tag: Support tagging manifest list instead of resolving to images

Following commit makes sure when `buildah tag` is invoked on a manifest list, it tags the same manifest list instead of resolving image and tagiing it. [NO TESTS NEEDED] Signed-off-by: flouthoc <[email protected]>
containers · Aug 27, 2021 · d936163 · d936163
1 parent a20b5f4
commit d936163
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Showing 2 changed files with 14 additions and 3 deletions.
diff --git a/cmd/buildah/tag.go b/cmd/buildah/tag.go
@@ -35,7 +35,9 @@ func tagCmd(c *cobra.Command, args []string) error {
 		return err
 	}
 
-	image, _, err := runtime.LookupImage(args[0], nil)
+	// Allow tagging manifest list instead of resolving instances from manifest
+	lookupOptions := &libimage.LookupImageOptions{ReturnManifestIfPresent: true}
+	image, _, err := runtime.LookupImage(args[0], lookupOptions)
 	if err != nil {
 		return err
 	}

diff --git a/vendor/github.com/containers/common/libimage/runtime.go b/vendor/github.com/containers/common/libimage/runtime.go