Add build.sh

build.sh

@@ -0,0 +1,98 @@
+#!/bin/sh
+
+set -eu
+
+build() {
+	VERSION=$(git describe --tags)
+	BUILD=$(date +%FT%T%z)
+	ARCHLIST="$1"
+	OSLIST="$2"
+	BUILD_DIR="$3"
+	FILE_NAME="dnsbl-check"
+
+	echo "$VERSION"
+	echo "$BUILD"
+
+	mkdir -p "$BUILD_DIR"
+
+	for os in $OSLIST
+	do
+		for arch in $ARCHLIST
+		do
+			echo "building $os.$arch"
+			if go tool dist list | grep -q "^${os}/${arch}$"
+			then
+				GOOS="$os" GOARCH="$arch" go build -ldflags "-w -s -X main.version=${VERSION} -X main.build=${BUILD}" -o "$BUILD_DIR/$FILE_NAME.$os.$arch"
+			fi
+		done
+	done
+}
+
+remove() {
+  BUILD_DIR="$1"
+	for os in $OSLIST
+	do
+		for arch in $ARCHLIST
+		do
+			if [ -f "$BUILD_DIR/$FILE_NAME.$os.$arch" ]
+			then
+				echo "removing $os.$arch"
+				rm "$BUILD_DIR/$FILE_NAME.$os.$arch"
+			fi
+		done
+	done
+}
+
+REMOVE=0
+OSLIST="linux darwin"
+ARCHLIST="amd64 arm64"
+BUILD_DIR="./build"
+BUILD=0
+
+if [ $# -lt 1 ];then
+	echo "Command required, available commands are \"test\" and \"build\"" >&2
+	exit 1
+fi
+
+subcommand="$1"
+shift
+case "$subcommand" in
+	"test")
+		go test -v -tags test
+		return
+		;;
+	"build")
+		BUILD=1;
+		;;
+	*)
+		echo "Invalid command, available commands are \"test\" and \"build\"" >&2
+		exit 1
+		;;
+esac
+
+while getopts "ra:o:s:b:" opt
+do
+	case "$opt" in
+		"r")
+			REMOVE=1
+			;;
+		"a")
+			ARCHLIST="$OPTARG"
+			;;
+		"o")
+			OSLIST="$OPTARG"
+			;;
+		"b")
+			BUILD_DIR="$OPTARG"
+			;;
+		[?])
+			exit 1
+			;;
+	esac
+done
+
+if [ $REMOVE -eq 1 ];then
+	remove "$BUILD_DIR"
+else
+	build "$ARCHLIST" "$OSLIST" "$BUILD_DIR"
+fi