gitea-vet/checks/license.go

81 lines
1.8 KiB
Go

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