
#!/bin/bash
function usage() {
cat << HELP
dockertags -- list all tags for a Docker image on a remote registry.
EXAMPLE:
- list all tags for ubuntu:
dockertags ubuntu
- list all php tags containing apache:
dockertags php apache
HELP
}
if [ # -lt 1 ]; then
usage
exit
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: '{print3}'`
if [ -n "2" ]; then
tags=` echo "{tags}" | grep "2" `
fi
echo "{tags}"