github.com/mmrath/gobase@v0.0.1/apps/db_migration/cmd/rollback_migration.go (about)

     1  // Copyright © 2018 NAME HERE <EMAIL ADDRESS>
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package cmd
    16  
    17  import (
    18  	"fmt"
    19  
    20  	_ "github.com/golang-migrate/migrate/v4/database/postgres"
    21  	_ "github.com/golang-migrate/migrate/v4/source/github"
    22  	"github.com/mmrath/gobase/apps/db_migration/app"
    23  	"github.com/spf13/cobra"
    24  )
    25  
    26  // rollback_migration represents the upgradeDb command
    27  var rollbackMigration = &cobra.Command{
    28  	Use:   "rollback",
    29  	Short: "Rollback DB to the previous version",
    30  	Long:  `Rollback DB to the previous version by applying down migrations`,
    31  	Run: func(cmd *cobra.Command, args []string) {
    32  		err := app.Rollback()
    33  		if err != nil {
    34  			fmt.Printf("Error in rollback step: %s", err)
    35  		}
    36  	},
    37  }
    38  
    39  func init() {
    40  	rootCmd.AddCommand(rollbackMigration)
    41  }