Install script for the s6 supervision suite.

install-s6.sh

#!/bin/bash
# Based on https://raw.githubusercontent.com/cburki/docker-s6builder/master/scripts/build.sh
# hence GNU GENERAL PUBLIC LICENSE Version 3

set -o errexit
trap 'echo ERROR: exiting on error' ERR

SRC_DIR=/tmp/$(basename $0)-$$
trap 'rm -rf $SRCDIR' EXIT
mkdir -p ${SRC_DIR}

DIST_DIR=/
mkdir -p ${DIST_DIR}

SKALIBS_VERSION=2.5.0.0
EXECLINE_VERSION=2.3.0.0
S6_VERSION=2.5.0.0

function download_archives {

    cd ${SRC_DIR}
    curl -O http://skarnet.org/software/skalibs/skalibs-${SKALIBS_VERSION}.tar.gz
    curl -O http://skarnet.org/software/execline/execline-${EXECLINE_VERSION}.tar.gz
    curl -O http://skarnet.org/software/s6/s6-${S6_VERSION}.tar.gz
}

function build_skalibs {

    cd ${SRC_DIR}
    tar zxvf skalibs-${SKALIBS_VERSION}.tar.gz
    cd skalibs-${SKALIBS_VERSION}
    ./configure --prefix=${DIST_DIR} --enable-static --disable-shared
    make
    sudo make install
}

function build_execline {

    cd ${SRC_DIR}
    tar zxvf execline-${EXECLINE_VERSION}.tar.gz
    cd execline-${EXECLINE_VERSION}
    ./configure --prefix=${DIST_DIR} --with-include=${DIST_DIR}/include/ --with-lib=${DIST_DIR}/lib/skalibs/ --enable-static --disable-shared
    make
    sudo make install
}

function build_s6 {

    cd ${SRC_DIR}
    tar zxvf s6-${S6_VERSION}.tar.gz
    cd s6-${S6_VERSION}
    ./configure --prefix=${DIST_DIR} --with-include=${DIST_DIR}/include/ --with-lib=${DIST_DIR}/lib/skalibs --with-lib=${DIST_DIR}/lib/execline --enable-static --disable-shared
    make
    sudo make install
}


# Build
download_archives
build_skalibs
build_execline
build_s6