Installs latest docker "desktop" buildx & compose, with support for cloud builders.

.gitignore

.env*

dockerup.sh

#! /usr/bin/env bash
#
# Installs latest docker "desktop" buildx & compose, with support for cloud builders.
#
set -o errexit
set -o nounset
set -o pipefail
set -o xtrace

PS4func() {
    local lineno="$1"
    local i f=''
    local c="\033[0;36m" y="\033[0;33m" n="\033[0m"
    local d=$((${#FUNCNAME[@]}-2))

    if [[ $lineno == 1 ]]
    then lineno=0
    fi

    for ((i=d; i>0; i--))
    do printf -v f "%s%s()" "$f" "${FUNCNAME[i]}"
    done

    printf "$y%s:%04d$c%s$n " "${BASH_SOURCE[1]##*/}" "$lineno" "$f"
}
PS4='\r$(PS4func $LINENO)'


arch=$(uname -m)
kern=$(uname -s)
kern="${kern,,}"

main() {
    chk_deps

    mkdir --parents "$HOME/.docker/cli-plugins"
    cd "$HOME/.docker"

    #get_plugin docker/buildx buildx
    get_plugin docker/buildx-desktop buildx

    #get_plugin docker/compose compose
    get_plugin docker/compose-desktop compose
}

chk_deps() {
    if ! hash jq
    then
        echo 'ERROR: missing jq.'
        echo 'To install, run this: sudo apt update && sudo apt install jq'
        exit 1
    fi >&2

    if ! hash gh
    then
        echo 'ERROR: missing gh cli.'
        echo 'To install, run this: source ~/src/sh/gh-lib.sh && ghinit && ghauth'
        exit 1
    fi >&2

    if ! gh auth status
    then
        echo 'ERROR: You should create a GitHub personal access token and set GH_TOKEN.'
        echo 'Or alternatively, you could run: gh auth login --hostname github.com'
        exit 1
    fi >&2
}

get_plugin() {
    local repo="$1"
    local name="$2"

    local ver=$(gh_rel "$repo")
    if [[ "$ver" ]]
    then
        if [[ "$arch" == "x86_64" ]]
        then local url=$(get_url_x86 "$repo" "$ver")
        elif [[ "$arch" == "aarch64" ]]
        then local url=$(get_url_arm "$repo" "$ver")
        else local url=$(get_url "$repo" "$ver")
        fi

        if [[ "$url" ]]
        then
            wget -m "$url"
            basename "$url"
            dirname "$url"
            local path="${url#*://}"
            chmod +x "$path"
            ln --symbolic --force "../$path" "$HOME/.docker/cli-plugins/docker-$name"
        fi
    fi
}

gh_rel() {
    local repo="$1"
    gh release list --repo "$repo" |awk '$2=="Latest"{print$1}'
}

get_url() {
    local repo="$1"
    local tag="$2"
    gh release view --repo "$repo" "$tag" --json assets --jq "
        .assets |map(select(.name |endswith(\"$kern-$arch\")))
    " |jq --raw-output '.[].url'
}

get_url_x86() {
    local repo="$1"
    local tag="$2"
    local url=$(get_url "$repo" "$tag")
    if [[ -z "$url" ]]
    then
        arch=amd64
        url=$(get_url "$repo" "$tag")
    fi
    echo "$url"
}

get_url_arm() {
    local repo="$1"
    local tag="$2"
    local url=$(get_url "$repo" "$tag")
    if [[ -z "$url" ]]
    then
        arch=arm64
        url=$(get_url "$repo" "$tag")
    fi
    echo "$url"
}

main
exit 0