feat: add mentioned users and issues to annotations

pkg/analyzer/commit_analyzer.go

@@ -8,11 +8,21 @@ import (
 )
 
 var (
-	CAVERSION       = "dev"
-	commitPattern   = regexp.MustCompile(`^(\w*)(?:\((.*)\))?(\!)?\: (.*)$`)
-	breakingPattern = regexp.MustCompile("BREAKING CHANGES?")
+	CAVERSION              = "dev"
+	commitPattern          = regexp.MustCompile(`^(\w*)(?:\((.*)\))?(\!)?\: (.*)$`)
+	breakingPattern        = regexp.MustCompile("BREAKING CHANGES?")
+	mentionedIssuesPattern = regexp.MustCompile(`#(\d+)`)
+	mentionedUsersPattern  = regexp.MustCompile(`(?i)@([a-z\d]([a-z\d]|-[a-z\d])+)`)
 )
 
+func extractMentions(re *regexp.Regexp, s string) string {
+	ret := make([]string, 0)
+	for _, m := range re.FindAllStringSubmatch(s, -1) {
+		ret = append(ret, m[1])
+	}
+	return strings.Join(ret, ",")
+}
+
 type DefaultCommitAnalyzer struct{}
 
 func (da *DefaultCommitAnalyzer) Init(m map[string]string) error {
@@ -34,6 +44,9 @@ func (da *DefaultCommitAnalyzer) analyzeSingleCommit(rawCommit *semrel.RawCommit
 		Change:      &semrel.Change{},
 		Annotations: rawCommit.Annotations,
 	}
+	c.Annotations["mentioned_issues"] = extractMentions(mentionedIssuesPattern, rawCommit.RawMessage)
+	c.Annotations["mentioned_users"] = extractMentions(mentionedUsersPattern, rawCommit.RawMessage)
+
 	found := commitPattern.FindAllStringSubmatch(c.Raw[0], -1)
 	if len(found) < 1 {
 		return c

pkg/analyzer/commit_analyzer_test.go

@@ -26,19 +26,20 @@ func createRawCommit(sha, message string) *semrel.RawCommit {
 		SHA:        sha,
 		RawMessage: message,
 		Annotations: map[string]string{
-			"author_name":   "test",
-			"my-annotation": "true",
+			"author_name": "test",
 		},
 	}
 }
 
 func TestAnnotations(t *testing.T) {
 	defaultAnalyzer := &DefaultCommitAnalyzer{}
-	rawCommit := createRawCommit("a", "feat: new feature")
+	rawCommit := createRawCommit("a", "fix: bug #123 and #243\nthanks @Test-user for providing this fix\n\nCloses #22")
 	commit := defaultAnalyzer.analyzeSingleCommit(rawCommit)
 	require.Equal(t, rawCommit.SHA, commit.SHA)
 	require.Equal(t, rawCommit.RawMessage, strings.Join(commit.Raw, "\n"))
-	require.Equal(t, rawCommit.Annotations, commit.Annotations)
+	require.Equal(t, "test", commit.Annotations["author_name"])
+	require.Equal(t, "123,243,22", commit.Annotations["mentioned_issues"])
+	require.Equal(t, "Test-user", commit.Annotations["mentioned_users"])
 }
 
 func TestDefaultAnalyzer(t *testing.T) {