Nothing but Nix

January 22, 2026

Version updated for https://github.com/wimpysworld/nothing-but-nix to version v7.

This action is used across all versions by 184 repositories.

Go to the GitHub Marketplace to find the latest changes.

Action Summary

The “Nothing but Nix” GitHub Action optimizes disk space on Ubuntu GitHub Actions runners by removing unnecessary pre-installed software, increasing available storage for the Nix package manager from ~20GB to 65GB-130GB. This action addresses storage limitations, enabling users to efficiently utilize Nix for their workflows, and it gracefully skips execution on unsupported macOS and Windows runners.

Release notes

Release v7

What’s Changed

fix: relocate TMPDIR to /mnt to improve Nix installer compatibility by @flexiondotorg in https://github.com/wimpysworld/nothing-but-nix/pull/25
POSIX-compliant lowercase by @ners in https://github.com/wimpysworld/nothing-but-nix/pull/30
post action ls fail safe by @caldetas in https://github.com/wimpysworld/nothing-but-nix/pull/34
Auto-translate README and Wiki by @openaitx-system in https://github.com/wimpysworld/nothing-but-nix/pull/37
feat(action): add graceful skip for macOS and Windows runners by @flexiondotorg in https://github.com/wimpysworld/nothing-but-nix/pull/40
fix(build): move TMPDIR to /nix for builds by @flexiondotorg in https://github.com/wimpysworld/nothing-but-nix/pull/44
build(deps): bump srz-zumix/post-run-action from 2 to 3 by @dependabot[bot] in https://github.com/wimpysworld/nothing-but-nix/pull/41
build(deps): bump actions/checkout from 4 to 6 by @dependabot[bot] in https://github.com/wimpysworld/nothing-but-nix/pull/42
build(deps): bump nixbuild/nix-quick-install-action from 30 to 34 by @dependabot[bot] in https://github.com/wimpysworld/nothing-but-nix/pull/43
fix(volume): add minimum space validation and error handling by @flexiondotorg in https://github.com/wimpysworld/nothing-but-nix/pull/45

New Contributors

@ners made their first contribution in https://github.com/wimpysworld/nothing-but-nix/pull/30
@caldetas made their first contribution in https://github.com/wimpysworld/nothing-but-nix/pull/34
@openaitx-system made their first contribution in https://github.com/wimpysworld/nothing-but-nix/pull/37
@dependabot[bot] made their first contribution in https://github.com/wimpysworld/nothing-but-nix/pull/41

Full Changelog: https://github.com/wimpysworld/nothing-but-nix/compare/v6...v7