#!/bin/bash

image_tag () {

local DIR
DIR=$(cd "$(dirname "$BASH_SOURCE")" >/dev/null 2>&1 ; pwd -P )

# tags an image 
#  -d -f  <imagetag or id>  <newimagetag>

[[ $# -lt 1 ]] && echo "image base name required" && exit 


[[ $1 == "-d" ]] && delete=true && shift 1
[[ $1 == "-f" ]] && force=true && shift 1
[[  $1 == "-i" ]] && { shift 1; id=$1; } || id=$(image_id $1)

[[ ! $id ]] && { echo "no image with id $id $(make_tag "@")"; return 1; }   


[[ $force ]] && docker rmi -f $id && return 0

if [[ $delete ]];then
  docker rmi $id 
else
docker tag $id  $(make_tag $2)
fi
echo tags after operation for image $id
image_info -k RepoTags $id
}