Function getBinaryEnvVarPath

packages/fetch-engine/src/env.ts:24–46

(binaryName: BinaryType)

}

export function getBinaryEnvVarPath(binaryName: BinaryType): PathFromEnvValue | null {
  const envVar = getEnvVarToUse(binaryName)

  if (process.env[envVar]) {
    const envVarPath = path.resolve(process.cwd(), process.env[envVar]!)
    if (!fs.existsSync(envVarPath)) {
      throw new Error(
        `Env var ${bold(envVar)} is provided but provided path ${underline(process.env[envVar]!)} can't be resolved.`,
      )
    }
    debug(
      `Using env var ${bold(envVar)} for binary ${bold(binaryName)}, which points to ${underline(
        process.env[envVar]!,
      )}`,
    )
    return {
      path: envVarPath,
      fromEnvVar: envVar,
    }
  }

  return null
}

function getEnvVarToUse(binaryType: BinaryType): string {
  const envVar = engineEnvVarMap[binaryType]