list-images.sh

#!/bin/sh

CURL="curl -s --cacert ${HOME}/.local/etc/pki/ca/ca.crt"
REGISTRY='https://docker-registry.svc.internal.readonly.xyz/v2'

listImages()
{
    repo="$1"

    tags=$(${CURL} "${REGISTRY}/${repo}/tags/list" | jq -r '.tags[]')
    echo "${repo}:"
    echo "${tags}" | sed 's/ /\n/'
    echo
}

repo="$1"

if [ -n "${repo}" ]; then
    listImages "${repo}"
else
    repos=$(${CURL} "${REGISTRY}/_catalog" | jq -r '.repositories[]')
    for r in ${repos}; do
        listImages "${r}"
    done
fi