const so external callers get the runtime version.
  @JvmField
  val VERSION = CONST_VERSION

// (For historical reasons, Go does not use semver for its toolchains.)
// This package provides the same basic analysis that golang.org/x/mod/semver does for semver.
// It also provides some helpers for extracting versions from go.mod files
// and for dealing with module.Versions that may use Go versions or semver
// depending on the module path.
package gover

import (
	"internal/gover"
)

	var tests = []struct {
		version               string
		semver                bool
		expectedComponents    []uint
		expectedMajor         uint
		expectedMinor         uint
		expectedPatch         uint
		expectedPreRelease    string
		expectedBuildMetadata string
	}{
		{
			version:            "1.0.2",
			semver:             true,
			expectedComponents: []uint{1, 0, 2},
			expectedMajor:      1,