From 5fe03e7d4035c51afb0655bbb150454fc0240946 Mon Sep 17 00:00:00 2001
From: Matt Bell <mappum@gmail.com>
Date: Tue, 2 Jan 2018 22:09:47 -0800
Subject: [PATCH 1/2] Use docker to deterministically build gaia binary on
 release

---
 tasks/release.js | 46 ++++++++++++++++++++++++++++------------------
 1 file changed, 28 insertions(+), 18 deletions(-)

diff --git a/tasks/release.js b/tasks/release.js
index fa76dee103..95bb4c45a2 100644
--- a/tasks/release.js
+++ b/tasks/release.js
@@ -1,11 +1,12 @@
 'use strict'
 
 const { exec } = require('child_process')
-const path = require('path')
+const { join } = require('path')
 const packager = require('electron-packager')
 const rebuild = require('electron-rebuild').default
 const mkdirp = require('mkdirp').sync
 const fs = require('fs-extra')
+const { promisify } = require('util')
 
 let skipPack = false
 let binaryPath = null
@@ -56,7 +57,7 @@ function build () {
   options.afterCopy = [
     binaryPath
       ? copyBinary('gaia', binaryPath)
-      : goBuild(`github.com/cosmos/gaia/cmd/gaia`)
+      : buildGaiaBinary()
   ]
   // prune installs the packages
   options.afterPrune = [
@@ -84,7 +85,7 @@ function build () {
 
 function copyBinary (name, binaryLocation) {
   return function (buildPath, electronVersion, platform, arch, cb) {
-    let binPath = path.join(buildPath, 'bin', name)
+    let binPath = join(buildPath, 'bin', name)
     if (platform === 'win32') {
       binPath = binPath + '.exe'
     }
@@ -98,29 +99,38 @@ const GOARCH = {
   'ia32': '386'
 }
 
-function goBuild (pkg) {
+function buildGaiaBinary () {
   return function (buildPath, electronVersion, platform, arch, cb) {
     if (platform === 'win32') platform = 'windows'
     if (platform === 'mas') platform = 'darwin'
     if (GOARCH[arch]) arch = GOARCH[arch]
 
-    let name = path.basename(pkg)
-    console.log(`\x1b[34mBuilding ${name} binary (${platform}/${arch})...\n\x1b[0m`)
+    console.log(`\x1b[34mBuilding gaia binary (${platform}/${arch})...\n\x1b[0m`)
 
-    mkdirp(path.join(buildPath, 'bin'))
-    let binPath = path.join(buildPath, 'bin', name)
-    if (platform === 'windows') {
-      binPath = binPath + '.exe'
-    }
-    let cmd = `cross-env GOOS=${platform} GOARCH=${arch} go build -o ${binPath} ${pkg}`
-    console.log(`> ${cmd}\n`)
-    let go = exec(cmd)
+    let output = 'gaia'
+    if (platform === 'windows') output += '.exe'
 
-    go.stdout.on('data', (data) => process.stdout.write(data))
-    go.stderr.on('data', (data) => process.stderr.write(data))
-    go.once('exit', (code) => {
+    let cmd = `
+      docker run -v "/tmp:/mnt" golang bash -c "
+        go get github.com/cosmos/gaia;
+        cd /go/src/github.com/cosmos/gaia && \
+        git checkout develop && \
+        make get_vendor_deps && \
+        GOOS=darwin GOARCH=amd64 go build \
+          -o /mnt/${output} \
+          -ldflags '-s -w' \
+          ./cmd/gaia
+      "
+    `
+    let docker = exec(cmd)
+    docker.stdout.on('data', (data) => process.stdout.write(data))
+    docker.stderr.on('data', (data) => process.stderr.write(data))
+    docker.once('exit', (code) => {
       if (code !== 0) return cb(Error('Build failed'))
-      cb()
+
+      let binPath = join(buildPath, 'bin')
+      mkdirp(binPath)
+      fs.copy(join('/tmp', output), join(binPath, output), cb)
     })
   }
 }

From b5fce376a5bfd1dfed91a47e0439e7a0442189c6 Mon Sep 17 00:00:00 2001
From: Matt Bell <mappum@gmail.com>
Date: Wed, 3 Jan 2018 07:35:16 -0800
Subject: [PATCH 2/2] Fixed docker release script for multiple platforms,
 enable windows builds by default

---
 config.js        | 2 +-
 tasks/release.js | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/config.js b/config.js
index 61e6cfe77d..176ef04547 100644
--- a/config.js
+++ b/config.js
@@ -24,7 +24,7 @@ let config = {
     ignore: /^\/(src|index\.ejs|icons)/,
     out: path.join(__dirname, 'builds'),
     overwrite: true,
-    platform: process.env.PLATFORM_TARGET || 'darwin,linux',
+    platform: process.env.PLATFORM_TARGET || 'darwin,linux,windows',
     packageManager: 'yarn'
   }
 }
diff --git a/tasks/release.js b/tasks/release.js
index 95bb4c45a2..4e70ba6432 100644
--- a/tasks/release.js
+++ b/tasks/release.js
@@ -17,7 +17,7 @@ process.argv.forEach(function (val) {
   }
   if (val.startsWith('--binary')) {
     binaryPath = val.replace('--binary=', '')
-    console.log('Using build binary', binaryPath)
+    console.log('Using prebuilt binary', binaryPath)
   }
 })
 
@@ -116,7 +116,7 @@ function buildGaiaBinary () {
         cd /go/src/github.com/cosmos/gaia && \
         git checkout develop && \
         make get_vendor_deps && \
-        GOOS=darwin GOARCH=amd64 go build \
+        GOOS=${platform} GOARCH=${arch} go build \
           -o /mnt/${output} \
           -ldflags '-s -w' \
           ./cmd/gaia