Add homebrew support

Author: rs

README.md

@@ -21,6 +21,14 @@ By default, jplot uses the full size of the terminal, but it is possible to limi
 
 ## Install
 
+Using [homebrew](http://brew.sh/):
+
+```
+brew install https://raw.githubusercontent.com/rs/jplot/master/jplot.rb
+```
+
+From source:
+
 ```
 go get -u github.com/rs/jplot
 ```

jplot.rb

@@ -0,0 +1,21 @@
+class Jplot < Formula
+  desc "iTerm2 expvar/JSON monitoring tool"
+  homepage "https://github.com/rs/jplot"
+  url "https://github.com/rs/jplot/archive/1.0.0.tar.gz"
+  sha256 "f6816198294c67e5d858effbfb744097a9c1520a494a1da6699b2a99422151d1"
+  head "https://github.com/rs/jplot.git"
+
+  if Hardware::CPU.is_64_bit?
+    url "https://github.com/rs/jplot/releases/download/1.0.0/jplot_1.0.0_darwin_amd64.zip"
+    sha256 "13529d71da748903de3e7e034722d30c4ef9cf1329f2dab366547d8afed4ea7e"
+  else
+    url "https://github.com/rs/jplot/releases/download/1.0.0/jplot_1.0.0_darwin_386.zip"
+    sha256 "3581dc8488e45467ff4ec089a1c74216cea7e26e97091247f31f04ee79dd6c22"
+  end
+
+  depends_on "go" => :build
+
+  def install
+    bin.install "jplot"
+  end
+end

release.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+set -e
+
+VERSION=$1
+USER=rs
+NAME=jplot
+DESC="iTerm2 expvar/JSON monitoring tool"
+
+if [ -z $VERSION ]; then
+  echo "usage: $0 VERSION"
+  exit 1
+fi
+
+github-release release -u $USER -r $NAME -t $VERSION
+
+rm -rf dist
+mkdir dist
+cleanup() {
+  rm -rf dist
+}
+trap cleanup EXIT
+
+for env in darwin/amd64 darwin/386; do
+    eval $(echo $env | tr '/' ' ' | xargs printf 'export GOOS=%s; export GOARCH=%s\n')
+
+    GOOS=${env%/*}
+    GOARCH=${env#*/}
+
+    bin=$NAME
+    if [ $GOOS == "windows" ]; then
+        bin="$NAME.exe"
+    fi
+
+    mkdir -p dist
+
+    echo "Building for GOOS=$GOOS GOARCH=$GOARCH"
+
+    CGO_ENABLED=0 go build -o dist/$bin
+    file=${NAME}_${VERSION}_${GOOS}_${GOARCH}.zip
+    zip dist/$file -j dist/$bin
+    rm -f dist/$bin
+
+    github-release upload -u $USER -r $NAME -t $VERSION -n $file -f dist/$file
+done
+
+url=https://github.com/${USER}/${NAME}/archive/${VERSION}.tar.gz
+darwin_amd64=${NAME}_${VERSION}_darwin_amd64.zip
+darwin_386=${NAME}_${VERSION}_darwin_386.zip
+
+cat << EOF > jplot.rb
+class Jplot < Formula
+  desc "$DESC"
+  homepage "https://github.com/${USER}/${NAME}"
+  url "$url"
+  sha256 "$(curl $url | shasum -a 256 | awk '{print $1}')"
+  head "https://github.com/${USER}/${NAME}.git"
+
+  if Hardware::CPU.is_64_bit?
+    url "https://github.com/${USER}/${NAME}/releases/download/${VERSION}/${darwin_amd64}"
+    sha256 "$(shasum -a 256 dist/${darwin_amd64} | awk '{print $1}')"
+  else
+    url "https://github.com/${USER}/${NAME}/releases/download/${VERSION}/${darwin_386}"
+    sha256 "$(shasum -a 256 dist/${darwin_386} | awk '{print $1}')"
+  end
+
+  depends_on "go" => :build
+
+  def install
+    bin.install "$NAME"
+  end
+end
+EOF