chore: linux build script

build.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Hysteria local build script for Linux
+
+# Change these to whatever you want
+platforms=("windows/amd64" "linux/amd64" "darwin/amd64")
+ldflags="-s -w"
+
+if ! [ -x "$(command -v go)" ]; then
+    echo 'Error: go is not installed.' >&2
+    exit 1
+fi
+
+mkdir -p build
+rm -rf build/*
+
+echo "Starting build..."
+
+for platform in "${platforms[@]}"; do
+    GOOS=${platform%/*}
+    GOARCH=${platform#*/}
+    echo "Building $GOOS/$GOARCH"
+    output="build/hysteria-$GOOS-$GOARCH"
+    if [ $GOOS = "windows" ]; then
+        output="$output.exe"
+    fi
+    env GOOS=$GOOS GOARCH=$GOARCH go build -o $output -ldflags "$ldflags" ./cmd/
+done
+
+echo "Build complete."
+
+ls -lh build/ | awk '{print $9, $5}'