simple build script

Author: timsutton

README.md

@@ -1,6 +1,6 @@
 # speedwagon
 
-A very simple CLI tool for downloading Apple's Xcode simulator runtimes without needing a copy of Xcode on a Mac.
+A very simple CLI tool for downloading Apple's Xcode simulator runtimes without needing a copy of Xcode, or a Mac.
 
 ## Why?
 

build.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+set -eux
+
+NAME=speedwagon
+
+PLATFORMS=(
+    darwin
+    linux
+    windows
+)
+
+for platform in "${PLATFORMS[@]}"; do
+    exe_name="${NAME}_${platform}"
+
+    # Windows should have an .exe at the end
+    if [[ "${platform}" = "windows" ]]; then
+        exe_name="${exe_name}.exe"
+    fi
+
+    # macOS should be a universal binary
+    if [[ "${platform}" = "darwin" ]]; then
+        for goarch in arm64 amd64; do
+            GOARCH="${goarch}" go build -o "${NAME}_${goarch}"
+        done
+        lipo -create -output "${exe_name}" "${NAME}_arm64" "${NAME}_amd64"
+        rm -f "${NAME}_arm64" "${NAME}_amd64"
+    else
+        GOOS="${platform}" go build -o "${exe_name}"
+    fi
+done
+