Add --os to manifest add

Add --os to manifest add for overriding the os field.

Signed-off-by: Qi Wang <qiwan@redhat.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/libpod/image/manifests.go b/libpod/image/manifests.go
index 9dbeb4cc5..7ca17f86c 100644
--- a/libpod/image/manifests.go
+++ b/libpod/image/manifests.go
@@ -19,6 +19,7 @@ type ManifestAddOpts struct {
 	Arch       string            `json:"arch"`
 	Features   []string          `json:"features"`
 	Images     []string          `json:"images"`
+	OS         string            `json:"os"`
 	OSVersion  string            `json:"os_version"`
 	Variant    string            `json:"variant"`
 }
@@ -86,6 +87,11 @@ func addManifestToList(ref types.ImageReference, list manifests.List, systemCont
 	if err != nil {
 		return nil, err
 	}
+	if opts.OS != "" {
+		if err := list.SetOS(d, opts.OS); err != nil {
+			return nil, err
+		}
+	}
 	if len(opts.OSVersion) > 0 {
 		if err := list.SetOSVersion(d, opts.OSVersion); err != nil {
 			return nil, err