inline tracer-env.js

src/codeql.ts

@@ -334,14 +334,31 @@ function getCodeQLForCmd(cmd: string): CodeQL {
       ]);
     },
     getTracerEnv: async function(databasePath: string) {
-      let envFile = path.resolve(databasePath, 'working', 'env.tmp');
+      // Write tracer-env.js to a temp location. When running in CLI mode we can't rely
+      // on this file existing so we have to create it ourselves.
+      const tracerEnvJs = path.resolve(databasePath, 'working', 'tracer-env.js');
+      fs.mkdirSync(path.dirname(tracerEnvJs), {recursive: true});
+      fs.writeFileSync(tracerEnvJs, `
+        const fs = require('fs');
+        const env = {};
+        for (let entry of Object.entries(process.env)) {
+          const key = entry[0];
+          const value = entry[1];
+          if (typeof value !== 'undefined' && key !== '_' && !key.startsWith('JAVA_MAIN_CLASS_')) {
+            env[key] = value;
+          }
+        }
+        process.stdout.write(process.argv[2]);
+        fs.writeFileSync(process.argv[2], JSON.stringify(env), 'utf-8');`);
+
+      const envFile = path.resolve(databasePath, 'working', 'env.tmp');
       await exec.exec(cmd, [
         'database',
         'trace-command',
         databasePath,
         ...getExtraOptionsFromEnv(['database', 'trace-command']),
         process.execPath,
-        path.resolve(__dirname, 'tracer-env.js'),
+        tracerEnvJs,
         envFile
       ]);
       return JSON.parse(fs.readFileSync(envFile, 'utf-8'));