From 7dddb91504c48260cc6b3f10621f4216be41338e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julian=20M=C3=BCller=20=28ChaoticByte=29?=
 <contact@chaoticbyte.net>
Date: Mon, 16 Oct 2023 17:53:55 +0200
Subject: [PATCH] Added build script that cross-compiles, set minimal go
 version to 1.21 and updated README

---
 README.md |  7 +++++--
 build.sh  | 15 +++++++++++++++
 go.mod    |  2 +-
 3 files changed, 21 insertions(+), 3 deletions(-)
 create mode 100755 build.sh

diff --git a/README.md b/README.md
index 600c717..e584424 100644
--- a/README.md
+++ b/README.md
@@ -14,9 +14,12 @@ This software queries the APIs of these services for new security notices and se
 
 This Software only supports Linux.
 
-# Usage
+# Build
 
-After building the application using `go build`, run
+To cross-compile the software for `i386`, `amd64`, `arm` and `arm64`, run `build.sh`.  
+You need a go version >= 1.21 and git.
+
+# Usage
 
 ```bash
 ./wid-notifier <configfile>
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..7ac90ca
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+VERSION=$(git describe --tags)
+
+# i386
+GOOS=linux GOARCH=386 go build -o dist/wid-notifier_${VERSION}_linux_i386
+
+# amd64
+GOOS=linux GOARCH=amd64 go build -o dist/wid-notifier_${VERSION}_linux_amd64
+
+# arm
+GOOS=linux GOARCH=arm go build -o dist/wid-notifier_${VERSION}_linux_arm
+
+# arm64
+GOOS=linux GOARCH=arm64 go build -o dist/wid-notifier_${VERSION}_linux_arm64
diff --git a/go.mod b/go.mod
index 5584a12..171c292 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/ChaoticByte/wid-notifier
 
-go 1.21.1
+go 1.21