Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/cmd/mattermost/commands/init.go

@@ -0,0 +1,54 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package commands
+
+import (
+	"github.com/spf13/cobra"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/server/channels/app"
+	"github.com/mattermost/mattermost-server/v6/server/channels/app/request"
+	"github.com/mattermost/mattermost-server/v6/server/channels/utils"
+	"github.com/mattermost/mattermost-server/v6/server/config"
+	"github.com/mattermost/mattermost-server/v6/server/platform/shared/i18n"
+)
+
+func initDBCommandContextCobra(command *cobra.Command, readOnlyConfigStore bool, options ...app.Option) (*app.App, error) {
+	a, err := initDBCommandContext(getConfigDSN(command, config.GetEnvironment()), readOnlyConfigStore, options...)
+	if err != nil {
+		// Returning an error just prints the usage message, so actually panic
+		panic(err)
+	}
+
+	a.InitPlugins(request.EmptyContext(a.Log()), *a.Config().PluginSettings.Directory, *a.Config().PluginSettings.ClientDirectory)
+	a.DoAppMigrations()
+
+	return a, nil
+}
+
+func InitDBCommandContextCobra(command *cobra.Command, options ...app.Option) (*app.App, error) {
+	return initDBCommandContextCobra(command, true, options...)
+}
+
+func initDBCommandContext(configDSN string, readOnlyConfigStore bool, options ...app.Option) (*app.App, error) {
+	if err := utils.TranslationsPreInit(); err != nil {
+		return nil, err
+	}
+	model.AppErrorInit(i18n.T)
+
+	// The option order is important as app.Config option reads app.StartMetrics option.
+	options = append(options, app.Config(configDSN, readOnlyConfigStore, nil))
+	s, err := app.NewServer(options...)
+	if err != nil {
+		return nil, err
+	}
+
+	a := app.New(app.ServerConnector(s.Channels()))
+
+	if model.BuildEnterpriseReady == "true" {
+		a.Srv().LoadLicense()
+	}
+
+	return a, nil
+}