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Fix trying to create a backup if there's no DB

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This commit is contained in:
Ingo Oppermann
2022-11-09 13:20:34 +01:00
parent 6f36f1aa51
commit 0d74eeab8e
1 changed files with 11 additions and 7 deletions
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18
app/ffmigrate/main.go
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@@ -88,22 +88,26 @@ func doMigration(logger log.Logger, configstore cfgstore.Store) error {
return fmt.Errorf("unsupported FFmpeg version found: %w", err)
}
// Check if there's a DB file
dbFilepath := cfg.DB.Dir + "/db.json"
if _, err = os.Stat(dbFilepath); err != nil {
// There's no DB to backup
logger.Info().WithField("db", dbFilepath).Log("Database not found. Migration not required")
return nil
}
// Check if we already have a backup
backupFilepath := cfg.DB.Dir + "/db_ff4.json"
if _, err := os.Stat(backupFilepath); err == nil {
if _, err = os.Stat(backupFilepath); err == nil {
// Yes, we have a backup. The migration already happened
logger.Info().WithField("backup", backupFilepath).Log("Migration already done")
return nil
}
if err != nil && !os.IsNotExist(err) {
logger.Error().WithError(err).Log("Checking for backup file failed")
return fmt.Errorf("checking for backup file failed: %w", err)
}
// Create a backup
if err := file.Copy(cfg.DB.Dir+"/db.json", backupFilepath); err != nil {
if err := file.Copy(dbFilepath, backupFilepath); err != nil {
logger.Error().WithError(err).Log("Creating backup file failed")
return fmt.Errorf("creating backup file failed: %w", err)
}