fix: populate configure command pr content

internal/librarian/generate_command.go

@@ -176,10 +176,14 @@ func (r *generateRunner) run(ctx context.Context) error {
 		return fmt.Errorf("unexpected prType %s", prType)
 	}
 
+	commitMessage := "feat: generate libraries"
+	if prType == pullRequestOnboard {
+		commitMessage = "feat: onboard a new library"
+	}
 	commitInfo := &commitInfo{
 		branch:            r.branch,
 		commit:            r.commit,
-		commitMessage:     "feat: generate libraries",
+		commitMessage:     commitMessage,
 		ghClient:          r.ghClient,
 		prType:            prType,
 		push:              r.push,
@@ -221,7 +225,7 @@ func (r *generateRunner) generateSingleLibrary(ctx context.Context, libraryID, o
 			return nil, err
 		}
 
-		prType = pullRequestGenerate
+		prType = pullRequestOnboard
 		libraryID = configuredLibraryID
 	}
 

internal/librarian/generate_command_test.go

@@ -837,7 +837,21 @@ func TestGenerateScenarios(t *testing.T) {
 		},
 	} {
 		t.Run(test.name, func(t *testing.T) {
-			repo := newTestGitRepoWithState(t, test.state, true)
+			var repo gitrepo.Repository
+			useMockRepo := test.name == "generate_single_library_including_initial_configuration" || test.name == "generate single existing library by library id"
+			if useMockRepo {
+				repo = &MockRepository{
+					Dir: t.TempDir(),
+					RemotesValue: []*gitrepo.Remote{
+						{
+							Name: "origin",
+							URLs: []string{"https://github.com/googleapis/librarian.git"},
+						},
+					},
+				}
+			} else {
+				repo = newTestGitRepoWithState(t, test.state, true)
+			}
 
 			r := &generateRunner{
 				api:             test.api,
@@ -848,9 +862,13 @@ func TestGenerateScenarios(t *testing.T) {
 				state:           test.state,
 				librarianConfig: test.librarianConfig,
 				containerClient: test.container,
-				ghClient:        test.ghClient,
+				ghClient:        &mockGitHubClient{},
 				workRoot:        t.TempDir(),
 			}
+			if useMockRepo {
+				r.commit = true
+				r.push = true
+			}
 
 			// Create a service config in api path.
 			if err := os.MkdirAll(filepath.Join(r.sourceRepo.GetDir(), test.api), 0755); err != nil {
@@ -906,6 +924,18 @@ func TestGenerateScenarios(t *testing.T) {
 			if diff := cmp.Diff(test.wantConfigureCalls, test.container.configureCalls); diff != "" {
 				t.Errorf("%s: run() configureCalls mismatch (-want +got):%s", test.name, diff)
 			}
+			if test.name == "generate_single_library_including_initial_configuration" {
+				mockRepo := repo.(*MockRepository)
+				if mockRepo.LastCommitMessage != "feat: onboard a new library" {
+					t.Errorf("want commit message %q, got %q", "feat: onboard a new library", mockRepo.LastCommitMessage)
+				}
+			}
+			if test.name == "generate single existing library by library id" {
+				mockRepo := repo.(*MockRepository)
+				if mockRepo.LastCommitMessage != "feat: generate libraries" {
+					t.Errorf("want commit message %q, got %q", "feat: generate libraries", mockRepo.LastCommitMessage)
+				}
+			}
 		})
 	}
 }

internal/librarian/mocks_test.go

@@ -308,6 +308,7 @@ type MockRepository struct {
 	RemotesValue                           []*gitrepo.Remote
 	RemotesError                           error
 	CommitCalls                            int
+	LastCommitMessage                      string
 	GetCommitError                         error
 	GetLatestCommitError                   error
 	GetCommitByHash                        map[string]*gitrepo.Commit
@@ -355,6 +356,7 @@ func (m *MockRepository) AddAll() error {
 
 func (m *MockRepository) Commit(msg string) error {
 	m.CommitCalls++
+	m.LastCommitMessage = msg
 	return m.CommitError
 }