add release.sh

.gitignore

@@ -12,3 +12,5 @@
 *.out
 
 timeconverter
+dist/timeconverter.rb
+dist/timeconverter*.zip

release.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+
+set -e
+
+version="0.1.0"
+package="timeconverter"
+bin="timeconverter"
+repo="https://github.com/bbeardsley/timeconverter"
+
+platforms=(
+  "windows/amd64"
+  "windows/386"
+  "darwin/amd64"
+  "darwin/386"
+  "linux/amd64"
+  "linux/386"
+  "linux/arm"
+)
+
+rm -f dist/*
+
+for platform in "${platforms[@]}"
+do
+  platform_split=(${platform//\// })
+  GOOS=${platform_split[0]}
+  GOARCH=${platform_split[1]}
+
+  BIN="${bin}"
+  if [ $GOOS = "windows" ]; then
+    BIN="${bin}.exe"
+  fi
+  ZIP=$package'_v'$version'_'$GOOS'_'$GOARCH'.zip'
+
+  echo "Building for GOOS=$GOOS GOARCH=$GOARCH"
+
+  env GOOS=$GOOS GOARCH=$GOARCH go build -o dist/${BIN} &&
+  zip -q dist/${ZIP} -j dist/${BIN} &&
+  rm dist/${BIN}
+done
+
+DARWIN_AMD64=${package}_v${version}_darwin_amd64.zip
+DARWIN_386=${package}_v${version}_darwin_386.zip
+
+cat << EOF > dist/${package}.rb
+# This file was generated by release.sh
+require 'formula'
+class TimeConverter < Formula
+  homepage '${repo}'
+  version '${version}'
+
+  if Hardware::CPU.is_64_bit?
+     url '${repo}/releases/download/v${version}/${DARWIN_AMD64}'
+     sha '$( sha256sum dist/${DARWIN_AMD64} | awk '{ print $1 }' | xargs printf )'
+  else
+     url '${repo}/releases/download/v${version}/${DARWIN_386}'
+     sha '$( sha256sum dist/${DARWIN_386} | awk '{ print $1 }' | xargs printf )'
+  end
+
+  def install
+     bin.install '${BIN}'
+  end
+end
+EOF