Check component names (that they do exist) before publish switching. #192

cmd/publish_switch.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"fmt"
 	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/utils"
 	"github.com/smira/commander"
 	"github.com/smira/flag"
 	"strings"
@@ -61,6 +62,10 @@ func aptlyPublishSwitch(cmd *commander.Command, args []string) error {
 	}
 
 	for i, component := range components {
+		if !utils.StrSliceHasItem(publishedComponents, component) {
+			return fmt.Errorf("unable to switch: component %s is not in published repository", component)
+		}
+
 		snapshot, err = context.CollectionFactory().SnapshotCollection().ByName(names[i])
 		if err != nil {
 			return fmt.Errorf("unable to switch: %s", err)