Add db import cmd (#99)

Signed-off-by: Benji Visser <benji@093b.org>

cmd/db_import.go

@@ -0,0 +1,35 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"github.com/xeol-io/xeol/internal"
+	"github.com/xeol-io/xeol/xeol/db"
+)
+
+var dbImportCmd = &cobra.Command{
+	Use:   "import FILE",
+	Short: "import an EOL database archive",
+	Long:  fmt.Sprintf("import an EOL database archive from a local FILE.\nDB archives can be obtained from %q.", internal.DBUpdateURL),
+	Args:  cobra.ExactArgs(1),
+	RunE:  runDBImportCmd,
+}
+
+func init() {
+	dbCmd.AddCommand(dbImportCmd)
+}
+
+func runDBImportCmd(_ *cobra.Command, args []string) error {
+	dbCurator, err := db.NewCurator(appConfig.DB.ToCuratorConfig())
+	if err != nil {
+		return err
+	}
+
+	if err := dbCurator.ImportFrom(args[0]); err != nil {
+		return fmt.Errorf("unable to import EOL database: %+v", err)
+	}
+
+	return stderrPrintLnf("EOL database imported")
+}