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---
title: Git hooks, upgraded: What's new in Git 2.54 and coming...
description: Git 2.54 introduces config-based hooks, allowing developers to define hooks at system, global, or local config levels rather than per-repository shell scripts....
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og:description: Git 2.54 introduces config-based hooks, allowing developers to define hooks at system, global, or local config levels rather than per-repository shell scripts....
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> Use this file to discover all available pages before exploring further.

# Git hooks, upgraded: What's new in Git 2.54 and coming in 2.55

**[Collabora Blog](https://daily.dev/sources/collabora)** · 6 min read · 0 upvotes · 0 comments

## Summary

Git 2.54 introduces config-based hooks, allowing developers to define hooks at system, global, or local config levels rather than per-repository shell scripts. The upcoming Git 2.55 adds opt-in parallel hook execution via a `parallel = true` flag and a `hook.jobs` knob (supporting `-1` for CPU core count), with a CLI override `git hook run -j N`. Note that some hooks like `pre-commit` cannot be parallelized due to shared resource constraints. Git 2.54 also fixes submodule path collisions — including case-insensitive filesystem collisions and security-relevant gitdir overrides — via a new `extensions.submodulePathConfig` extension and `submodule.*.gitdir` config key.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.collabora.com/news-and-blog/news-and-events/git-hooks-upgraded-whats-new-git-254-and-coming-255.html>

## Questions this post answers

### How do I define Git hooks in config files instead of .git/hooks scripts?

Git 2.54 introduces config-based hooks using `[hook "name"]` sections with `event` and `command` keys. These can be defined at system (`/etc/gitconfig`), global (`~/.gitconfig`), or local (`.git/config`) levels. For example: `[hook "linter"] event = pre-push command = ~/bin/linter --cpp20`. This replaces per-repository hook scripts and allows hooks to be managed centrally, including by sysadmins at the system level.

_Developers migrating hook management across many repos track Git config changes like these on daily.dev._

### Can Git hooks run in parallel and how do I configure that?

Parallel hook execution is opt-in and planned for Git 2.55. Add `parallel = true` to each hook config block and set `[hook] jobs = 2` (or `-1` to use all CPU cores). A per-event override `hook.*.jobs` is also supported. The CLI flag `git hook run -j N` lets you test parallelism without touching config. Hooks like `pre-commit` and `prepare-commit-msg` cannot be parallelized due to shared resource usage.

_Teams evaluating Git 2.55 for CI pipelines find the latest release details on daily.dev._

### What causes the 'refusing to create/use inside another submodule's git dir' error in Git and how is it fixed?

This error occurs when two submodule names collide at the gitdir level — for example, one named `foo` and another named `foo/bar` — or on case-insensitive filesystems where `Foo` and `foo` collide. Git 2.54 fixes this via a new `extensions.submodulePathConfig` extension that transparently encodes submodule gitdirs, and introduces `submodule.*.gitdir` as a single source of truth for submodule paths.

_Developers debugging submodule path issues in large monorepos find relevant Git release coverage on daily.dev._

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---

Tags: [#git](https://daily.dev/tags/git), [#version-control](https://daily.dev/tags/version-control)

[View this post on daily.dev](https://daily.dev/posts/git-hooks-upgraded-what-s-new-in-git-2-54-and-coming-in-2-55-ic8epa97z)

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