added minimal image checker

cmd/mstorectl/imagecmd/checkimgs.go

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ */
+package imagecmd
+
+import (
+	"context"
+	"time"
+
+	"github.com/spf13/cobra"
+
+	"mstore/pkg/repocli"
+)
+
+// CheckImages
+type CheckImagesParams struct {
+	Imagepath string
+}
+
+type CheckImagesResult struct {
+	Repos []string `json:"repos"`
+}
+
+func (util *ImageUtil) CheckImages(cmd *cobra.Command, args []string) {
+	util.checkImagesParams.Imagepath = args[0]
+	res, err := util.checkImages(&util.commonImageParams, &util.checkImagesParams)
+	printResponse(res, err)
+}
+
+func (util *ImageUtil) checkImages(common *CommonImageParams, params *CheckImagesParams) (*CheckImagesResult, error) {
+	var err error
+	res := &CheckImagesResult{
+		Repos: make([]string, 0),
+	}
+	timeout := time.Duration(common.Timeout) * time.Second
+	ctx, _ := context.WithTimeout(context.Background(), timeout)
+
+	ref, err := repocli.NewReferer(params.Imagepath)
+	if err != nil {
+		return res, err
+	}
+	ref.SetUserinfo(common.Username, common.Password)
+	mw := repocli.NewBasicAuthMiddleware(ref.Userinfo())
+	cli := repocli.NewClient(nil, mw)
+	opres, err := cli.CheckImages(ctx, ref.Raw())
+	if err != nil {
+		return res, err
+	}
+	res.Repos = opres
+	return res, err
+}