chore: add debian packaging (#747)

This adds a "debian" command to the linux build script. It uses
electron-installer-debian to create a debian package.

.travis.yml

@@ -22,6 +22,8 @@ addons:
       - gcc-4.8
       - g++-4.8
       - clang
+      - dpkg
+      - fakeroot
 
 before_install:
   - rm -rf ~/.nvm
@@ -41,6 +43,7 @@ install:
     fi
   - gem install scss_lint
   - npm install -g bower
+  - npm install -g electron-installer-debian
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
       ./scripts/build/linux.sh install x64;
     fi

scripts/build/debian/config.json

@@ -0,0 +1,51 @@
+{
+  "name": "etcher-electron",
+  "productName": "Etcher",
+  "genericName": "Etcher",
+  "homepage": "https://www.etcher.io/",
+  "icon": "assets/icon.png",
+  "bin": "etcher-electron.sh",
+  "categories": [
+    "Utility"
+  ],
+  "depends": [
+    "gconf-service",
+    "libasound2",
+    "libatk1.0-0",
+    "libc6",
+    "libcairo2",
+    "libcups2",
+    "libdbus-1-3",
+    "libexpat1",
+    "libfontconfig1",
+    "libfreetype6",
+    "libgcc1",
+    "libgconf-2-4",
+    "libgdk-pixbuf2.0-0",
+    "libglib2.0-0",
+    "libgtk2.0-0",
+    "liblzma5",
+    "libnspr4",
+    "libnss3",
+    "libpango1.0-0",
+    "libstdc++6",
+    "libx11-6",
+    "libxcomposite1",
+    "libxcursor1",
+    "libxdamage1",
+    "libxext6",
+    "libxfixes3",
+    "libxi6",
+    "libxrandr2",
+    "libxrender1",
+    "libxss1",
+    "libxtst6"
+  ],
+  "recommends": [
+    "libnotify4"
+  ],
+  "suggests": [],
+  "lintianOverrides": [
+    "changelog-file-missing-in-native-package"
+  ]
+}

scripts/build/debian/etcher-electron.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+export ETCHER_DISABLE_UPDATES=1
+/usr/share/etcher-electron/etcher "$@"

scripts/build/linux.sh

@@ -43,11 +43,18 @@ if [ "$#" -ne 2 ]; then
 fi
 
 COMMAND=$1
-if [ "$COMMAND" != "install" ] && [ "$COMMAND" != "package" ] && [ "$COMMAND" != "appimage" ] && [ "$COMMAND" != "all" ]; then
+if [ "$COMMAND" != "install" ] && [ "$COMMAND" != "package" ] && [ "$COMMAND" != "debian" ] && [ "$COMMAND" != "appimage" ] && [ "$COMMAND" != "all" ]; then
   echo "Unknown command: $COMMAND" 1>&2
   exit 1
 fi
 
+if [ "$COMMAND" == "debian" ] || [ "$COMMAND" == "all" ]; then
+  if ! command -v electron-installer-debian 2>/dev/null; then
+    echo "Dependency missing: electron-installer-debian" 1>&2
+    exit 1
+  fi
+fi
+
 if [ "$COMMAND" == "appimage" ] || [ "$COMMAND" == "all" ]; then
   if ! command -v upx 2>/dev/null; then
     echo "Dependency missing: upx" 1>&2
@@ -172,6 +179,23 @@ if [ "$COMMAND" == "package" ] || [ "$COMMAND" == "all" ]; then
   fi
 fi
 
+if [ "$COMMAND" == "debian" ] || [ "$COMMAND" == "all" ]; then
+  if [ "$ARCH" == "x86" ]; then
+    DEBARCH=i386
+  fi
+
+  if [ "$ARCH" == "x64" ]; then
+    DEBARCH=amd64
+  fi
+
+  cp scripts/build/debian/etcher-electron.sh etcher-release/Etcher-linux-$ARCH/
+  electron-installer-debian --src etcher-release/Etcher-linux-$ARCH \
+    --dest etcher-release/installers \
+    --config scripts/build/debian/config.json \
+    --arch $DEBARCH
+  rm etcher-release/Etcher-linux-$ARCH/etcher-electron.sh
+fi
+
 if [ "$COMMAND" == "appimage" ] || [ "$COMMAND" == "all" ]; then
   if [ "$ARCH" == "x86" ]; then
     # UPX fails for some reason with some other so libraries