74 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package checks
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import (
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	"regexp"
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	"strings"
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	"golang.org/x/tools/go/analysis"
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)
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var (
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	header     = regexp.MustCompile(`.*Copyright.*\d{4}.*(Gitea|Gogs)`)
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	goGenerate = "//go:generate"
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	buildTag   = "// +build"
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)
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var License = &analysis.Analyzer{
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	Name: "license",
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	Doc:  "check for a copyright header",
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	Run:  runLicense,
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}
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func runLicense(pass *analysis.Pass) (interface{}, error) {
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	for _, file := range pass.Files {
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		if len(file.Comments) == 0 {
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			pass.Reportf(file.Pos(), "Copyright not found")
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			continue
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		}
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		if len(file.Comments[0].List) == 0 {
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			pass.Reportf(file.Pos(), "Copyright not found or wrong")
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			continue
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		}
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		commentGroup := 0
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		if strings.HasPrefix(file.Comments[0].List[0].Text, goGenerate) {
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			if len(file.Comments[0].List) > 1 {
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				pass.Reportf(file.Pos(), "Must be an empty line between the go:generate and the Copyright")
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				continue
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			}
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			commentGroup++
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		}
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		if strings.HasPrefix(file.Comments[0].List[0].Text, buildTag) {
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			commentGroup++
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		}
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		if len(file.Comments) < commentGroup+1 {
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			pass.Reportf(file.Pos(), "Copyright not found")
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			continue
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		}
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		if len(file.Comments[commentGroup].List) < 1 {
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			pass.Reportf(file.Pos(), "Copyright not found or wrong")
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			continue
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		}
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		var check bool
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		for _, comment := range file.Comments[commentGroup].List {
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			if header.MatchString(comment.Text) {
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				check = true
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			}
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		}
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		if !check {
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			pass.Reportf(file.Pos(), "Copyright did not match check")
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		}
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	}
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	return nil, nil
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}
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