mysqldump password requires = on argument

tasks.go

@@ -124,7 +124,7 @@ func (t JobTaskMySQL) GetPreTask() ExecutableTask {
 	}
 
 	if t.Password != "" {
-		command = append(command, "--password", t.Password)
+		command = append(command, fmt.Sprintf("--password=%s", t.Password))
 	}
 
 	if t.NoTablespaces {

tasks_test.go

@@ -160,7 +160,7 @@ func TestJobTaskSql(t *testing.T) {
 			},
 			validationErr: nil,
 			preBackup: "mysqldump --result-file ./simple.sql --host host --port 3306" +
-				" --user user --password pass --no-tablespaces db table1 table2",
+				" --user user --password=pass --no-tablespaces db table1 table2",
 			postBackup:  "",
 			preRestore:  "",
 			postRestore: "mysql --host host --user user --password pass < ./simple.sql",