Old image lost on image pull #46866
Description
Description
When a docker pull updates an image we are losing the old image.
Reproduce
$ docker pull debian:oldstable-20200514
$ docker tag debian:oldstable-20200514 debian:stable
$ docker image rm -f debian:oldstable-20200514
$ docker pull debian:stable
$ docker imagesWith graph drivers the last command shows
REPOSITORY TAG IMAGE ID CREATED SIZE
debian stable c505deff3653 8 days ago 139MB
debian <none> 476d4a705c2f 3 years ago 95.8MBAnd with containerd we end up with
REPOSITORY TAG IMAGE ID CREATED SIZE
debian stable ed69ce2733ba 8 days ago 205MBThe old image was lost.
Expected behavior
After the second pull the old image should still be present
docker version
masterdocker info
masterAdditional Info
No response