docs: add TURBO_CACHE to System Environment Variables.

vercel · Nov 17, 2024 · 40d3b3e · 40d3b3e
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diff --git a/docs/repo-docs/reference/system-environment-variables.mdx b/docs/repo-docs/reference/system-environment-variables.mdx
@@ -13,6 +13,7 @@ System environment variables are always overridden by flag values provided direc
 | ------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | `TURBO_API`                                       | Set the base URL for [Remote Cache](/repo/docs/core-concepts/remote-caching).                                                                                                                                                                                                                        |
 | `TURBO_BINARY_PATH`                               | Manually set the path to the `turbo` binary. By default, `turbo` will automatically discover the binary so you should only use this in rare circumstances.                                                                                                                                           |
+| `TURBO_CACHE`                                     | Control reading and writing for cache sources. Uses the same syntax as [`--cache`](/repo/docs/reference/run#--cache-options).                                                                                                                                                                        |
 | `TURBO_CACHE_DIR`                                 | Sets the cache directory, similar to using [`--cache-dir`](/repo/docs/reference/run#--cache-dir-path) flag                                                                                                                                                                                           |
 | `TURBO_CI_VENDOR_ENV_KEY`                         | Set a prefix for environment variables that you want **excluded** from [Framework Inference](/repo/docs/crafting-your-repository/using-environment-variables#framework-inference). **NOTE**: This does not need to be set by the user and should be configured automatically by supported platforms. |
 | `TURBO_DANGEROUSLY_DISABLE_PACKAGE_MANAGER_CHECK` | Disable checking the `packageManager` field in `package.json`. You may run into [errors and unexpected caching behavior](/repo/docs/reference/run#--dangerously-disable-package-manager-check) when disabling this check. Use `true` or `1` to disable.                                              |