150 lines
3.4 KiB
Go
150 lines
3.4 KiB
Go
// Copyright (C) 2015 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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// +build ignore
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// Checks for authors that are not mentioned in AUTHORS
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package main
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import (
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"bytes"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"regexp"
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"strings"
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)
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// list of commits that we don't include in our checks; because they are
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// legacy things that don't check code, are committed with incorrect address,
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// or for other reasons.
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var excludeCommits = stringSetFromStrings([]string{
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"63bd0136fb40a91efaa279cb4b4159d82e8e6904",
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"4e2feb6fbc791bb8a2daf0ab8efb10775d66343e",
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"f2459ef3319b2f060dbcdacd0c35a1788a94b8bd",
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"b61f418bf2d1f7d5a9d7088a20a2a448e5e66801",
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"a9339d0627fff439879d157c75077f02c9fac61b",
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"254c63763a3ad42fd82259f1767db526cff94a14",
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"4b76ec40c07078beaa2c5e250ed7d9bd6276a718",
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"32a76901a91ff0f663db6f0830e0aedec946e4d0",
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"3626003f680bad3e63677982576d3a05421e88e9",
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"342036408e65bd25bb6afbcc705e2e2c013bb01f",
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"e37cefdbee1c1cd95ad095b5da6d1252723f103b",
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"bcc5d7c00f52552303b463d43a636f27b7f7e19b",
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})
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func init() {
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log.SetOutput(os.Stdout)
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log.SetFlags(0)
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}
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func main() {
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actual := actualAuthorEmails("cmd/", "lib/", "gui/", "test/", "script/")
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listed := listedAuthorEmails()
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missing := actual.except(listed)
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if len(missing) > 0 {
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log.Println("Missing authors:")
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for author := range missing {
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log.Println(" ", author)
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}
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os.Exit(1)
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}
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}
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// actualAuthorEmails returns the set of author emails found in the actual git
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// commit log, except those in excluded commits.
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func actualAuthorEmails(paths ...string) stringSet {
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args := append([]string{"log", "--format=%H %ae"}, paths...)
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cmd := exec.Command("git", args...)
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bs, err := cmd.Output()
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if err != nil {
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log.Fatal("authorEmails:", err)
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}
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authors := newStringSet()
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for _, line := range bytes.Split(bs, []byte{'\n'}) {
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fields := strings.Fields(string(line))
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if len(fields) != 2 {
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continue
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}
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hash, author := fields[0], fields[1]
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if excludeCommits.has(hash) {
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continue
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}
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if strings.Contains(strings.ToLower(body(hash)), "skip-check: authors") {
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continue
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}
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authors.add(author)
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}
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return authors
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}
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// listedAuthorEmails returns the set of author emails mentioned in AUTHORS
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func listedAuthorEmails() stringSet {
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bs, err := ioutil.ReadFile("AUTHORS")
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if err != nil {
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log.Fatal("listedAuthorEmails:", err)
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}
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emailRe := regexp.MustCompile(`<([^>]+)>`)
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matches := emailRe.FindAllStringSubmatch(string(bs), -1)
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authors := newStringSet()
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for _, match := range matches {
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authors.add(match[1])
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}
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return authors
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}
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func body(hash string) string {
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cmd := exec.Command("git", "show", "--pretty=format:%b", "-s", hash)
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bs, err := cmd.Output()
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if err != nil {
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log.Fatal("body:", err)
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}
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return string(bs)
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}
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// A simple string set type
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type stringSet map[string]struct{}
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func newStringSet() stringSet {
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return make(stringSet)
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}
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func stringSetFromStrings(ss []string) stringSet {
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s := newStringSet()
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for _, e := range ss {
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s.add(e)
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}
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return s
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}
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func (s stringSet) add(e string) {
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s[e] = struct{}{}
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}
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func (s stringSet) has(e string) bool {
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_, ok := s[e]
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return ok
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}
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func (s stringSet) except(other stringSet) stringSet {
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diff := newStringSet()
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for e := range s {
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if !other.has(e) {
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diff.add(e)
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}
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}
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return diff
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}
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