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Minor: Add example of backporting / cherry-picking to release branch #13565

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Nov 28, 2024
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Minor: Add example of backporting / cherry-picking to release branch #13565

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Minor: Add example of backporting to release branch
alamb Nov 26, 2024
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alamb Nov 26, 2024
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12 changes: 11 additions & 1 deletion dev/release/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ Patch releases are made on an adhoc basis, but we try and avoid them given the f
- Once the PR is approved and merged, we tag the rc in the release branch, and release from the release branch
- Bug fixes can be merged to the release branch and patch releases can be created from the release branch

#### How to add changes to `branch-*` branch?
#### How to backport (add changes) to `branch-*` branch

If you would like to propose your change for inclusion in a release branch for a
patch release:
Expand All @@ -39,6 +39,16 @@ patch release:
1. Follow normal workflow to create PR to `main` branch and wait for its approval and merge.
1. After PR is squash merged to `main`, branch from most recent release branch (e.g. `branch-37`), cherry-pick the commit and create a PR targeting the release branch [example backport PR].

For example, to backport commit `12345` from `main` to `branch-43`:

```shell
git checkout branch-43
git checkout -b backport_to_43
git cherry-pick 12345
git push -u <your fork>
# make a PR as normal
```

[example release issue]: https://github.com/apache/datafusion/issues/9904
[example backport pr]: https://github.com/apache/datafusion/pull/10123

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