2020-08-09 22:29:54 +00:00
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// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package version records versioning information about this module.
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package version
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import (
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"fmt"
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"strings"
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)
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// These constants determine the current version of this module.
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//
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//
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// For our release process, we enforce the following rules:
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// * Tagged releases use a tag that is identical to String.
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// * Tagged releases never reference a commit where the String
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// contains "devel".
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// * The set of all commits in this repository where String
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// does not contain "devel" must have a unique String.
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//
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//
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// Steps for tagging a new release:
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// 1. Create a new CL.
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//
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// 2. Update Minor, Patch, and/or PreRelease as necessary.
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// PreRelease must not contain the string "devel".
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//
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// 3. Since the last released minor version, have there been any changes to
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// generator that relies on new functionality in the runtime?
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// If yes, then increment RequiredGenerated.
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//
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// 4. Since the last released minor version, have there been any changes to
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// the runtime that removes support for old .pb.go source code?
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// If yes, then increment SupportMinimum.
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//
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// 5. Send out the CL for review and submit it.
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// Note that the next CL in step 8 must be submitted after this CL
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// without any other CLs in-between.
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//
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// 6. Tag a new version, where the tag is is the current String.
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//
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// 7. Write release notes for all notable changes
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// between this release and the last release.
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//
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// 8. Create a new CL.
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//
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// 9. Update PreRelease to include the string "devel".
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// For example: "" -> "devel" or "rc.1" -> "rc.1.devel"
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//
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// 10. Send out the CL for review and submit it.
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const (
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Major = 1
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2021-10-16 22:47:22 +00:00
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Minor = 27
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Patch = 1
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2020-08-09 22:29:54 +00:00
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PreRelease = ""
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)
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// String formats the version string for this module in semver format.
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//
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// Examples:
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// v1.20.1
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// v1.21.0-rc.1
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func String() string {
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v := fmt.Sprintf("v%d.%d.%d", Major, Minor, Patch)
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if PreRelease != "" {
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v += "-" + PreRelease
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// TODO: Add metadata about the commit or build hash.
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// See https://golang.org/issue/29814
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// See https://golang.org/issue/33533
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var metadata string
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if strings.Contains(PreRelease, "devel") && metadata != "" {
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v += "+" + metadata
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}
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}
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return v
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}
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