#!/bin/bash
# Copyright 2019 Google LLC.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived from this
#    software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# This script is used to install `singularity` 3.7.0.
# It has been tested on Ubutun 20.04.
# For different Linux distributions and versions, modifications might be needed.
# Installation instructions are from: https://sylabs.io/docs/

set -euo pipefail

sudo apt-get update && sudo apt-get install -y \
  build-essential \
  libssl-dev \
  uuid-dev \
  libgpgme11-dev \
  squashfs-tools \
  libseccomp-dev \
  wget \
  pkg-config \
  git

export VERSION=1.15.6 OS=linux ARCH=amd64
# Downloads the required Go package
wget https://dl.google.com/go/go$VERSION.$OS-$ARCH.tar.gz
# Extracts the archive
sudo tar -C /usr/local -xzvf go$VERSION.$OS-$ARCH.tar.gz
# Deletes the ``tar`` file
rm go$VERSION.$OS-$ARCH.tar.gz

export VERSION=3.7.0
wget https://github.com/hpcng/singularity/releases/download/v${VERSION}/singularity-${VERSION}.tar.gz
tar -xzf singularity-${VERSION}.tar.gz
pushd singularity
export PATH=/usr/local/go/bin:$PATH

./mconfig
make -C builddir
sudo make -C builddir install

# Returns to the original directory.
popd