114 lines
2.8 KiB
Go
114 lines
2.8 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package repository
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import (
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"bufio"
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"bytes"
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"fmt"
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"regexp"
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"strings"
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"code.gitea.io/gitea/modules/options"
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)
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type LicenseValues struct {
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Owner string
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Email string
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Repo string
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Year string
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}
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func GetLicense(name string, values *LicenseValues) ([]byte, error) {
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data, err := options.License(name)
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if err != nil {
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return nil, fmt.Errorf("GetRepoInitFile[%s]: %w", name, err)
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}
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return fillLicensePlaceholder(name, values, data), nil
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}
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func fillLicensePlaceholder(name string, values *LicenseValues, origin []byte) []byte {
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placeholder := getLicensePlaceholder(name)
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scanner := bufio.NewScanner(bytes.NewReader(origin))
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output := bytes.NewBuffer(nil)
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for scanner.Scan() {
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line := scanner.Text()
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if placeholder.MatchLine == nil || placeholder.MatchLine.MatchString(line) {
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for _, v := range placeholder.Owner {
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line = strings.ReplaceAll(line, v, values.Owner)
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}
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for _, v := range placeholder.Email {
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line = strings.ReplaceAll(line, v, values.Email)
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}
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for _, v := range placeholder.Repo {
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line = strings.ReplaceAll(line, v, values.Repo)
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}
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for _, v := range placeholder.Year {
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line = strings.ReplaceAll(line, v, values.Year)
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}
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}
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output.WriteString(line + "\n")
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}
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return output.Bytes()
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}
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type licensePlaceholder struct {
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Owner []string
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Email []string
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Repo []string
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Year []string
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MatchLine *regexp.Regexp
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}
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func getLicensePlaceholder(name string) *licensePlaceholder {
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// Some universal placeholders.
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// If you want to add a new one, make sure you have check it by `grep -r 'NEW_WORD' options/license` and all of them are placeholders.
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ret := &licensePlaceholder{
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Owner: []string{
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"<name of author>",
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"<owner>",
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"[NAME]",
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"[name of copyright owner]",
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"[name of copyright holder]",
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"<COPYRIGHT HOLDERS>",
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"<copyright holders>",
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"<AUTHOR>",
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"<author's name or designee>",
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"[one or more legally recognised persons or entities offering the Work under the terms and conditions of this Licence]",
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},
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Email: []string{
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"[EMAIL]",
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},
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Repo: []string{
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"<program>",
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"<one line to give the program's name and a brief idea of what it does.>",
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},
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Year: []string{
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"<year>",
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"[YEAR]",
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"{YEAR}",
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"[yyyy]",
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"[Year]",
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"[year]",
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},
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}
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// Some special placeholders for specific licenses.
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// It's unsafe to apply them to all licenses.
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switch name {
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case "0BSD":
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return &licensePlaceholder{
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Owner: []string{"AUTHOR"},
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Email: []string{"EMAIL"},
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Year: []string{"YEAR"},
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MatchLine: regexp.MustCompile(`Copyright \(C\) YEAR by AUTHOR EMAIL`), // there is another AUTHOR in the file, but it's not a placeholder
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}
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// Other special placeholders can be added here.
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}
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return ret
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}
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