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lib: pass env variables to child process on z/OS #42255

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lib: pass env variables to child process on z/OS #42255

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lib: pass env variables to child process on z/OS
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@alexcfyung @zsw007
alexcfyung authored and zsw007 committed Jul 28, 2022
commit 19d0cc3f50b84a80b70f9b01969e5a8e519e8007
26 changes: 23 additions & 3 deletions lib/child_process.js
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,8 @@ const {

const MAX_BUFFER = 1024 * 1024;

const isZOS = process.platform === 'os390';

/**
* Spawns a new Node.js process + fork.
* @param {string|URL} modulePath
Expand Down Expand Up @@ -524,6 +526,14 @@ ObjectDefineProperty(execFile, promisify.custom, {
value: customPromiseExecFunction(execFile)
});

function copyProcessEnvToEnv(env, name, optionEnv) {
if (process.env[name] &&
(!optionEnv ||
!ObjectPrototypeHasOwnProperty(optionEnv, name))) {
env[name] = process.env[name];
}
}

function normalizeSpawnArguments(file, args, options) {
validateString(file, 'file');

Expand Down Expand Up @@ -630,9 +640,19 @@ function normalizeSpawnArguments(file, args, options) {

// process.env.NODE_V8_COVERAGE always propagates, making it possible to
// collect coverage for programs that spawn with white-listed environment.
if (process.env.NODE_V8_COVERAGE &&
!ObjectPrototypeHasOwnProperty(options.env || {}, 'NODE_V8_COVERAGE')) {
env.NODE_V8_COVERAGE = process.env.NODE_V8_COVERAGE;
copyProcessEnvToEnv(env, 'NODE_V8_COVERAGE', options.env);

if (isZOS) {
// The following environment variables must always propagate if set.
copyProcessEnvToEnv(env, '_BPXK_AUTOCVT', options.env);
copyProcessEnvToEnv(env, '_CEE_RUNOPTS', options.env);
copyProcessEnvToEnv(env, '_TAG_REDIR_ERR', options.env);
copyProcessEnvToEnv(env, '_TAG_REDIR_IN', options.env);
copyProcessEnvToEnv(env, '_TAG_REDIR_OUT', options.env);
copyProcessEnvToEnv(env, 'STEPLIB', options.env);
copyProcessEnvToEnv(env, 'LIBPATH', options.env);
copyProcessEnvToEnv(env, '_EDC_SIG_DFLT', options.env);
copyProcessEnvToEnv(env, '_EDC_SUSV3', options.env);
}

let envKeys = [];
Expand Down