kurz/cmd/kurzd/migrate_down.go

package main

import (
	"code.osinet.fr/fgm/kurz/infrastructure"
	"os"

	_ "code.osinet.fr/fgm/kurz/migrations"
	"github.com/pressly/goose"
	"github.com/spf13/cobra"
)

var cmdMigrateDown = &cobra.Command{
	Args:  cobra.NoArgs,
	Long:  "Roll back the latest applied Kurz schema migration. Kurz version of 'goose down'.",
	Run:   migrateDownHandler,
	Short: "Roll back latest migration",
	Use:   "down",
}

func init() {
	cmdMigrate.AddCommand(cmdMigrateDown)
}

// migrateDownHandler implements the "kurzd migrate down" command.
func migrateDownHandler(_ *cobra.Command, args []string) {
	dbDriver, dbDsn := infrastructure.ParseDbCred()
	db, err := infrastructure.DbDial(dbDriver, dbDsn)
	if err != nil {
		panic(err)
	}
	defer db.Close()

	cwd, err := os.Getwd()
	if err != nil {
		panic(err)
	}

	goose.SetDialect(dbDriver)
	goose.Down(db, cwd)
}