prek Files

Release Notes

Released on 2026-10-05.

Enhancements

• Add Nushell completion generation (#2785)
• Add ppc64le wheel and binary builds (#2809)

Performance

• Avoid JSON imports when querying Python interpreters (#2790)
• Avoid duplicate diffs after hooks rewrite files (#2815)
• Batch file reads in shebang checks (#2793)
• Check cached hook environments concurrently (#2797)
• Overlap Git discovery with worktree status checks (#2821)
• Query staged additions only for case conflicts (#2802)
• Reduce worker overhead in XML and pygrep checks (#2789)
• Reuse Git worktree state during hook startup (#2787)
• Reuse intent-to-add paths when saving unstaged changes (#2788)
• Run Git queries concurrently for case-conflict checks (#2792)
• Share Bun and Deno version queries across environments (#2795)
• Share Lua runtime probes across hook environments (#2796)
• Share Ruby version queries across hook environments (#2794)
• Share mise version queries across hook environments (#2798)
• Skip site initialization in Python interpreter probes (#2822)
• Skip untracked files in destroyed symlink checks (#2799)
• Skip unused file input for always-run hooks (#2813)

Bug fixes

• Preserve staged and unstaged changes on conflicted stash restore (#2803)
• Default missing core.fileMode in shebang checks (#2832)
• Match protected branch patterns from the start (#2829)
• Normalize explicit paths in shebang index checks (#2831)
• Preserve empty trailing-whitespace character sets (#2830)
• Reject empty files in check-json (#2826)
• Reject trailing data in check-json (#2828)
• Round up file sizes in check-added-large-files (#2827)

Documentation

• Redesign the prek badge and refresh logo details (#2818)

Contributors

• @imphil
• @j178

Install prek 0.5.5

Install prebuilt binaries via shell script

:::sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/j178/prek/releases/download/v0.5.5/prek-installer.sh | sh

Install prebuilt binaries via powershell script

:::sh
powershell -ExecutionPolicy Bypass -c "irm https://github.com/j178/prek/releases/download/v0.5.5/prek-installer.ps1 | iex"

Install prebuilt binaries via Homebrew

:::sh
brew install prek

Download prek 0.5.5

Verifying GitHub Artifact Attestations

The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI:

:::sh
gh attestation verify <file-path of downloaded artifact> --repo j178/prek

You can also download the attestation from GitHub and verify against that directly:

:::sh
gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>