relnote: use commit text to find accepted proposals
Accepted proposals should usually be mentioned in the release notes,
so include them even if they are not mentioned with RELNOTES=yes.
Also include any CL that is adding to the api/next directory.
CL 410361 contains the updates found by this new code.
For golang/go#51400.
Change-Id: I8c248c0ddcfad6a070ab7875e6eac0a24a3c9ec4
Reviewed-on: https://go-review.googlesource.com/c/build/+/410244
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: David Chase <drchase@google.com>
diff --git a/cmd/relnote/relnote.go b/cmd/relnote/relnote.go
index 6c17054..6889c54 100644
--- a/cmd/relnote/relnote.go
+++ b/cmd/relnote/relnote.go
@@ -17,6 +17,7 @@
"path"
"regexp"
"sort"
+ "strconv"
"strings"
"time"
@@ -27,25 +28,71 @@
)
var (
+ verbose = flag.Bool("v", false, "print verbose logging")
htmlMode = flag.Bool("html", false, "write HTML output")
exclFile = flag.String("exclude-from", "", "optional path to release notes HTML file. If specified, any 'CL NNNN' occurrence in the content will cause that CL to be excluded from this tool's output.")
)
// change is a change that was noted via a RELNOTE= comment.
type change struct {
- CL *maintner.GerritCL
- Note string // the part after RELNOTE=
+ CL *maintner.GerritCL
+ Note string // the part after RELNOTE=
+ Issue *maintner.GitHubIssue
+}
+
+func (c change) ID() string {
+ switch {
+ default:
+ panic("invalid change")
+ case c.CL != nil:
+ return fmt.Sprintf("CL %d", c.CL.Number)
+ case c.Issue != nil:
+ return fmt.Sprintf("https://go.dev/issue/%d", c.Issue.Number)
+ }
+}
+
+func (c change) URL() string {
+ switch {
+ default:
+ panic("invalid change")
+ case c.CL != nil:
+ return fmt.Sprint("https://go.dev/cl/", c.CL.Number)
+ case c.Issue != nil:
+ return fmt.Sprint("https://go.dev/issue/", c.Issue.Number)
+ }
+}
+
+func (c change) Subject() string {
+ switch {
+ default:
+ panic("invalid change")
+ case c.CL != nil:
+ subj := c.CL.Subject()
+ subj = strings.TrimPrefix(subj, clPackage(c.CL)+":")
+ return strings.TrimSpace(subj)
+ case c.Issue != nil:
+ return issueSubject(c.Issue)
+ }
}
func (c change) TextLine() string {
- subj := c.CL.Subject()
- if c.Note != "yes" && c.Note != "y" {
- subj = c.Note + ": " + subj
+ switch {
+ default:
+ panic("invalid change")
+ case c.CL != nil:
+ subj := c.CL.Subject()
+ if c.Note != "yes" && c.Note != "y" {
+ subj += "; " + c.Note
+ }
+ return subj
+ case c.Issue != nil:
+ return issueSubject(c.Issue)
}
- return fmt.Sprintf("https://go.dev/cl/%d: %s", c.CL.Number, subj)
}
func main() {
+ log.SetPrefix("relnote: ")
+ log.SetFlags(0)
flag.Parse()
// Releases are every 6 months. Walk forward by 6 month increments to next release.
@@ -81,6 +128,8 @@
log.Fatal(err)
}
changes := map[string][]change{} // keyed by pkg
+ gh := corpus.GitHub().Repo("golang", "go")
+ addedIssue := make(map[int32]bool)
corpus.Gerrit().ForeachProjectUnsorted(func(gp *maintner.GerritProject) error {
if gp.Server() != "go.googlesource.com" {
return nil
@@ -97,26 +146,52 @@
// Was in a previous release; not for this one.
return nil
}
- _, ok := matchedCLs[int(cl.Number)]
- if !ok {
- // Wasn't matched by the Gerrit API search query.
- // Return before making further Gerrit API calls.
+ for _, num := range issueNumbers(cl) {
+ if bytes.Contains(existingHTML, []byte(fmt.Sprintf("https://go.dev/issue/%d", num))) || addedIssue[num] {
+ continue
+ }
+ if issue := gh.Issue(num); issue != nil && !issue.ClosedAt.Before(cutoff) && hasLabel(issue, "Proposal-Accepted") {
+ if *verbose {
+ log.Printf("CL %d mentions accepted proposal #%d (%s)", cl.Number, num, issue.Title)
+ }
+ pkg := issuePackage(issue)
+ changes[pkg] = append(changes[pkg], change{Issue: issue})
+ addedIssue[num] = true
+ }
+ }
+ if bytes.Contains(existingHTML, []byte(fmt.Sprintf("CL %d", cl.Number))) {
return nil
}
- comments, err := gerritClient.ListChangeComments(context.Background(), fmt.Sprint(cl.Number))
- if err != nil {
- return err
+ var relnote string
+ if _, ok := matchedCLs[int(cl.Number)]; ok {
+ comments, err := gerritClient.ListChangeComments(context.Background(), fmt.Sprint(cl.Number))
+ if err != nil {
+ return err
+ }
+ relnote = clRelNote(cl, comments)
}
- relnote := clRelNote(cl, comments)
- if relnote == "" ||
- bytes.Contains(existingHTML, []byte(fmt.Sprintf("CL %d", cl.Number))) {
- return nil
+ if relnote == "" {
+ // Invent a RELNOTE=modified api/name.txt if the commit modifies any API files.
+ var api []string
+ for _, f := range cl.Commit.Files {
+ if strings.HasPrefix(f.File, "api/") && strings.HasSuffix(f.File, ".txt") {
+ api = append(api, f.File)
+ }
+ }
+ if len(api) > 0 {
+ relnote = "modified " + strings.Join(api, ", ")
+ if *verbose {
+ log.Printf("CL %d %s", cl.Number, relnote)
+ }
+ }
}
- pkg := clPackage(cl)
- changes[pkg] = append(changes[pkg], change{
- Note: relnote,
- CL: cl,
- })
+ if relnote != "" {
+ pkg := clPackage(cl)
+ changes[pkg] = append(changes[pkg], change{
+ Note: relnote,
+ CL: cl,
+ })
+ }
return nil
})
return nil
@@ -126,7 +201,14 @@
for pkg, changes := range changes {
pkgs = append(pkgs, pkg)
sort.Slice(changes, func(i, j int) bool {
- return changes[i].CL.Number < changes[j].CL.Number
+ x, y := &changes[i], &changes[j]
+ if (x.Issue != nil) != (y.Issue != nil) {
+ return x.Issue != nil
+ }
+ if x.Issue != nil {
+ return x.Issue.Number < y.Issue.Number
+ }
+ return x.CL.Number < y.CL.Number
})
}
sort.Strings(pkgs)
@@ -137,7 +219,7 @@
continue
}
for _, change := range changes[pkg] {
- fmt.Printf("<!-- CL %d: %s -->\n", change.CL.Number, change.TextLine())
+ fmt.Printf("<!-- %s: %s -->\n", change.ID(), change.TextLine())
}
}
for _, pkg := range pkgs {
@@ -147,11 +229,8 @@
fmt.Printf("\n<dl id=%q><dt><a href=%q>%s</a></dt>\n <dd>",
pkg, "/pkg/"+pkg+"/", pkg)
for _, change := range changes[pkg] {
- changeURL := fmt.Sprintf("https://go.dev/cl/%d", change.CL.Number)
- subj := change.CL.Subject()
- subj = strings.TrimPrefix(subj, pkg+": ")
- fmt.Printf("\n <p><!-- CL %d -->\n TODO: <a href=%q>%s</a>: %s\n </p>\n",
- change.CL.Number, changeURL, changeURL, html.EscapeString(subj))
+ fmt.Printf("\n <p><!-- %s -->\n TODO: <a href=%q>%s</a>: %s\n </p>\n",
+ change.ID(), change.URL(), change.URL(), html.EscapeString(change.TextLine()))
}
fmt.Printf(" </dd>\n</dl><!-- %s -->\n", pkg)
}
@@ -159,7 +238,7 @@
for _, pkg := range pkgs {
fmt.Printf("%s\n", pkg)
for _, change := range changes[pkg] {
- fmt.Printf(" %s\n", change.TextLine())
+ fmt.Printf(" %s: %s\n", change.URL(), change.TextLine())
}
}
}
@@ -183,14 +262,27 @@
return m, nil
}
+// packagePrefix returns the package prefix at the start of s.
+// For example packagePrefix("net/http: add HTTP 5 support") == "net/http".
+// If there's no package prefix, packagePrefix returns "".
+func packagePrefix(s string) string {
+ i := strings.Index(s, ":")
+ if i < 0 {
+ return ""
+ }
+ s = s[:i]
+ if strings.Trim(s, "abcdefghijklmnopqrstuvwxyz0123456789/") != "" {
+ return ""
+ }
+ return s
+}
+
// clPackage returns the package import path from the CL's commit message,
// or "??" if it's formatted unconventionally.
func clPackage(cl *maintner.GerritCL) string {
- var pkg string
- if i := strings.Index(cl.Subject(), ":"); i == -1 {
+ pkg := packagePrefix(cl.Subject())
+ if pkg == "" {
return "??"
- } else {
- pkg = cl.Subject()[:i]
}
if r := repos.ByGerritProject[cl.Project.Project()]; r == nil {
return "??"
@@ -233,3 +325,52 @@
}
var relNoteRx = regexp.MustCompile(`RELNOTES?=(.+)`)
+
+// issuePackage returns the package import path from the issue's title,
+// or "??" if it's formatted unconventionally.
+func issuePackage(issue *maintner.GitHubIssue) string {
+ pkg := packagePrefix(issue.Title)
+ if pkg == "" {
+ return "??"
+ }
+ return pkg
+}
+
+// issueSubject returns the issue's title with the package prefix removed.
+func issueSubject(issue *maintner.GitHubIssue) string {
+ pkg := packagePrefix(issue.Title)
+ if pkg == "" {
+ return issue.Title
+ }
+ return strings.TrimSpace(strings.TrimPrefix(issue.Title, pkg+":"))
+}
+
+func hasLabel(issue *maintner.GitHubIssue, label string) bool {
+ for _, l := range issue.Labels {
+ if l.Name == label {
+ return true
+ }
+ }
+ return false
+}
+
+var numbersRE = regexp.MustCompile(`(?m)(?:^|\s)#([0-9]{3,})`)
+var golangGoNumbersRE = regexp.MustCompile(`(?m)golang/go#([0-9]{3,})`)
+
+// issueNumbers returns the golang/go issue numbers referred to by the CL.
+func issueNumbers(cl *maintner.GerritCL) []int32 {
+ var re *regexp.Regexp
+ if cl.Project.Project() == "go" {
+ re = numbersRE
+ } else {
+ re = golangGoNumbersRE
+ }
+
+ var list []int32
+ for _, s := range re.FindAllStringSubmatch(cl.Commit.Msg, -1) {
+ if n, err := strconv.Atoi(s[1]); err == nil && n < 1e9 {
+ list = append(list, int32(n))
+ }
+ }
+ return list
+}