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[client-app] add better documentation to windows update

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This commit is contained in:
Evan Morikawa 2017-03-27 18:19:50 -07:00
parent ddee8b83f7
commit 83cab70d68
2 changed files with 37 additions and 24 deletions
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7
packages/client-app/src/browser/main.js
View file

@ -143,6 +143,13 @@ const parseCommandLine = (argv) => {
};
};
/*
* "Squirrel will spawn your app with command line flags on first run, updates,]
* and uninstalls."
*
* Read: https://github.com/electron-archive/grunt-electron-installer#handling-squirrel-events
* Read: https://github.com/electron/electron/blob/master/docs/api/auto-updater.md#windows
*/
const handleStartupEventWithSquirrel = () => {
if (process.platform !== 'win32') {
return false;

54
packages/client-app/src/browser/windows-updater.js
View file

@ -1,11 +1,41 @@
/*
* "Squirrel will spawn your app with command line flags on first run, updates,]
* and uninstalls."
*
* Read: https://github.com/electron-archive/grunt-electron-installer#handling-squirrel-events
* Read: https://github.com/electron/electron/blob/master/docs/api/auto-updater.md#windows
*
* When Nylas Mail gets installed on a Windows machine it gets put in:
* C:\Users\<USERNAME>\AppData\Local\Nylas\app-x.x.x
*
* The `process.execPath` is:
* C:\Users\<USERNAME>\AppData\Local\Nylas\app-x.x.x\nylas.exe
*
* We manually copy everything in build/resources/win into a 'resources' folder
* located inside the main app directory. See runCopyPlatformSpecificResources
* in package-task.js
*
* This means `__dirname` should be:
* C:\Users\<USERNAME>\AppData\Local\Nylas\app-x.x.x\resources
*
* We also expect Squirrel Windows to have a file called `nylas.exe` at:
* C:\Users\<USERNAME>\AppData\Local\Nylas\nylas.exe
*/
const ChildProcess = require('child_process');
const fs = require('fs-plus');
const path = require('path');
const os = require('os');
// C:\Users\<USERNAME>\AppData\Local\Nylas\app-x.x.x
const appFolder = path.resolve(process.execPath, '..');
// C:\Users\<USERNAME>\AppData\Local\Nylas\
const rootN1Folder = path.resolve(appFolder, '..');
// C:\Users\<USERNAME>\AppData\Local\Nylas\Update.exe
const updateDotExe = path.join(rootN1Folder, 'Update.exe');
// "nylas.exe"
const exeName = path.basename(process.execPath);
// Spawn a command and invoke the callback when it completes with an error
@ -118,29 +148,6 @@ function createRegistryEntries({allowEscalation, registerDefaultIfPossible}, cal
});
}
// Update the desktop and start menu shortcuts by using the command line API
// provided by Squirrel's Update.exe
function updateShortcuts(callback) {
const homeDirectory = fs.getHomeDirectory();
if (homeDirectory) {
const desktopShortcutPath = path.join(homeDirectory, 'Desktop', 'N1.lnk')
// Check if the desktop shortcut has been previously deleted and
// and keep it deleted if it was
fs.exists(desktopShortcutPath, (desktopShortcutExists) => {
createShortcuts(() => {
if (desktopShortcutExists) {
callback()
} else {
// Remove the unwanted desktop shortcut that was recreated
fs.unlink(desktopShortcutPath, callback);
}
});
});
} else {
createShortcuts(callback);
}
}
// Remove the desktop and start menu shortcuts by using the command line API
// provided by Squirrel's Update.exe
function removeShortcuts(callback) {
@ -149,7 +156,6 @@ function removeShortcuts(callback) {
exports.spawn = spawnUpdate;
exports.createShortcuts = createShortcuts;
exports.updateShortcuts = updateShortcuts;
exports.removeShortcuts = removeShortcuts;
exports.createRegistryEntries = createRegistryEntries;