fix: macOS failing when there is no old icon (#1658)

Author: Daniel Pereira

packages/electron-builder/src/packager/mac.ts

@@ -3,7 +3,7 @@ import BluebirdPromise from "bluebird-lst"
 import { asArray, getPlatformIconFileName, use } from "electron-builder-util"
 import { copyFile, copyOrLinkFile, unlinkIfExists } from "electron-builder-util/out/fs"
 import { warn } from "electron-builder-util/out/log"
-import { readFile, rename, unlink, utimes, writeFile } from "fs-extra-p"
+import { readFile, rename, utimes, writeFile } from "fs-extra-p"
 import * as path from "path"
 import { build as buildPlist, parse as parsePlist } from "plist"
 import { normalizeExt, PlatformPackager } from "../platformPackager"
@@ -151,7 +151,7 @@ export async function createApp(packager: PlatformPackager<any>, appOutDir: stri
   ]
 
   if (icon != null) {
-    promises.push(unlink(path.join(resourcesPath, oldIcon)))
+    promises.push(unlinkIfExists(path.join(resourcesPath, oldIcon)))
     promises.push(copyFile(icon, path.join(resourcesPath, appPlist.CFBundleIconFile)))
   }
 

yarn.lock

@@ -1231,9 +1231,9 @@ fb-watchman@^2.0.0:
   dependencies:
     bser "^2.0.0"
 
-fcopy-pre-bundled@^0.1.2:
-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/fcopy-pre-bundled/-/fcopy-pre-bundled-0.1.2.tgz#656baeb0d0c450cafa9c902664d440ceb99bcde1"
+fcopy-pre-bundled@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/fcopy-pre-bundled/-/fcopy-pre-bundled-0.2.0.tgz#846195cb53cf0a987ca9ebee4d70f81277c10f8a"
 
 feature-detect-es6@^1.3.1:
   version "1.3.1"
@@ -2948,14 +2948,10 @@ sanitize-filename@^1.6.1:
   dependencies:
     truncate-utf8-bytes "^1.0.0"
 
-sax@1.2.1:
+sax@1.2.1, sax@>=0.6.0, sax@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.1.tgz#7b8e656190b228e81a66aea748480d828cd2d37a"
 
-sax@>=0.6.0, sax@^1.2.1:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.2.tgz#fd8631a23bc7826bef5d871bdb87378c95647828"
-
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"