Update the performance job to use the same environment config

.gitignore

@@ -12,6 +12,7 @@ coverage
 *.log
 yarn.lock
 /artifacts
+/perf-envs
 
 .cache
 *.tsbuildinfo

bin/plugin/commands/performance.js

@@ -213,7 +213,7 @@ async function runPerformanceTests( branches, options ) {
 	}
 
 	// 1- Preparing the tests directory.
-	log( '\n>> Preparing the tests directory' );
+	log( '\n>> Preparing the tests directories' );
 	log( '    >> Cloning the repository' );
 	const baseDirectory = await git.clone( config.gitRepositoryURL );
 	const performanceTestDirectory = getRandomTemporaryPath();
@@ -236,19 +236,33 @@ async function runPerformanceTests( branches, options ) {
 		'npm install && npm run build:packages',
 		performanceTestDirectory
 	);
+	log( '    >> Creating the environment folders' );
+	await runShellScript( 'mkdir perf-envs', performanceTestDirectory );
 
 	// 2- Preparing the environment directories per branch.
 	log( '\n>> Preparing an environment directory per branch' );
 	const branchDirectories = {};
 	for ( const branch of branches ) {
 		log( '    >> Branch: ' + branch );
-		const environmentDirectory = getRandomTemporaryPath();
+		const environmentDirectory =
+			performanceTestDirectory + '/perf-envs/' + branch;
 		// @ts-ignore
 		branchDirectories[ branch ] = environmentDirectory;
+		await runShellScript( 'mkdir ' + environmentDirectory );
 		await runShellScript(
-			'cp -R ' + baseDirectory + ' ' + environmentDirectory
+			'cp -R ' + baseDirectory + ' ' + environmentDirectory + '/plugin'
+		);
+		await setUpGitBranch( branch, environmentDirectory + '/plugin' );
+		await runShellScript(
+			'cp ' +
+				path.resolve(
+					performanceTestDirectory,
+					'bin/plugin/utils/.wp-env.performance.json'
+				) +
+				' ' +
+				environmentDirectory +
+				'/.wp-env.json'
 		);
-		await setUpGitBranch( branch, environmentDirectory );
 
 		if ( options.wpVersion ) {
 			// In order to match the topology of ZIP files at wp.org, remap .0

bin/plugin/utils/.wp-env.performance.json

@@ -0,0 +1,12 @@
+{
+	"core": "WordPress/WordPress",
+	"plugins": [ "./plugin" ],
+	"themes": [ "../../tests/emptytheme" ],
+	"env": {
+		"tests": {
+			"mappings": {
+				"wp-content/mu-plugins": "../../packages/e2e-tests/mu-plugins"
+			}
+		}
+	}
+}