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Fix "Unknown env config" npm warnings during rush-pnpm operations #5716

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Fix "Unknown env config" npm warnings during rush-pnpm operations #5716

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10 changes: 10 additions & 0 deletions common/changes/@microsoft/rush/fix-rush-pnpm-npm-config-warnings_2026-03-23-18-16.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
{
"changes": [
{
"packageName": "@microsoft/rush",
"comment": "Fix \"Unknown env config\" warnings from npm during rush-pnpm operations (e.g. publish) by passing pnpm configuration via CLI args instead of NPM_CONFIG_* environment variables.",
"type": "none"
}
],
"packageName": "@microsoft/rush"
}
14 changes: 9 additions & 5 deletions libraries/rush-lib/src/cli/RushPnpmCommandLineParser.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -432,12 +432,16 @@ export class RushPnpmCommandLineParser {
const rushConfiguration: RushConfiguration = this._rushConfiguration;
const workspaceFolder: string = this._subspace.getSubspaceTempFolderPath();
const pnpmEnvironmentMap: EnvironmentMap = new EnvironmentMap(process.env);
pnpmEnvironmentMap.set('NPM_CONFIG_WORKSPACE_DIR', workspaceFolder);

// Pass pnpm configuration as CLI args rather than NPM_CONFIG_* environment variables.
// Using env vars like NPM_CONFIG_STORE_DIR would cause "Unknown env config" warnings
// when pnpm internally delegates to npm (e.g. during publish operations).
const pnpmConfigArgs: string[] = [`--config.workspaceDir=${workspaceFolder}`];

if (rushConfiguration.pnpmOptions.pnpmStorePath) {
pnpmEnvironmentMap.set('NPM_CONFIG_STORE_DIR', rushConfiguration.pnpmOptions.pnpmStorePath);
pnpmEnvironmentMap.set('NPM_CONFIG_CACHE_DIR', rushConfiguration.pnpmOptions.pnpmStorePath);
pnpmEnvironmentMap.set('NPM_CONFIG_STATE_DIR', rushConfiguration.pnpmOptions.pnpmStorePath);
pnpmConfigArgs.push(`--store-dir=${rushConfiguration.pnpmOptions.pnpmStorePath}`);
pnpmConfigArgs.push(`--config.cacheDir=${rushConfiguration.pnpmOptions.pnpmStorePath}`);
pnpmConfigArgs.push(`--config.stateDir=${rushConfiguration.pnpmOptions.pnpmStorePath}`);
}

if (rushConfiguration.pnpmOptions.environmentVariables) {
Expand Down Expand Up @@ -473,7 +477,7 @@ export class RushPnpmCommandLineParser {
try {
const { exitCode } = await Utilities.executeCommandAsync({
command: rushConfiguration.packageManagerToolFilename,
args: this._pnpmArgs,
args: [...pnpmConfigArgs, ...this._pnpmArgs],
workingDirectory: process.cwd(),
environment: pnpmEnvironmentMap.toObject(),
keepEnvironment: true,
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