Include PRs that use tide squashing

Author: g-gaston

hack/tools/go.mod

@@ -35,7 +35,6 @@ require (
 	cloud.google.com/go/compute v1.23.3 // indirect
 	cloud.google.com/go/compute/metadata v0.2.3 // indirect
 	cloud.google.com/go/iam v1.1.5 // indirect
-	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/MakeNowJust/heredoc v1.0.0 // indirect
 	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/semver/v3 v3.2.0 // indirect

hack/tools/release/notes/list.go

@@ -119,16 +119,24 @@ func (l *githubFromToPRLister) listPRs() ([]pr, error) {
 	return prs, nil
 }
 
-var mergeCommitMessage = regexp.MustCompile(`(?m)^Merge pull request #(\d+) .*$`)
+var (
+	mergeCommitMessage        = regexp.MustCompile(`(?m)^Merge pull request #(\d+) .*$`)
+	tideSquashedCommitMessage = regexp.MustCompile(`(?m)^.+\(#(?P<number>\d+)\)$`)
+)
 
 func buildSetOfPRNumbers(commits []githubCommitNode) map[string]struct{} {
 	prNumbers := make(map[string]struct{})
 	for _, commit := range commits {
 		match := mergeCommitMessage.FindStringSubmatch(commit.Commit.Message)
-		if len(match) != 2 {
+		if len(match) == 2 {
+			prNumbers[match[1]] = struct{}{}
 			continue
 		}
-		prNumbers[match[1]] = struct{}{}
+
+		match = tideSquashedCommitMessage.FindStringSubmatch(commit.Commit.Message)
+		if len(match) == 2 {
+			prNumbers[match[1]] = struct{}{}
+		}
 	}
 
 	return prNumbers