Add Makefile

.gitignore

@@ -1,4 +1,4 @@
 config.yml
 go.sum
 dyndns-netcup-go
-build/
+dist/

Makefile

@@ -0,0 +1,11 @@
+DIST_DIR ?= $(shell pwd)/dist
+
+build:
+	@echo "Building release artifacts"
+	./scripts/make-releases.sh $(DIST_DIR)
+.PHONY: build
+
+clean:
+	@echo "Cleaning artifacts"
+	@rm -rf $(DIST_DIR)
+.PHONY: clean

scripts/make-releases.sh

@@ -1,15 +1,22 @@
 #!/bin/bash
 
-mkdir -p build
-rm -rf build/*
+BIN_DIR="$1"
+
+[ -n "$BIN_DIR" ] || {
+    echo "No directory for the binary files specified."
+    exit 1
+}
+
+mkdir -p "$BIN_DIR"
+rm -rf "$BIN_DIR/*"
 
 ARCHS="windows,amd64,windows.exe linux,amd64,linux linux,arm,linux-arm linux,arm64,linux-arm64 darwin,amd64,macos"
 
 for arch in $ARCHS; do IFS=","; set -- $arch
-    env GOOS=$1 GOARCH=$2 go build -o build/dyndns-netcup-go-$3 ./cmd/dyndns-netcup-go/main.go
+    env GOOS=$1 GOARCH=$2 go build -o "$BIN_DIR/dyndns-netcup-go-$3" ./cmd/dyndns-netcup-go/main.go
 done
 
-for file in ./build/*; do 
+for file in "$BIN_DIR"/*; do 
     tar -czvf $file.tar.gz $file
     openssl dgst -sha256 $file > $file.sha256
     rm $file