goose/fix.go

45 lines
850 B
Go

package goose
import (
"fmt"
"os"
"strings"
)
func Fix(dir string) error {
migrations, err := CollectMigrations(dir, minVersion, maxVersion)
if err != nil {
return err
}
// split into timestamped and versioned migrations
tsMigrations, err := migrations.timestamped()
if err != nil {
return err
}
vMigrations, err := migrations.versioned()
if err != nil {
return err
}
// Initial version.
version := int64(1)
if last, err := vMigrations.Last(); err == nil {
version = last.Version + 1
}
// fix filenames by replacing timestamps with sequential versions
for _, tsm := range tsMigrations {
oldPath := tsm.Source
newPath := strings.Replace(oldPath, fmt.Sprintf("%d", tsm.Version), fmt.Sprintf("%05v", version), 1)
if err := os.Rename(oldPath, newPath); err != nil {
return err
}
version++
}
return nil
}