Write image.json into a directory

default.nix

@@ -56,22 +56,22 @@ let
 
   copyToDockerDaemon = image: writeSkopeoApplication "copy-to-docker-daemon" ''
     echo "Copy to Docker daemon image ${image.imageName}:${image.imageTag}"
-    skopeo --insecure-policy copy nix:${image} docker-daemon:${image.imageName}:${image.imageTag} $@
+    skopeo --insecure-policy copy nix:${image}/image.json docker-daemon:${image.imageName}:${image.imageTag} $@
   '';
 
   copyToRegistry = image: writeSkopeoApplication "copy-to-registry" ''
     echo "Copy to Docker registry image ${image.imageName}:${image.imageTag}"
-    skopeo --insecure-policy copy nix:${image} docker://${image.imageName}:${image.imageTag} $@
+    skopeo --insecure-policy copy nix:${image}/image.json docker://${image.imageName}:${image.imageTag} $@
   '';
 
   copyTo = image: writeSkopeoApplication "copy-to" ''
     echo Running skopeo --insecure-policy copy nix:${image} $@
-    skopeo --insecure-policy copy nix:${image} $@
+    skopeo --insecure-policy copy nix:${image}/image.json $@
   '';
 
   copyToPodman = image: writeSkopeoApplication "copy-to-podman" ''
     echo "Copy to podman image ${image.imageName}:${image.imageTag}"
-    skopeo --insecure-policy copy nix:${image} containers-storage:${image.imageName}:${image.imageTag}
+    skopeo --insecure-policy copy nix:${image}/image.json containers-storage:${image.imageName}:${image.imageTag}
     skopeo --insecure-policy inspect containers-storage:${image.imageName}:${image.imageTag}
   '';
 
@@ -448,7 +448,7 @@ let
           then tag
           else
           l.head (l.strings.splitString "-" (baseNameOf image.outPath));
-      in pkgs.runCommand "image-${baseNameOf name}.json"
+      in pkgs.runCommand "image-${baseNameOf name}"
       {
         inherit imageName meta;
         passthru = {
@@ -464,8 +464,9 @@ let
         };
       }
       ''
+        mkdir $out
         ${nix2container-bin}/bin/nix2container image \
-        $out \
+        $out/image.json \
         ${fromImageFlag} \
         ${configFile} \
         ${layerPaths}