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reset.go
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reset.go
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package cmd
import (
"os"
"github.com/gobuffalo/pop"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var resetOptions = struct {
all bool
input string
}{}
var resetCmd = &cobra.Command{
Use: "reset",
Short: "Drop, then recreate databases",
RunE: func(cmd *cobra.Command, args []string) error {
var schema *os.File
useMigrations := false
if _, err := os.Stat(resetOptions.input); err == nil {
schema, err = os.Open(resetOptions.input)
if err != nil {
return err
}
defer schema.Close()
} else {
// Fallback to migrations
useMigrations = true
}
if all {
for _, conn := range pop.Connections {
if err := doReset(conn, schema, useMigrations); err != nil {
return err
}
}
} else {
c := getConn()
if err := doReset(c, schema, useMigrations); err != nil {
return err
}
}
return nil
},
}
func init() {
resetCmd.Flags().BoolVarP(&resetOptions.all, "all", "a", false, "Drops and recreate all of the databases in the database.yml")
resetCmd.Flags().StringVarP(&resetOptions.input, "input", "i", "schema.sql", "The path to the schema file you want to load")
RootCmd.AddCommand(resetCmd)
}
func doReset(c *pop.Connection, f *os.File, useMigrations bool) error {
if err := pop.DropDB(c); err != nil {
return err
}
if err := pop.CreateDB(c); err != nil {
return err
}
mig, err := pop.NewFileMigrator(migrationPath, getConn())
if err != nil {
return errors.WithStack(err)
}
if useMigrations {
// Apply the migrations directly
return mig.Up()
}
// Otherwise, use schema instead
if err := c.Dialect.LoadSchema(f); err != nil {
return err
}
// Then load migrations entries, without applying them
return mig.UpLogOnly()
}