mirror of https://github.com/go-gitea/gitea.git
119 lines
2.8 KiB
Go
119 lines
2.8 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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//go:build ignore
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package main
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import (
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"encoding/json"
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"fmt"
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"io/fs"
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"os"
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"path"
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"path/filepath"
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"regexp"
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"sort"
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"strings"
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"code.gitea.io/gitea/modules/container"
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)
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// regexp is based on go-license, excluding README and NOTICE
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// https://github.com/google/go-licenses/blob/master/licenses/find.go
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var licenseRe = regexp.MustCompile(`^(?i)((UN)?LICEN(S|C)E|COPYING).*$`)
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type LicenseEntry struct {
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Name string `json:"name"`
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Path string `json:"path"`
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LicenseText string `json:"licenseText"`
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}
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func main() {
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if len(os.Args) != 3 {
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fmt.Println("usage: go run generate-go-licenses.go <base-dir> <out-json-file>")
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os.Exit(1)
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}
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base, out := os.Args[1], os.Args[2]
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// Add ext for excluded files because license_test.go will be included for some reason.
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// And there are more files that should be excluded, check with:
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//
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// go run github.com/google/go-licenses@v1.6.0 save . --force --save_path=.go-licenses 2>/dev/null
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// find .go-licenses -type f | while read FILE; do echo "${$(basename $FILE)##*.}"; done | sort -u
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// AUTHORS
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// COPYING
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// LICENSE
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// Makefile
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// NOTICE
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// gitignore
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// go
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// md
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// mod
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// sum
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// toml
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// txt
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// yml
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//
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// It could be removed once we have a better regex.
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excludedExt := container.SetOf(".gitignore", ".go", ".mod", ".sum", ".toml", ".yml")
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var paths []string
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err := filepath.WalkDir(base, func(path string, entry fs.DirEntry, err error) error {
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if err != nil {
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return err
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}
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if entry.IsDir() || !licenseRe.MatchString(entry.Name()) || excludedExt.Contains(filepath.Ext(entry.Name())) {
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return nil
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}
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paths = append(paths, path)
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return nil
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})
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if err != nil {
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panic(err)
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}
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sort.Strings(paths)
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var entries []LicenseEntry
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for _, filePath := range paths {
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licenseText, err := os.ReadFile(filePath)
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if err != nil {
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panic(err)
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}
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pkgPath := filepath.ToSlash(filePath)
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pkgPath = strings.TrimPrefix(pkgPath, base+"/")
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pkgName := path.Dir(pkgPath)
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// There might be a bug somewhere in go-licenses that sometimes interprets the
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// root package as "." and sometimes as "code.gitea.io/gitea". Workaround by
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// removing both of them for the sake of stable output.
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if pkgName == "." || pkgName == "code.gitea.io/gitea" {
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continue
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}
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entries = append(entries, LicenseEntry{
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Name: pkgName,
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Path: pkgPath,
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LicenseText: string(licenseText),
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})
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}
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jsonBytes, err := json.MarshalIndent(entries, "", " ")
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if err != nil {
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panic(err)
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}
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// Ensure file has a final newline
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if jsonBytes[len(jsonBytes)-1] != '\n' {
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jsonBytes = append(jsonBytes, '\n')
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}
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err = os.WriteFile(out, jsonBytes, 0o644)
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if err != nil {
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panic(err)
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}
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}
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