fix: remove shell usage from plugin check (#1367)

* fix: remove shell usage from plugin check

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* fix: harden plugin symlink scan

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.github/workflows/check-plugin-structure.yml

@@ -21,13 +21,50 @@ jobs:
         uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
         with:
           script: |
-            const { execSync } = require('child_process');
             const fs = require('fs');
             const path = require('path');
 
             const pluginsDir = 'plugins';
             const errors = [];
 
+            function findSymlinks(rootDir) {
+              const symlinks = [];
+              const dirsToScan = [rootDir];
+
+              while (dirsToScan.length > 0) {
+                const currentDir = dirsToScan.pop();
+                let entries;
+
+                try {
+                  entries = fs.readdirSync(currentDir, { withFileTypes: true });
+                } catch (error) {
+                  throw new Error(`Failed to read directory "${currentDir}": ${error.message}`);
+                }
+
+                for (const entry of entries) {
+                  const entryPath = path.join(currentDir, entry.name);
+                  let stat;
+
+                  try {
+                    stat = fs.lstatSync(entryPath);
+                  } catch (error) {
+                    throw new Error(`Failed to inspect "${entryPath}": ${error.message}`);
+                  }
+
+                  if (stat.isSymbolicLink()) {
+                    symlinks.push(entryPath);
+                    continue;
+                  }
+
+                  if (stat.isDirectory()) {
+                    dirsToScan.push(entryPath);
+                  }
+                }
+              }
+
+              return symlinks;
+            }
+
             if (!fs.existsSync(pluginsDir)) {
               console.log('No plugins directory found');
               return;
@@ -63,14 +100,15 @@ jobs:
                 }
               }
 
-              // Check for symlinks anywhere in the plugin directory
+              // Check for symlinks anywhere in the plugin directory without invoking a shell
               try {
-                const allFiles = execSync(`find "${pluginPath}" -type l`, { encoding: 'utf-8' }).trim();
-                if (allFiles) {
-                  errors.push(`${pluginPath} contains symlinks:\n${allFiles}`);
+                const symlinkPaths = findSymlinks(pluginPath);
+                if (symlinkPaths.length > 0) {
+                  const formattedPaths = symlinkPaths.map(filePath => `\`${filePath}\``).join(', ');
+                  errors.push(`${pluginPath} contains symlinks: ${formattedPaths}`);
                 }
-              } catch (e) {
-                // find returns non-zero if no matches, ignore
+              } catch (error) {
+                errors.push(`Failed to inspect ${pluginPath} for symlinks: ${error.message}`);
               }
             }