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@artursudnik/turborepo-purge-cache

v1.1.1

Published

A CLI tool to purge .turbo folder content based on Time-To-Live (TTL) and task cached output references

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Links

Git

Maintainers

artursudnikartursudnik

Keywords

turborepoturbocachepurgecleanupcli

Readme

@artursudnik/turborepo-purge-cache

npm version license

A CLI tool to purge .turbo folder content based on Time-To-Live (TTL) and task cached output references.

Turborepo's local cache can grow significantly over time. While Turborepo manages the cache, it doesn't always aggressively clean up old runs or unreferenced cache entries. This tool helps keep your .turbo folder lean.

Features

  • Remove old runs: Deletes JSON files in .turbo/runs older than a specified number of days.
  • Cleanup unreferenced cache: Identifies and removes cache entries in .turbo/cache that are no longer referenced by any existing run files and are older than a specified TTL.

Installation

You can run it directly using npx:

npx @artursudnik/turborepo-purge-cache [path] [options]

Or install it globally:

pnpm add -g @artursudnik/turborepo-purge-cache

Usage

It is recommended to use the Run Summaries option to keep track of cache usage. Use --summarize flag to enable it or set TURBO_RUN_SUMMARY=true environment variable.

turbo-purge-cache [path] [options]

Arguments

  • path: Path to the .turbo folder. Defaults to .turbo in the current directory.

Options

  • --runs-ttl <days>: Number of days to keep run history files. (Default: 7)
  • --cache-ttl <days>: Number of days to keep unreferenced cached tasks. (Default: 7)
  • -h, --help: Display help for command.

Example

To keep only the last 3 days of runs and immediately remove any unreferenced cache entries:

npx @artursudnik/turborepo-purge-cache --runs-ttl 3 --cache-ttl 0

How it works

  1. Runs Cleanup: It first scans the .turbo/runs directory and deletes any .json files older than --runs-ttl.
  2. Reference Collection: It then reads all remaining run files to collect all referenced cache hashes.
  3. Cache Cleanup: Finally, it scans the .turbo directory (where cache entries are stored as <hash>.tar.zst or similar, depending on turbo version, but usually it looks for directories/files that match the hash pattern) and removes those that:
    • Are NOT in the list of referenced hashes.
    • ARE older than --cache-ttl.

License

ISC