fix(pack): sort files to produce identical output on Windows and Unix (#8142)

* fix(pack): always ignore yarnrc.yml file

* fix(pack): sort files before packing

* docs: changelog

* chore: ping ci

* Update CHANGELOG.md

Co-authored-by: Maël Nison <[email protected]>

Author: merceyz

CHANGELOG.md

@@ -1,7 +1,17 @@
 # Changelog
-
+<!-- -->
 Please add one entry in this file for each change in Yarn's behavior. Use the same format for all entries, including the third-person verb. Make sure you don't add more than one line of text to keep it clean. Thanks!
 
+## 1.22.2
+
+- Sorts files when running `yarn pack` to produce identical layout on Windows and Unix systems
+
+  [#8142](https://github.com/yarnpkg/yarn/pull/8142) - [**Merceyz**](https://github.com/merceyz)
+
+- Ignores `.yarnrc.yml` by default when running `yarn pack`
+
+  [#8142](https://github.com/yarnpkg/yarn/pull/8142) - [**Merceyz**](https://github.com/merceyz)
+
 ## 1.22.1
 
 - Prevents `yarn-path` from exiting before its child exited

src/cli/commands/pack.js

@@ -36,6 +36,7 @@ const DEFAULT_IGNORE = ignoreLinesToRegex([
   'yarn-error.log',
   '.npmrc',
   '.yarnrc',
+  '.yarnrc.yml',
   '.npmignore',
   '.gitignore',
   '.DS_Store',
@@ -146,6 +147,7 @@ export function packWithIgnoreAndHeaders(
 ): Promise<stream$Duplex> {
   return tar.pack(cwd, {
     ignore: ignoreFunction,
+    sort: true,
     map: header => {
       const suffix = header.name === '.' ? '' : `/${header.name}`;
       header.name = `package${suffix}`;