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#!/bin/bash
# Orignally copied from https://stackoverflow.com/a/39454426/7051075
if [ $# -lt 1 ]
then
cat << HELP
dktags -- list all tags for a Docker image on a remote registry.
EXAMPLE:
- list all tags for ubuntu:
dktags ubuntu
- list all php tags containing apache:
dktags php apache
HELP
fi
image="$1"
tags=`wget -q https://registry.hub.docker.com/v1/repositories/${image}/tags -O - | sed -e 's/[][]//g' -e 's/"//g' -e 's/ //g' | tr '}' '\n' | awk -F: '{print $3}'`
if [ -n "$2" ]
then
tags=` echo "${tags}" | grep "$2" `
fi
echo "${tags}"
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