#!/usr/bin/env bash

# This script packages a Windows installer for Coder containing the given

# binary.

#

# Usage: ./build_windows_installer.sh --output "path/to/installer.exe" [--version 1.2.3] [--agpl] path/to/binary.exe

#

# Only amd64 binaries are supported.

#

# If no version is specified, defaults to the version from ./version.sh.

#

# If the --agpl parameter is specified, only the AGPL license is included in the

# installer.

set -euo pipefail

# shellcheck source=scripts/lib.sh

source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"

agpl="${CODER_BUILD_AGPL:-0}"

output_path=""

version=""

args="$(getopt -o "" -l agpl,output:,version: -- "$@")"

eval set -- "$args"

while true; do

case "$1" in

--agpl)

agpl=1

shift

;;

--output)

mkdir -p "$(dirname "$2")"

output_path="$(realpath "$2")"

shift 2

;;

--version)

version="$2"

shift 2

;;

--)

shift

break

;;

*)

error "Unrecognized option: $1"

;;

esac

done

if [[ "$output_path" == "" ]]; then

error "--output is a required parameter"

fi

if [[ "$#" != 1 ]]; then

error "Exactly one argument must be provided to this script, $# were supplied"

fi

if [[ ! -f "$1" ]]; then

error "File '$1' does not exist or is not a regular file"

fi

input_file="$(realpath "$1")"

version="${version#v}"

if [[ "$version" == "" ]]; then

version="$(execrelative ./version.sh)"

fi

# Remove the "v" prefix and ensure the version is in the format X.X.X.X for

# makensis.

nsis_version="${version//-*/}"

# Each component of a version must be a 16 bit integer, so we can't store any

# useful information like build date or commit SHA in the 4th component.

nsis_version+=".0"

# Check dependencies

dependencies makensis

# Make a temporary dir where all source files intended to be in the installer

# will be hardlinked/copied to.

cdroot

temp_dir="$(TMPDIR="$(dirname "$input_file")" mktemp -d)"

mkdir -p "$temp_dir/bin"

ln "$input_file" "$temp_dir/bin/coder.exe"

cp "$(realpath scripts/win-installer/installer.nsi)" "$temp_dir/installer.nsi"

cp "$(realpath scripts/win-installer/path.nsh)" "$temp_dir/path.nsh"

cp "$(realpath scripts/win-installer/coder.ico)" "$temp_dir/coder.ico"

cp "$(realpath scripts/win-installer/banner.bmp)" "$temp_dir/banner.bmp"

# Craft a license document by combining the AGPL license and optionally the

# enterprise license.

license_path="$temp_dir/license.txt"

if [[ "$agpl" == 0 ]]; then

cat <<-EOF >"$license_path"

This distribution of Coder includes some enterprise-licensed code which is not

licensed under the AGPL license:

$(sed 's/^/ /' "$(realpath LICENSE.enterprise)")

The non-enterprise code in this distribution is licensed under the AGPL license:

$(sed 's/^/ /' "$(realpath LICENSE)")

EOF

else

cat <<-EOF >"$license_path"

This distribution of Coder is free software and is licensed under the AGPL

license:

$(sed 's/^/ /' "$(realpath LICENSE)")

EOF

fi

# Run makensis to build the installer.

pushd "$temp_dir"

makensis \

-V4 \

-DCODER_VERSION="$version" \

-DCODER_NSIS_VERSION="$nsis_version" \

-DCODER_YEAR="$(date +%Y)" \

installer.nsi

popd

# Copy the installer to the output path.

cp "$temp_dir/installer.exe" "$output_path"

rm -rf "$temp_dir"