#!/bin/sh

set -e  # Exit immediately if a command exits with a non-zero status.
set -u  # Treat unset variables as an error when substituting.

check_command() {
    if ! command -v "$1" >/dev/null
    then
        echo "Error: $1 could not be found. Please install it." >&2
        return 1
    fi
}

build_zip() {
  go build -ldflags "-s -w" -trimpath -o $2
  7z a -mx9 -sdel $1 $2
}

build_upx() {
  go build -ldflags "-s -w" -trimpath -o $1
  upx --best --lzma $1
}

check_command go
check_command 7z
check_command upx

export CGO_ENABLED=0

set -x  # Print commands and their arguments as they are executed.

GOOS=windows  GOARCH=amd64        build_zip go2rtc_win64.zip     go2rtc.exe
GOOS=windows  GOARCH=386          build_zip go2rtc_win32.zip     go2rtc.exe
GOOS=windows  GOARCH=arm64        build_zip go2rtc_win_arm64.zip go2rtc.exe

GOOS=linux    GOARCH=amd64        build_upx go2rtc_linux_amd64
GOOS=linux    GOARCH=386          build_upx go2rtc_linux_i386
GOOS=linux    GOARCH=arm64        build_upx go2rtc_linux_arm64
GOOS=linux    GOARCH=mipsle       build_upx go2rtc_linux_mipsel
GOOS=linux    GOARCH=arm GOARM=7  build_upx go2rtc_linux_arm
GOOS=linux    GOARCH=arm GOARM=6  build_upx go2rtc_linux_armv6

GOOS=darwin   GOARCH=amd64        build_zip go2rtc_mac_amd64.zip go2rtc
GOOS=darwin   GOARCH=arm64        build_zip go2rtc_mac_arm64.zip go2rtc

GOOS=freebsd  GOARCH=amd64        build_zip go2rtc_freebsd_amd64.zip go2rtc
GOOS=freebsd  GOARCH=arm64        build_zip go2rtc_freebsd_arm64.zip go2rtc