MM-30801: pre-package channel export plugin (#16406)

* MM-30801: pre-package channel export plugin

The [channel export plugin](https://github.com/mattermost/mattermost-plugin-channel-export) complements [incident management](https://github.com/mattermost/mattermost-plugin-incident-management).

* only enable IM/CE by default on enterprise ready builds

model/config.go

@@ -2676,11 +2676,16 @@ func (s *PluginSettings) SetDefaults(ls LogSettings) {
 		s.PluginStates["com.mattermost.nps"] = &PluginState{Enable: ls.EnableDiagnostics == nil || *ls.EnableDiagnostics}
 	}
 
-	if s.PluginStates["com.mattermost.plugin-incident-management"] == nil {
+	if s.PluginStates["com.mattermost.plugin-incident-management"] == nil && BuildEnterpriseReady == "true" {
 		// Enable the incident management plugin by default
 		s.PluginStates["com.mattermost.plugin-incident-management"] = &PluginState{Enable: true}
 	}
 
+	if s.PluginStates["com.mattermost.plugin-channel-export"] == nil && BuildEnterpriseReady == "true" {
+		// Enable the channel export plugin by default
+		s.PluginStates["com.mattermost.plugin-channel-export"] = &PluginState{Enable: true}
+	}
+
 	if s.EnableMarketplace == nil {
 		s.EnableMarketplace = NewBool(PLUGIN_SETTINGS_DEFAULT_ENABLE_MARKETPLACE)
 	}

model/config_test.go

@@ -309,14 +309,24 @@ func TestConfigDefaultNPSPluginState(t *testing.T) {
 }
 
 func TestConfigDefaultIncidentManagementPluginState(t *testing.T) {
-	t.Run("should enable IncidentManagement plugin by default", func(t *testing.T) {
+	t.Run("should enable IncidentManagement plugin by default on enterprise-ready builds", func(t *testing.T) {
+		BuildEnterpriseReady = "true"
 		c1 := Config{}
 		c1.SetDefaults()
 
 		assert.True(t, c1.PluginSettings.PluginStates["com.mattermost.plugin-incident-management"].Enable)
 	})
 
+	t.Run("should not enable IncidentManagement plugin by default on non-enterprise-ready builds", func(t *testing.T) {
+		BuildEnterpriseReady = ""
+		c1 := Config{}
+		c1.SetDefaults()
+
+		assert.Nil(t, c1.PluginSettings.PluginStates["com.mattermost.plugin-incident-management"])
+	})
+
 	t.Run("should not re-enable IncidentManagement plugin after it has been disabled", func(t *testing.T) {
+		BuildEnterpriseReady = ""
 		c1 := Config{
 			PluginSettings: PluginSettings{
 				PluginStates: map[string]*PluginState{
@@ -333,6 +343,41 @@ func TestConfigDefaultIncidentManagementPluginState(t *testing.T) {
 	})
 }
 
+func TestConfigDefaultChannelExportPluginState(t *testing.T) {
+	t.Run("should enable ChannelExport plugin by default on enterprise-ready builds", func(t *testing.T) {
+		BuildEnterpriseReady = "true"
+		c1 := Config{}
+		c1.SetDefaults()
+
+		assert.True(t, c1.PluginSettings.PluginStates["com.mattermost.plugin-channel-export"].Enable)
+	})
+
+	t.Run("should not enable ChannelExport plugin by default on non-enterprise-ready builds", func(t *testing.T) {
+		BuildEnterpriseReady = ""
+		c1 := Config{}
+		c1.SetDefaults()
+
+		assert.Nil(t, c1.PluginSettings.PluginStates["com.mattermost.plugin-channel-export"])
+	})
+
+	t.Run("should not re-enable ChannelExport plugin after it has been disabled", func(t *testing.T) {
+		BuildEnterpriseReady = ""
+		c1 := Config{
+			PluginSettings: PluginSettings{
+				PluginStates: map[string]*PluginState{
+					"com.mattermost.plugin-channel-export": {
+						Enable: false,
+					},
+				},
+			},
+		}
+
+		c1.SetDefaults()
+
+		assert.False(t, c1.PluginSettings.PluginStates["com.mattermost.plugin-channel-export"].Enable)
+	})
+}
+
 func TestTeamSettingsIsValidSiteNameEmpty(t *testing.T) {
 	c1 := Config{}
 	c1.SetDefaults()