goose/fix.go

55 lines
1.1 KiB
Go

package goose
import (
"fmt"
"os"
"path/filepath"
"strings"
)
const seqVersionTemplate = "%05v"
func Fix(dir string) error {
// always use osFS here because it's modifying operation
migrations, err := collectMigrationsFS(osFS{}, dir, minVersion, maxVersion, registeredGoMigrations)
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(seqVersionTemplate, version),
1,
)
if err := os.Rename(oldPath, newPath); err != nil {
return err
}
log.Printf("RENAMED %s => %s", filepath.Base(oldPath), filepath.Base(newPath))
version++
}
return nil
}