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After a release has been branched, managing what has been cherry picked and what hasn't can be time consuming. The cherry pick tool can take a given configuration, compare the repositories specified with the issues (and revisions) in Redmine and spit out what issues and revisions do not currently exist in the given release branch. To run this, you will need to have first defined a release configuration. Once you have a configuration you can run:

./tools.rb cherry-picks <config_file>

This will, for a given release, generate a changelog based upon the Redmine issues for that release. The changelog is broken down by features and bug fixes. Within each of those major categories, the Redmine category for issues is used to create sections. Each section contains issues attached to that category along with the title of the issue, links to the issue in Redmine and the relevant commit hashes that introduced that story to the code base.

./tools changelog <config_file>

The changelog will be generated at the root of the release environment (e.g. repos/) or within a repository that is specified within the configuration having been marked as 'main'". For example:

:repos:
  :katello:
    :main: true
    :branch: KATELLO-2.1
    :repo: https://github.com/Katello/katello.git

The release configuration file maintains information about the release including redmine information, repositories, and branches. An example configuration file:

---
:project: katello
:releases:
  :2.1:
    :redmine_release_id: 14
  :2.1.1:
    :redmine_release_id: 22
:code_name: Winter Warmer
:repos:
  :katello:
    :main: true
    :branch: KATELLO-2.1
    :repo: https://github.com/Katello/katello.git
  :katello-installer:
    :branch: KATELLO-2.1
    :repo: https://github.com/Katello/katello-installer.git
  :hammer-cli-katello:
    :branch: 0.0.7
    :repo: https://github.com/Katello/hammer-cli-katello.git
  :katello.org:
    :branch: KATELLO-2.1
    :repo: https://github.com/Katello/katello.org.git
  :katello-agent:
    :branch: KATELLO-2.1
    :repo: https://github.com/Katello/katello-agent.git
:ignores:
  - 7423
  - 8265
  - 7815

The :ignores list can be a list of Redmine ticket IDs, or a hash of ticket IDs to git revisions to ignore. This allows for only certain commits on a ticket to be ignored.

:ignores:
  7423:
    - d29a748f6653bcae41272d9faa1aae61a4bcfb6e
  8265:   # ignores all revisions

The koji subcommands are designed to generate tags for different buildroot and tagging configurations that Katello supports today. The commands can generate new nightly buildroots for a given operating system and support automating the creation of buildroots when a new version is being released. See ./tools.rb koji --help for a list of sub commands and what each does.