Init

.editorconfig

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+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{package.json,*.yml}]
+indent_style = space
+indent_size = 2

.gitattributes

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+* text=auto
+*.js text eol=lf

.gitignore

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+node_modules

.travis.yml

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+os: osx
+language: node_js
+node_js:
+  - '6'
+  - '4'

cli.js

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+#!/usr/bin/env node
+'use strict';
+const path = require('path');
+const fs = require('fs');
+const meow = require('meow');
+const appdmg = require('appdmg');
+const plist = require('plist');
+const Ora = require('ora');
+const execa = require('execa');
+
+const cli = meow(`
+	Usage
+	  $ create-dmg <app>
+
+	Example
+	  $ create-dmg 'Lungo.app'
+`);
+
+if (process.platform !== 'darwin') {
+	console.error('macOS only');
+	process.exit(1);
+}
+
+if (cli.input.length === 0) {
+	console.error('Specify an app');
+	process.exit(1);
+}
+
+const appPath = path.resolve(cli.input[0]);
+const appInfo = plist.parse(fs.readFileSync(path.join(appPath, 'Contents/Info.plist'), 'utf8'));
+const appName = appInfo.CFBundleName;
+const appIconName = appInfo.CFBundleIconFile.replace(/\.icns/, '');
+const dmgPath = `${appName} ${appInfo.CFBundleShortVersionString}.dmg`;
+
+const ora = new Ora('Creating DMG');
+ora.start();
+
+const ee = appdmg({
+	target: dmgPath,
+	basepath: __dirname,
+	specification: {
+		title: appName,
+		icon: path.join(appPath, 'Contents/Resources', `${appIconName}.icns`),
+		// Use transparent background and `background-color` option when this is fixed:
+		// https://github.com/LinusU/node-appdmg/issues/135
+		background: path.join(__dirname, 'assets/dmg-background.png'),
+		'icon-size': 160,
+		format: 'ULFO',
+		window: {
+			size: {
+				width: 660,
+				height: 400
+			}
+		},
+		contents: [
+			{
+				x: 180,
+				y: 170,
+				type: 'file',
+				path: appPath
+			},
+			{
+				x: 480,
+				y: 170,
+				type: 'link',
+				path: '/Applications'
+			}
+		]
+	}
+});
+
+ee.on('progress', info => {
+	if (info.type === 'step-begin') {
+		ora.text = info.title;
+	}
+});
+
+ee.on('finish', () => {
+	ora.text = 'Code signing DMG';
+
+	execa('codesign', ['--sign', 'Developer ID Application', dmgPath]).then(() => {
+		return execa.stderr('codesign', [dmgPath, '--display', '--verbose=2']);
+	}).then(stderr => {
+		const match = /^Authority=(.*)$/m.exec(stderr);
+
+		if (!match) {
+			ora.fail('Not code signed');
+			process.exit(1);
+		}
+
+		ora.info(`Code signing identity: ${match[1]}`).start();
+		ora.succeed('DMG created');
+	}).catch(ora.fail.bind(ora));
+});
+
+ee.on('error', err => {
+	ora.fail(err);
+	process.exit(1);
+});

fixture.app/Contents/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildMachineOSBuild</key>
+	<string>15G1217</string>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>fixture</string>
+	<key>CFBundleIconFile</key>
+	<string>app.icns</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.sindresorhus.create-dmg.fixture</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>fixture</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>0.0.1</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleSupportedPlatforms</key>
+	<array>
+		<string>MacOSX</string>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>0.0.1</string>
+	<key>DTCompiler</key>
+	<string>com.apple.compilers.llvm.clang.1_0</string>
+	<key>DTPlatformBuild</key>
+	<string>8C38</string>
+	<key>DTPlatformVersion</key>
+	<string>GM</string>
+	<key>DTSDKBuild</key>
+	<string>16C58</string>
+	<key>DTSDKName</key>
+	<string>macosx10.12</string>
+	<key>DTXcode</key>
+	<string>0820</string>
+	<key>DTXcodeBuild</key>
+	<string>8C38</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>10.11</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>EventViewerApplication</string>
+	<key>NSSupportsSuddenTermination</key>
+	<string>YES</string>
+</dict>
+</plist>

fixture.app/Contents/PkgInfo

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+APPL????

license

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+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

package.json

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+{
+  "name": "create-dmg",
+  "version": "0.0.0",
+  "description": "Create a DMG from an app (macOS)",
+  "license": "MIT",
+  "repository": "sindresorhus/create-dmg",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "bin": {
+    "create-dmg": "cli.js"
+  },
+  "engines": {
+    "node": ">=4"
+  },
+  "scripts": {
+    "test": "xo && ava"
+  },
+  "files": [
+    "cli.js",
+    "assets"
+  ],
+  "keywords": [
+    "cli-app",
+    "cli",
+    "create",
+    "dmg",
+    "disk",
+    "image",
+    "macos",
+    "mac",
+    "app",
+    "application",
+    "apple"
+  ],
+  "dependencies": {
+    "appdmg": "^0.4.5",
+    "execa": "^0.6.3",
+    "meow": "^3.4.2",
+    "ora": "^1.2.0",
+    "plist": "^2.0.1"
+  },
+  "devDependencies": {
+    "ava": "*",
+    "tempfile": "^1.1.1",
+    "xo": "*"
+  }
+}

readme.md

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+# create-dmg [![Build Status](https://travis-ci.org/sindresorhus/create-dmg.svg?branch=master)](https://travis-ci.org/sindresorhus/create-dmg)
+
+> Create a [DMG](https://en.m.wikipedia.org/wiki/Apple_Disk_Image) from an app *(macOS)*
+
+<img src="screenshot-cli.gif" width="529">
+
+*This tool is intentionally opinionated and simple. I'm not interested in adding lots of options.*
+
+
+## Install
+
+```
+$ npm install --global create-dmg
+```
+
+
+## Usage
+
+```
+$ create-dmg --help
+
+  Usage
+    $ create-dmg <app>
+
+  Example
+    $ create-dmg 'Lungo.app'
+```
+
+
+## DMG
+
+The created DMG is code signed, requires macOS 10.11 or later, and has the filename `${appName} ${appVersion}.dmg`, for example `Lungo 1.0.0.dmg`.
+
+<img src="screenshot-dmg.png" width="772">
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)

test.js

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+import path from 'path';
+import fs from 'fs';
+import test from 'ava';
+import execa from 'execa';
+import tempfile from 'tempfile';
+
+test(async t => {
+	const cwd = tempfile();
+	fs.mkdirSync(cwd);
+	await execa(path.join(__dirname, 'cli.js'), [path.join(__dirname, 'fixture.app')], {cwd});
+	t.true(fs.existsSync(path.join(cwd, 'fixture 0.0.1.dmg')));
+});