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git-hooks - A tool to manage project, user, and global Git hooks for multiple git repositories.
git-hooks lets hooks be installed inside git repositories, users home directory, and globally. When a hook is called by git, git-hooks will check each of these locations for the hooks to run.
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Install
Add git-hooks to your PATH environment variable so 'git hooks' can be run.
Run 'git hooks --install' Inside a git project to change that projects git hooks to use git-hooks hooks. 'git hooks --uninstall' can be run at any time to go back to the old hooks that were installed before (typically the default which does nothing).
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Overview
Hooks can be very powerful and useful. Some common hooks include:
- Spell check the commit message.
- Check that the code builds.
- Verify that any new files contain a copyright with the current year in it.
Hooks can be very project specific such as:
- Verify that the project still builds
- Verify that autotests matching the modified files still pass with no errors.
- Pre-populate the commit message with the 'standard' format.
- Verify that any new code follows the 'standard' coding style.
or very specific to one person such as:
- Don't allow a push to a remote repository after 1am in case I break something and will be asleep.
- Don't let me commit between 9-5 for projects in ~/personal/ as I shouldn't be working on them during work hours.
For more details on the different Git hooks that can be installed checkout the online documentation at http://www.kernel.org/pub/software/scm/git/docs/githooks.html
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Locations
git-hooks provide a way to manage and share your hooks by allowing for the installation of hooks in three locations:
- User hooks that are installed in ~/.git_hooks/
- Project hooks that are installed in the git_hooks directory inside of each project.
- Global hooks that are specified with the hooks.global configuration option.
The contrib directory includes a number of useful hooks and can be set by doing the following:
git config --global hooks.global $PWD/contrib/
Multiple global hooks directories can be specified by using a space between each path.
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Creating hooks
To keep things organized git-hooks looks for scripts in sub directories named after the git hook name. For example this project has the following pre-commit script in the following location:
git_hooks/pre-commit/bsd
When you run 'git hooks' with no arguments it will list all of the hooks installed on the system. It will run the hooks with the --about argument to generate the description that is shown. Checkout the hooks in contrib for some examples.
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