feat: Replace underscores with hyphens in project-name, fixes ddev#6206…

… (ddev#6210)

Co-authored-by: Randy Fay <[email protected]>
Co-authored-by: Stanislav Zhuk <[email protected]>

cmd/ddev/cmd/config.go

@@ -381,7 +381,7 @@ func handleMainConfigArgs(cmd *cobra.Command, _ []string, app *ddevapp.DdevApp)
 	} else { // No siteNameArg passed, c.Name not set: use c.Name from the directory
 		pwd, err := os.Getwd()
 		util.CheckErr(err)
-		app.Name = filepath.Base(pwd)
+		app.Name = ddevapp.NormalizeProjectName(filepath.Base(pwd))
 	}
 
 	err = app.CheckExistingAppInApproot()

pkg/ddevapp/config.go

@@ -102,7 +102,7 @@ func NewApp(appRoot string, includeOverrides bool) (*DdevApp, error) {
 	app.FailOnHookFailGlobal = globalconfig.DdevGlobalConfig.FailOnHookFailGlobal
 
 	// Provide a default app name based on directory name
-	app.Name = filepath.Base(app.AppRoot)
+	app.Name = NormalizeProjectName(filepath.Base(app.AppRoot))
 
 	// Gather containers to omit, adding ddev-router for gitpod/codespaces
 	app.OmitContainersGlobal = globalconfig.DdevGlobalConfig.OmitContainersGlobal
@@ -1283,9 +1283,8 @@ func WriteImageDockerfile(fullpath string, contents []byte) error {
 func (app *DdevApp) promptForName() error {
 	if app.Name == "" {
 		dir, err := os.Getwd()
-		// If working directory name is invalid for hostnames, we shouldn't suggest it
-		if err == nil && hostRegex.MatchString(filepath.Base(dir)) {
-			app.Name = filepath.Base(dir)
+		if err == nil && hostRegex.MatchString(NormalizeProjectName(filepath.Base(dir))) {
+			app.Name = NormalizeProjectName(filepath.Base(dir))
 		}
 	}
 

pkg/ddevapp/config_test.go

@@ -230,7 +230,7 @@ func TestConfigCommand(t *testing.T) {
 	testMatrix := map[string][]string{
 		"magentophpversion": {nodeps.AppTypeMagento, nodeps.PHPDefault},
 		"drupal7phpversion": {nodeps.AppTypeDrupal7, nodeps.PHP82},
-		"drupalphpversion":  {nodeps.AppTypeDrupal, nodeps.PHPDefault},
+		"Drupalphpversion":  {nodeps.AppTypeDrupal, nodeps.PHPDefault},
 	}
 
 	for testName, testValues := range testMatrix {
@@ -298,6 +298,47 @@ func TestConfigCommand(t *testing.T) {
 	}
 }
 
+// TestConfigCommandProjectNormalization tests behavior when normalizing project names.
+// For example, a directory like "some_dir" should result in project name "some-dir"
+func TestConfigCommandProjectNormalization(t *testing.T) {
+	assert := asrt.New(t)
+	origDir, _ := os.Getwd()
+
+	testMatrix := []struct {
+		name        string
+		expectation string
+	}{
+		{"normalname", "normalname"},
+		{"with-hyphen", "with-hyphen"},
+		{"with_underscore", "with-underscore"},
+		{"with.dot", "with.dot"},
+	}
+
+	for _, tc := range testMatrix {
+		t.Run(tc.name, func(t *testing.T) {
+
+			baseTestDir := t.TempDir()
+			testDir := filepath.Join(baseTestDir, tc.name)
+			err := os.Mkdir(testDir, 0755)
+			require.NoError(t, err)
+
+			// Create the app we'll use for testing.
+			app, err := ddevapp.NewApp(testDir, false)
+			require.NoError(t, err)
+
+			require.Equal(t, tc.expectation, app.Name)
+
+			t.Cleanup(func() {
+				_ = app.Stop(true, false)
+				_ = os.Chdir(origDir)
+			})
+
+			err = ddevapp.PrepDdevDirectory(app)
+			assert.NoError(err)
+		})
+	}
+}
+
 // TestConfigCommandDocrootDetection asserts the default docroot is detected.
 func TestConfigCommandDocrootDetection(t *testing.T) {
 	// Set up tests and give ourselves a working directory.

pkg/ddevapp/ddevapp.go

@@ -2870,6 +2870,11 @@ func GetActiveApp(siteName string) (*DdevApp, error) {
 	return app, nil
 }
 
+// NormalizeProjectName replaces underscores in the site name with hyphens.
+func NormalizeProjectName(siteName string) string {
+	return strings.ReplaceAll(siteName, "_", "-")
+}
+
 // restoreApp recreates an AppConfig's Name and returns an error
 // if it cannot restore them.
 func restoreApp(app *DdevApp, siteName string) error {

pkg/ddevapp/ddevapp_test.go

@@ -3219,9 +3219,7 @@ func TestRouterPortsCheck(t *testing.T) {
 	}
 
 	app, err = ddevapp.GetActiveApp(site.Name)
-	if err != nil {
-		t.Fatalf("Failed to GetActiveApp(%s), err:%v", site.Name, err)
-	}
+	require.NoError(t, err, "Failed to GetActiveApp(%s), err:%v", site.Name, err)
 	startErr = app.StartAndWait(5)
 	//nolint: errcheck
 	defer app.Stop(true, false)