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package db
import (
"fmt"
"net/http"
"time"
"github.com/boltdb/bolt"
)
// Backup writes a snapshot of the system.db database to an HTTP response
func Backup(res http.ResponseWriter) error {
err := store.View(func(tx *bolt.Tx) error {
ts := time.Now().Unix()
disposition := `attachment; filename="system-%d.db.bak"`
res.Header().Set("Content-Type", "application/octet-stream")
res.Header().Set("Content-Disposition", fmt.Sprintf(disposition, ts))
res.Header().Set("Content-Length", fmt.Sprintf("%d", int(tx.Size())))
_, err := tx.WriteTo(res)
return err
})
return err
}
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