docker-imf

#!/bin/bash
set -o errexit
set -o pipefail
set -o nounset
set -o noclobber

## Print the (first) selected line
SINGLE_SELECTION="echo {}"
## Print all selected lines, one per line
MULTI_SELECTION="printf '%s\n' {+}"

filter-image-hash() {
    awk '{ print $3 }'
}

filter-repository-tag() {
    awk '{ print $1 ":" $2 }'
}

__FZF_LIST_IMAGES="docker images"
__FZF_ARGS=(
    # TODO: What's a useful preview?
    # --preview-label="[ Image ]"
    # --preview="echo preview"
    # --preview-window="top,30%"
    --header="<enter> run   <del> delete   <ctrl-p> pull

"
    --header-lines=1

    # Run the image in docker-cwd
    --bind="enter:become(
        $(declare -f filter-image-hash)
        $SINGLE_SELECTION | filter-image-hash | xargs -o docker-cwd
    )"

    # Delete
    --bind="del:execute(
        $(declare -f filter-image-hash)
        $MULTI_SELECTION | filter-image-hash | xargs docker rmi
    )+reload($__FZF_LIST_IMAGES)"

    # Pull
    --bind="ctrl-p:become(
        $(declare -f filter-repository-tag)
        $MULTI_SELECTION | filter-repository-tag | xargs --max-lines=1 docker pull
    )"

    # Retag
    # TODO: How to input the new name?
    # --bind="ctrl-t:execute(
    # )+reload($__FZF_LIST_IMAGES)"
)

if ! $__FZF_LIST_IMAGES | fzf \
    --ansi \
    --no-sort \
    --reverse \
    --exit-0 \
    --multi \
    "${__FZF_ARGS[@]}"; then

    # 130 means user exit
    if [[ $? -eq 130 ]]; then
        true
    fi
fi