Arch Linux Pacman Hooks

Arch Linux Pacman Hooks Guide

Complete beginner-friendly guide to pacman hooks on Arch Linux, including creating hooks, hook types, and common hook examples.

---

Table of Contents

1. Understanding Hooks
2. Creating Hooks
3. Hook Examples
4. Troubleshooting

---

Understanding Hooks

What are Hooks?

Pacman hooks run scripts before/after package operations.

Hook types:

• Pre-transaction
• Post-transaction
• Pre-install
• Post-install
• Pre-remove
• Post-remove

---

Creating Hooks

Hook Location

Hook directory:

# System hooks
/etc/pacman.d/hooks/

# Create hook
sudo vim /etc/pacman.d/hooks/hook-name.hook

Hook Format

Hook structure:

[Trigger]
Operation = Upgrade
Type = Package
Target = package-name

[Action]
Description = Hook description
When = PostTransaction
Exec = /path/to/script

---

Hook Examples

Update GRUB

GRUB hook:

[Trigger]
Type = Package
Operation = Upgrade
Target = linux

[Action]
Description = Updating GRUB...
When = PostTransaction
Exec = /usr/bin/grub-mkconfig -o /boot/grub/grub.cfg

Rebuild Initramfs

Initramfs hook:

[Trigger]
Type = Package
Operation = Upgrade
Target = linux

[Action]
Description = Rebuilding initramfs...
When = PostTransaction
Exec = /usr/bin/mkinitcpio -P

---

Troubleshooting

Hook Not Running

Check hooks:

# List hooks
ls /etc/pacman.d/hooks/

# Test hook
sudo pacman -Syu

---

Summary

This guide covered pacman hooks, creation, and examples.

---

Next Steps

• Arch Linux Package Management - Package management
• Arch Linux System Configuration - System setup
• ArchWiki Pacman Hooks: https://wiki.archlinux.org/title/Pacman#Hooks

---

This guide is based on the ArchWiki. For the most up-to-date information, always refer to the official ArchWiki.