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