README.md

Issue for mutate.Rebase with foreign layers

repro.sh

#!/bin/bash
set -o errexit -o pipefail -o nounset

# standup local registry in linux container
docker rm -f local-registry
docker run --name local-registry -p5000:5000 -d registry:2

# get specific image manifest
oldNanoserverDigest=$(crane manifest mcr.microsoft.com/windows/nanoserver:1803 2>/dev/null | jq -r .manifests[0].digest)
newNanoserverDigest=$(crane manifest mcr.microsoft.com/windows/nanoserver:1809 2>/dev/null | jq -r .manifests[0].digest)

oldNanoserverManifest="mcr.microsoft.com/windows/nanoserver@$oldNanoserverDigest"
newNanoserverManifest="mcr.microsoft.com/windows/nanoserver@$newNanoserverDigest"

golangOldNanoserverDigest=$(crane manifest golang:nanoserver-1803 2>/dev/null | jq -r .manifests[0].digest)
golangOldNanoserverManifest="index.docker.io/library/golang@$golangOldNanoserverDigest"

crane rebase \
  --original $golangOldNanoserverManifest \
  --rebased  localhost:5000/golang-nanoserver-1809 \
  --old_base $oldNanoserverManifest \
  --new_base $newNanoserverManifest