When images have been skipped and no images have been mirrored i see idms and itms are generated.
2024/05/15 15:38:25  [WARN]   : ⚠️  --v2 flag identified, flow redirected to the oc-mirror v2 version. This is Tech Preview, it is still under development and it is not production ready.
2024/05/15 15:38:25  [INFO]   : 👋 Hello, welcome to oc-mirror
2024/05/15 15:38:25  [INFO]   : ⚙️  setting up the environment for you...
2024/05/15 15:38:25  [INFO]   : 🔀 workflow mode: mirrorToMirror 
2024/05/15 15:38:25  [INFO]   : 🕵️  going to discover the necessary images...
2024/05/15 15:38:25  [INFO]   : 🔍 collecting release images...
2024/05/15 15:38:25  [INFO]   : 🔍 collecting operator images...
2024/05/15 15:38:25  [INFO]   : 🔍 collecting additional images...
2024/05/15 15:38:25  [WARN]   : [AdditionalImagesCollector] mirroring skipped : source image quay.io/cilium/cilium-etcd-operator:v2.0.7@sha256:04b8327f7f992693c2cb483b999041ed8f92efc8e14f2a5f3ab95574a65ea2dc has both tag and digest
2024/05/15 15:38:25  [WARN]   : [AdditionalImagesCollector] mirroring skipped : source image quay.io/coreos/etcd:v3.5.4@sha256:a67fb152d4c53223e96e818420c37f11d05c2d92cf62c05ca5604066c37295e9 has both tag and digest
2024/05/15 15:38:25  [INFO]   : 🚀 Start copying the images...
2024/05/15 15:38:25  [INFO]   : === Results ===
2024/05/15 15:38:25  [INFO]   : All release images mirrored successfully 0 / 0 ✅
2024/05/15 15:38:25  [INFO]   : All operator images mirrored successfully 0 / 0 ✅
2024/05/15 15:38:25  [INFO]   : All additional images mirrored successfully 0 / 0 ✅
2024/05/15 15:38:25  [INFO]   : 📄 Generating IDMS and ITMS files...
2024/05/15 15:38:25  [INFO]   : /app1/knarra/customertest1/working-dir/cluster-resources/idms-oc-mirror.yaml file created
2024/05/15 15:38:25  [INFO]   : 📄 Generating CatalogSource file...
2024/05/15 15:38:25  [INFO]   : mirror time     : 715.644µs
2024/05/15 15:38:25  [INFO]   : 👋 Goodbye, thank you for using oc-mirror
[fedora@preserve-fedora36 knarra]$ ls -l /app1/knarra/customertest1/working-dir/cluster-resources/idms-oc-mirror.yaml
-rw-r--r--. 1 fedora fedora 0 May 15 15:38 /app1/knarra/customertest1/working-dir/cluster-resources/idms-oc-mirror.yaml
[fedora@preserve-fedora36 knarra]$ cat /app1/knarra/customertest1/working-dir/cluster-resources/idms-oc-mirror.yaml

    

     4.16 oc-mirror
    

     Always
    

    1. Use the following imageSetConfig.yaml and run command `./oc-mirror --v2 -c /tmp/bug331961.yaml --workspace file:///app1/knarra/customertest1 docker://localhost:5000/bug331961 --dest-tls-verify=false`


   
cat /tmp/imageSetConfig.yaml
kind: ImageSetConfiguration
apiVersion: mirror.openshift.io/v2alpha1
mirror:
   additionalImages:
   - name: quay.io/cilium/cilium-etcd-operator:v2.0.7@sha256:04b8327f7f992693c2cb483b999041ed8f92efc8e14f2a5f3ab95574a65ea2dc
   - name: quay.io/coreos/etcd:v3.5.4@sha256:a67fb152d4c53223e96e818420c37f11d05c2d92cf62c05ca5604066c37295e9

    Nothing will be mirrored and the images listed will be skipped as these images has both tag and digest but i see idms and itms empty files being generated
    

     If nothing is mirrored, idms and itms files should not be generated.
    

    https://issues.redhat.com/browse/OCPBUGS-33196