forkyeah is a small tool for managing patches on an upstream git repo.

# forkyeah

The purpose of this project is to facilitate the management of forks of upstream repositories, where the fork is basically a tag or hash from upstream with a one or more patches applied to it. These patches may be stored locally, or fetched over the network for example using the diff link which GitHub supplies for each PR, or from a gist.

The configuration file is fork.yaml and looks like the following:

upstream:
repo: https://github.com/ros-controls/ros_control.git
ref: 0.13.0

fork:
repo: git@gitlab.yourcompany.com:forks/ros_control.git
branch: fork-latest
tag: fork-%Y%m%d-%H%M%S
apply:
- patch: https://github.com/ros-controls/ros_control/pull/301.diff
name: "Upstream PR 301: CompositeController template."
- patch: https://github.com/ros-controls/ros_control/commit/a65fb8cc.diff
name: "Revert a65fb8cc to resolve merge conflicts."
reverse: True
- patch: https://github.com/ros-controls/ros_control/pull/302.diff
name: "Upstream PR 302: Variadic Controller template."
- patch: http://gitlab.clearpathrobotics.com/snippets/72/raw
name: "Un-deprecate MultiInterfaceController."


The intention is that this fork.yaml config file is stored in an orphan branch of the fork repo, and that that orphan branch is the default, so that when you want to update it you simply make and commit changes (add, remove, reorder patches, or change the version used as the starting point) and then rerun:

forkyeah


The tool will handle checking out the given baseline, switching to the fork-latest branch, applying the patches, creating a new tag according to the template, and pushing everything to the defined fork repo. '

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