[Playground CLI] explore why plugin files don't exist after mounting

blueprint.json

@@ -0,0 +1,18 @@
+{
+    "preferredVersions": {
+		"php": "8.0",
+		"wp": "6.7"
+	},
+    "steps": [
+        {
+            "step": "defineWpConfigConsts",
+            "consts": {
+                "DISABLE_WP_CRON": false
+            }
+        },
+        {
+            "step": "activatePlugin",
+            "pluginPath": "/wordpress/wp-content/plugins/plugin"
+        }
+    ]
+}

packages/php-wasm/node/src/lib/load-runtime.ts

@@ -90,12 +90,46 @@ export async function loadNodeRuntime(
 			 * in the Emscripten's filesystem and mount the OS directory
 			 * to the Emscripten filesystem.
 			 *
-			 * The directory is mounted to the `/internals/symlinks` directory to avoid
+			 * The directory is mounted to the `/internal/symlinks` directory to avoid
 			 * conflicts with existing VFS directories.
 			 * We can set a arbitrary mount path because readlink is the source of truth
 			 * for the path and Emscripten will accept it as if it was the real link path.
 			 */
 			if (options?.followSymlinks === true) {
+				const fsStat = phpRuntime.FS.stat;
+				phpRuntime.FS.stat = (path: string, dontFollow: boolean) => {
+					if (dontFollow === true && path.includes('woocommerce')) {
+						const obj: any = {};
+						if ('captureStackTrace' in Error) {
+							Error.captureStackTrace(obj);
+						}
+						const stack = obj.stack.split('\n');
+						const lastStackLine = stack[stack.length - 1];
+						const functionName = lastStackLine.trim().split(' ')[1];
+
+						/**
+						 * One of these functions is called with dontFollow set to true
+						 * and causes plugin activation to fail with a "Plugin file does not exist" error.
+						 *
+						 * Potentially related to https://core.trac.wordpress.org/ticket/16953
+						 */
+						if (
+							[
+								'php.wasm.php_stat',
+								'php.wasm.__fstatat',
+								'php.wasm.tsrm_realpath_r',
+							].includes(functionName)
+						) {
+							console.log(
+								`[DEBUG] dontFollow override for function ${functionName} for path ${path}`,
+								obj.stack
+							);
+							dontFollow = false;
+						}
+					}
+					return fsStat(path, dontFollow);
+				};
+
 				phpRuntime.FS.filesystems.NODEFS.node_ops.readlink = (
 					node: any
 				) => {
@@ -106,7 +140,7 @@ export async function loadNodeRuntime(
 							)
 						);
 					const symlinkPath = joinPaths(
-						`/internals/symlinks`,
+						`/internal/symlinks`,
 						absoluteSourcePath
 					);
 					if (
@@ -129,6 +163,12 @@ export async function loadNodeRuntime(
 							{ root: absoluteSourcePath },
 							symlinkPath
 						);
+						console.log(
+							'\n[DEBUG] readlink mounted symlinked path',
+							absoluteSourcePath,
+							'->',
+							symlinkPath
+						);
 					}
 					return symlinkPath;
 				};

packages/php-wasm/node/src/lib/node-fs-mount.ts

@@ -49,6 +49,21 @@ export function createNodeFsMountHandler(localPath: string): MountHandler {
 			throw e;
 		}
 		FS.mount(FS.filesystems['NODEFS'], { root: localPath }, vfsMountPoint);
+		console.log(
+			'[DEBUG] createNodeFsMountHandler mounted local path',
+			localPath,
+			'to',
+			vfsMountPoint
+		);
+
+		php.run({
+			code: `<?php echo json_encode(file_exists('${vfsMountPoint}'));`,
+		}).then((result) => {
+			console.log(
+				'[DEBUG] createNodeFsMountHandler mounted plugin path exists',
+				result.json
+			);
+		});
 		return () => {
 			FS!.unmount(vfsMountPoint);
 			if (removeVfsNode) {

packages/playground/cli/src/run-cli.ts

@@ -683,6 +683,17 @@ export async function runCLI(args: RunCLIArgs): Promise<RunCLIServer> {
 				wordPressReady = true;
 				logger.log(`Booted!`);
 
+				playground
+					.run({
+						code: `<?php echo json_encode(file_exists('/wordpress/wp-content/plugins/plugin'));`,
+					})
+					.then((result) => {
+						console.log(
+							'\n[DEBUG] runCLI mounted plugin path exists',
+							result.json
+						);
+					});
+
 				if (compiledBlueprint) {
 					logger.log(`Running the Blueprint...`);
 					await runBlueprintSteps(compiledBlueprint, playground);

packages/playground/cli/src/test/mount-examples/plugin/plugin

@@ -0,0 +1 @@
+/Users/bero/Projects/wordpress-playground/packages/playground/cli/src/test/mount-examples/plugin

packages/playground/wordpress-builds/src/sqlite-database-integration/get-sqlite-driver-module-details.ts

@@ -19,7 +19,6 @@ export function getSqliteDriverModuleDetails(
 	url: string;
 } {
 	switch (version) {
-
 		case 'develop':
 			/** @ts-ignore */
 			return {

packages/playground/wordpress-builds/src/sqlite-database-integration/sqlite-database-integration-versions.json

@@ -1,4 +1,4 @@
 {
-  "develop": "develop",
-  "v2.1.16": "v2.1.16"
-}
+	"develop": "develop",
+	"v2.1.16": "v2.1.16"
+}

packages/playground/wordpress/src/boot.ts

@@ -233,6 +233,7 @@ export async function bootRequestHandler(options: BootRequestHandlerOptions) {
 				'/tmp',
 				requestHandler.documentRoot,
 				'/internal/shared',
+				'/internal/symlinks',
 			]);
 		}
 

plugin-symlink

@@ -0,0 +1 @@
+packages/playground/cli/src/test/mount-examples/plugin

run-cli.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+current_dir=$(pwd)
+plugin_dir=$current_dir/packages/playground/cli/src/test/mount-examples/plugin
+symlink_dir=$current_dir/plugin-symlink
+
+# symlink plugin
+ln -s $plugin_dir $symlink_dir
+
+# run cli
+node \
+    --experimental-wasm-jspi \
+    --experimental-strip-types \
+    --experimental-transform-types \
+    --import ./packages/meta/src/node-es-module-loader/register.mts \
+    ./packages/playground/cli/src/cli.ts \
+    server \
+    --port=9400 \
+    --follow-symlinks \
+    --blueprint=$current_dir/blueprint.json \
+    --mount=$symlink_dir:/wordpress/wp-content/plugins/plugin