#!/usr/bin/env bash
# Bash3 Boilerplate. Copyright (c) 2014, kvz.io

set -o errexit
set -o pipefail
set -o nounset
# set -o xtrace

trap 'echo -e "Aborted, error $? in command: $BASH_COMMAND"; trap ERR; exit 1' ERR

# Set magic variables for current file & dir
__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
__file="${__dir}/$(basename "${BASH_SOURCE[0]}")"
__base="$(basename "${__file}" .sh)"
__root="$(cd "$(dirname "${__dir}")" && pwd)" # <-- change this as it depends on your app

arg1="${1:-}"

# trap 'echo Signal caught, cleaning up >&2; cd /tmp; /bin/rm -rfv "$TMP"; exit 15' 1 2 3 15
# allow command fail:
# fail_command || true

# shellcheck disable=SC1091
source version.env
# shellcheck disable=SC1091
[[ -f version-local.env ]] && source version-local.env

OPENSSHMIR=https://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable
OPENSSLMIR=https://www.openssl.org/source/
ASKPASSMIR=https://src.fedoraproject.org/repo/pkgs/openssh/x11-ssh-askpass-1.2.4.1.tar.gz/8f2e41f3f7eaa8543a2440454637f3c3
PERLMIR=https://www.cpan.org/src/5.0

LATEST_OPENSSH() {
	curl -s "$OPENSSHMIR/" 2>/dev/null \
		| grep -o 'openssh-[0-9.]*p[0-9]*\.tar\.gz' \
		| sed 's/openssh-//; s/\.tar\.gz//' \
		| sort -Vu | tail -1 || true
}

if [[ $arg1 == "--latest" ]]; then
	latest=$(LATEST_OPENSSH)
	# shellcheck disable=SC2153
	current="${OPENSSHVER}"
	echo "Current version: $current"
	echo "Latest  version: $latest"
	if [[ "$latest" == "$current" ]]; then
		echo "Already up to date."
	else
		echo "NEW VERSION AVAILABLE: $latest"
	fi
	exit 0
fi

mkdir -p downloads
pushd downloads
if [[ ! -f $OPENSSLSRC && ${DOCKERBUILD:-0} == 0 ]]; then
	echo "Get:" "$OPENSSLMIR"/"$OPENSSLSRC"
	wget --no-check-certificate "$OPENSSLMIR"/"$OPENSSLSRC" \
		|| echo "!!! Please download $OPENSSLSRC in $PWD by yourself."
fi

if [[ ! -f $OPENSSHSRC && ${DOCKERBUILD:-0} == 0 ]]; then
	echo Get: "$OPENSSHMIR"/"$OPENSSHSRC"
	wget --no-check-certificate "$OPENSSHMIR"/"$OPENSSHSRC" \
		|| echo "!!! Please download $OPENSSHSRC in $PWD by yourself."
fi

if [[ ! -f $ASKPASSSRC && ${DOCKERBUILD:-0} == 0 ]]; then
	echo Get: "$ASKPASSMIR"/"$ASKPASSSRC"
	wget --no-check-certificate "$ASKPASSMIR"/"$ASKPASSSRC" \
		|| echo "!!! Please download $ASKPASSSRC in $PWD by yourself."
fi

if [[ ${DOCKERBUILD:-0} == 1 && ! -f $PERLSRC ]]; then
	echo Get: "$PERLMIR"/"$PERLSRC"
	wget --no-check-certificate "$PERLMIR"/"$PERLSRC" \
		|| echo "!!! Please download $PERLSRC in $PWD by yourself."
fi