bootstrap-sudo-linux-alpine

#!/usr/bin/env bash
set -euo pipefail

YP_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
source ${YP_DIR}/sh/common.inc.sh
source ${YP_DIR}/sh/package-managers/apk.inc.sh

if [[ "${EUID}" != "0" ]]; then
    echo_info "EUID=${EUID}"
    [[ -n "${YP_SUDO}" ]] || {
        echo_info "YP_SUDO=${YP_SUDO}"
        echo_err "Restarting this shell script as root is impossible."
        exit 1
    }
    echo_warn "Restarting this shell script as root."
    exe ${YP_SUDO} --preserve-env --set-home ${BASH_SOURCE[0]}
    exit 0
fi

# keep in sync with dockerfiles/yp-alpine/Dockerfile.build.sh
echo_do "Setup apk..."
apk_update

apk_install_one ca-certificates
apk_install_one gnupg

apk_install_one git
apk_install_one openssl
apk_install_one openssh-client
apk_install_one sudo
echo_done

# Basic
echo_do "apk: Installing basic packages..."
apk_install_one build-base # as per homebrew-install
apk_install_one coreutils
apk_install_one findutils
apk_install_one util-linux

apk_install_one bash
apk_install_one curl
apk_install_one file
apk_install_one python3

# NOTE homebrew alpine deps as per https://github.com/Linuxbrew/docker/blob/2c7ecfe/alpine/Dockerfile
# NOTE skipping libc6-compat since it conflicts with the glibc installation below
for f in bash coreutils curl file g++ grep git make sudo; do
    apk_install_one ${f}
done
# NOTE homebrew needs ruby 2.6, which last existed in alpine 3.11
# NOTE expecting ruby 2.6 preinstalled e.g. from https://hub.docker.com/_/ruby
exe_and_grep_q "ruby --version | head -1" "^ruby 2\.6\."

# NOTE install glibc as required by homebrew, it also sets up locales
# NOTE using glibc on alpine is not recommended!
# see https://github.com/sgerrand/alpine-pkg-glibc
# see https://ariadne.space/2021/08/26/there-is-no-such-thing-as-a-glibc-based-alpine-image/
(
    cd $(mktemp -d -t yplatform.XXXXXXXXXX)
    curl -qfsSL -o /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub
    # shellcheck disable=SC1091
    GLIBC_VSN=$(source ${YP_DIR}/CONST.inc && echo "${YP_ALPINE_PKG_GLIBC_VSN}")
    curl -qfsSL -O \
        https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VSN}/glibc-${GLIBC_VSN}.apk
    curl -qfsSL -O \
        https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VSN}/glibc-bin-${GLIBC_VSN}.apk
    curl -qfsSL -O \
        https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VSN}/glibc-i18n-${GLIBC_VSN}.apk
    apk add glibc-${GLIBC_VSN}.apk glibc-bin-${GLIBC_VSN}.apk glibc-i18n-${GLIBC_VSN}.apk
    rm glibc-${GLIBC_VSN}.apk glibc-bin-${GLIBC_VSN}.apk glibc-i18n-${GLIBC_VSN}.apk

    sed -i "s|/usr/bin/bash|/bin/bash|g" /usr/glibc-compat/bin/*
    /usr/glibc-compat/bin/localedef -i en_US -f UTF-8 en_US.UTF-8
    echo "export LANG=en_US.UTF-8" >/etc/profile.d/locale.sh
)

# NOTE fixes for 'brew install perl'
apk_install_one expat
apk_install_one expat-dev
[[ -e /usr/include/xlocale.h ]] || ln -s /usr/include/locale.h /usr/include/xlocale.h

# scripts tend to call /usr/bin/pyhon to intend calling python2 or python3, whichever is available
[[ -e /usr/bin/python ]] || ln -s /usr/bin/python3 /usr/bin/python
echo_done

apk_list_installed