From 9f91544ad7e079bca945426e9852497f8d69c651 Mon Sep 17 00:00:00 2001
From: Amin Yahyaabadi <aminyahyaabadi74@gmail.com>
Date: Fri, 18 Sep 2020 03:54:36 -0500
Subject: [PATCH 1/3] linux deb: don't compress unless on release-branch

---
 script/lib/create-debian-package.js | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/script/lib/create-debian-package.js b/script/lib/create-debian-package.js
index c354bf67c0f..af60cedc693 100644
--- a/script/lib/create-debian-package.js
+++ b/script/lib/create-debian-package.js
@@ -200,9 +200,27 @@ module.exports = function(packagedAppPath) {
   );
 
   console.log(`Generating .deb file from ${debianPackageDirPath}`);
-  spawnSync('fakeroot', ['dpkg-deb', '-b', debianPackageDirPath], {
-    stdio: 'inherit'
-  });
+
+  // don't compress by default to speed up build
+  let compressionLevel = 0;
+  let compressionType = 'none';
+  if (process.env.IS_RELEASE_BRANCH || process.env.IS_SIGNED_ZIP_BRANCH) {
+    compressionLevel = 6;
+    compressionType = 'xz';
+  }
+  spawnSync(
+    'fakeroot',
+    [
+      'dpkg-deb',
+      `-Z${compressionType}`,
+      `-z${compressionLevel}`,
+      '-b',
+      debianPackageDirPath
+    ],
+    {
+      stdio: 'inherit'
+    }
+  );
 
   console.log(
     `Copying generated package into "${outputDebianPackageFilePath}"`

From f40ac60e45f1a2d6632a7a83a14708248001b7c4 Mon Sep 17 00:00:00 2001
From: Amin Yahyaabadi <aminyahyaabadi74@gmail.com>
Date: Fri, 18 Sep 2020 03:55:00 -0500
Subject: [PATCH 2/3] use sudo instead of fakeroot if available

fakeroot is slower than sudo
---
 script/lib/create-debian-package.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/script/lib/create-debian-package.js b/script/lib/create-debian-package.js
index af60cedc693..049997a4640 100644
--- a/script/lib/create-debian-package.js
+++ b/script/lib/create-debian-package.js
@@ -208,8 +208,13 @@ module.exports = function(packagedAppPath) {
     compressionLevel = 6;
     compressionType = 'xz';
   }
+  // use sudo if available to speed up build
+  let sudoCommand = 'fakeroot';
+  if (process.env.CI === true || (process.getuid && process.getuid() === 0)) {
+    sudoCommand = 'sudo';
+  }
   spawnSync(
-    'fakeroot',
+    sudoCommand,
     [
       'dpkg-deb',
       `-Z${compressionType}`,

From f2f8a1e8cf70b1c1bf99d5aabea7d700f3ce852e Mon Sep 17 00:00:00 2001
From: Amin Yahyaabadi <aminyahyaabadi74@gmail.com>
Date: Fri, 18 Sep 2020 03:53:28 -0500
Subject: [PATCH 3/3] install the latest dpkg

---
 script/vsts/platforms/templates/preparation.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script/vsts/platforms/templates/preparation.yml b/script/vsts/platforms/templates/preparation.yml
index cc6103e52df..62c24bcf98a 100644
--- a/script/vsts/platforms/templates/preparation.yml
+++ b/script/vsts/platforms/templates/preparation.yml
@@ -4,7 +4,7 @@ steps:
   - script: |
       sudo apt-get update
       sudo apt-get install -y wget software-properties-common
-      sudo apt-get install -y build-essential ca-certificates xvfb fakeroot git libsecret-1-dev rpm libx11-dev libxkbfile-dev xz-utils xorriso zsync libxss1 libgconf2-4 libgtk-3-0 libasound2 libicu-dev
+      sudo apt-get install -y build-essential ca-certificates xvfb fakeroot git libsecret-1-dev rpm libx11-dev libxkbfile-dev xz-utils xorriso zsync libxss1 libgconf2-4 libgtk-3-0 libasound2 libicu-dev dpkg
       # clang 9 is included in the image
       sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-9 10
       sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-9 10