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Ubuntu project documentation
Ubuntu project documentation
  • How Ubuntu is made
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      • Ethos
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        • Canonical
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    • Key concepts
      • Ubuntu releases
      • Upstream and downstream
      • Supported architectures
      • Launchpad
      • Package archive
      • Package format
      • Package lifecycle
      • Version string format
      • Patches
      • Phased updates
      • DEP 3 - patch file headers
      • Debian policy
      • debian/ directory
      • Filesystem hierarchy standard
    • Process overviews
      • Release cycle
      • Freezes
      • Freeze exceptions
      • Merges & syncs
      • Transitions
      • Backports
      • Automatic package testing: autopkgtest
      • Sponsorship
      • Proposed migration
        • Failure to Build From Source (FTBFS)
        • Autopkgtest regressions
        • Issues preventing migration
        • Special migration cases
      • Stable Release Updates
      • Main Inclusion Review (MIR)
        • MIR roles and steps
        • Process states
        • MIR exception - font packages
        • MIR exception - OEM packages
        • MIR - re-reviews
        • MIR - Rust code in main
    • List of releases
  • Contributors
    • Getting started
      • Set up for Ubuntu development
      • Get the source of a package
    • Triaging bugs
      • Bug types
      • Bug status
      • Bug importance
      • Bug responses
      • Assign a bug to a package
    • QA and testing
      • Report a bug
      • Application testing
      • Manual ISO testing
      • Hardware testing
      • Upgrade testing
      • Pre-release testing
    • Debugging
      • Debug an Apport crash
    • Fixing bugs
      • Get a new upstream version
      • Extract packages
      • Install built packages
      • Fix a bug in a package
      • Build packages in a PPA
      • Build packages locally
      • Propose changes
      • Run package tests
      • Bug fixing checklist
    • Patching
      • Make changes to a package
      • Manage patches
      • Work with Debian patches
      • Commit changes
      • Submit a merge proposal
      • Dual maintenance with Salsa and git-ubuntu
    • Merging
      • Preliminary steps
      • Merge process
      • Fix the changelog
      • Upload a PPA
      • Test the new build
      • git-ubuntu merge proposal
      • Merge manually
      • Merge cheat sheet
    • New packages
      • Create a new package
      • Upload packages to a PPA
      • Request an SRU
    • Check accessibility
    • Find a sponsor
    • Request an upload
    • Request a sync
    • Contribute docs
    • Advanced tasks
      • Check publication history
      • Checking reverse dependencies
      • Review a merge proposal
      • Sponsor an upload
      • Sponsor a sync
      • Resolve a migration issue
      • +1 Maintenance
      • +1 Maintenance report template
      • Request a package removal
      • Request a freeze exception
      • MIR bug request template
      • Use MIR templates
    • Set up a mirror
      • Mirror scripts
      • Push mirroring
  • Maintainers
    • Uploader tasks
      • Sponsoring
      • How to update seeds
      • How to work with the upload queue
    • Handling MIR reviews
      • MIR reviewer's template
    • SRU tasks
      • How to review an SRU
    • Archive Admin tasks
      • NEW review
      • Remove a package
      • Package overrides
      • Priority mismatches
      • Signing bootloaders
      • Change phasing on delivering SRU updates
      • i386
      • Archive-related services
      • Check contributions to AA process and documentation
  • Who makes Ubuntu
    • Councils and Boards
      • Community Council
        • Conflict resolution
        • Code of Conduct enforcement process
      • Communications Council
      • Technical Board
      • Ubuntu Membership Board
      • Developer Membership Board
        • DMB meetings
        • DMB restaffing
        • DMB rules
    • Roles and responsibilities
      • About the uploaders role
        • Uploaders service level agreement
      • About the MIR role
        • MIR team weekly status meeting
        • MIR Service Level Objectives
      • About the SRU role
        • SRU service level agreement
      • Archive Administration
      • The Release Team
    • Ubuntu Developers
      • Ubuntu Prospective Developers
      • Ubuntu Contributing Developers
      • Per-Package Uploaders
      • Package Set uploaders
      • Delegated Developers
      • MOTU
      • SRU Developers
      • Core Developers
      • Developer Membership application process
        • DMB application knowledge requirements
        • Aspects of a good DMB application
    • Ubuntu Membership
      • Membership perks
      • Membership requirements
      • Membership application process
      • Ubuntu Member email alias
    • Specialist teams
      • The Bug Squad
      • Ubuntu Bug Control
  • Glossary
  • Staging/preview area
    • Boards index
      • Ubuntu development
      • DMB knowledge base
    • Seeds
    • Seed management
    • Germinate
    • New packages
    • The Package Archive
    • Partner archive
    • Archive Admin museum
    • Content that doesn’t belong to AA
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Contribute to this page

Patching¶

  • Make changes to a package
  • Manage patches
  • Work with Debian patches
  • Commit changes
  • Submit a merge proposal
  • Dual maintenance with Salsa and git-ubuntu
Copyright © 2025 CC-BY-SA, Canonical Ltd.
Last updated on Oct 03, 2025
Contents
  • Patching