bootstrap.sh

#!/bin/sh
#  vim:ts=4:sts=4:sw=4:et
#
#  Author: Hari Sekhon
#  Date: 2019-10-16 10:33:03 +0100 (Wed, 16 Oct 2019)
#
#  https://github.com/HariSekhon/Nagios-Plugins
#
#  License: see accompanying Hari Sekhon LICENSE file
#
#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
#  https://www.linkedin.com/in/HariSekhon
#

# Alpine / Wget:
#
#   wget -O- https://raw.githubusercontent.com/HariSekhon/Nagios-Plugins/master/setup/bootstrap.sh | sh
#
# Curl:
#
#   curl https://raw.githubusercontent.com/HariSekhon/Nagios-Plugins/master/setup/bootstrap.sh | sh

set -eu
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(dirname "$0")"

repo="https://github.com/HariSekhon/Nagios-Plugins"

directory="nagios-plugins"

sudo=""
[ "$(whoami)" = "root" ] || sudo=sudo

if [ "$(uname -s)" = Darwin ]; then
    echo "Bootstrapping on Mac OS X:  $repo"
    if ! type brew >/dev/null 2>&1; then
        curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install | $sudo ruby
    fi
elif [ "$(uname -s)" = Linux ]; then
    echo "Bootstrapping on Linux:  $repo"
    if type apk >/dev/null 2>&1; then
        $sudo apk --no-cache add bash git make curl wget
    elif type apt-get >/dev/null 2>&1; then
        if [ -n "${CI:-}" ]; then
            export DEBIAN_FRONTEND=noninteractive
        fi
        opts=""
        if [ -z "${PS1:-}" ]; then
            opts="-qq"
        fi
        $sudo apt-get update $opts
        $sudo apt-get install $opts -y git make curl wget --no-install-recommends
    elif type yum >/dev/null 2>&1; then
        if grep -qi 'NAME=.*CentOS' /etc/*release; then
            echo "CentOS EOL detected, replacing yum base URL to vault to re-enable package installs"
            $sudo sed -i 's/^[[:space:]]*mirrorlist/#mirrorlist/' /etc/yum.repos.d/CentOS-Linux-*
            $sudo sed -i 's|^#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|' /etc/yum.repos.d/CentOS-Linux-*
        fi
        $sudo yum install -y git make curl wget
    else
        echo "Package Manager not found on Linux, cannot bootstrap"
        exit 1
    fi
else
    echo "Only Mac & Linux are supported for conveniently bootstrapping all install scripts at this time"
    exit 1
fi

if [ "${srcdir##*/}" = setup ]; then
    cd "$srcdir/.."
else
    # if this is an empty directory eg. a cache mount, then remove it to get a proper checkout
    rmdir "$directory" 2>/dev/null || :
    if [ -d "$directory" ]; then
        cd "$directory"
        git pull
    else
        git clone "$repo" "$directory"
        cd "$directory"
    fi
fi

if [ -z "${NO_MAKE:-}" ]; then
    make
fi