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authorAlyssa Ross <hi@alyssa.is>2020-01-22 15:26:58 +0000
committerAlyssa Ross <hi@alyssa.is>2020-01-22 16:56:33 +0000
commit542f80867c380b0ac79250b6e5358dda8bc49e0d (patch)
treeaa5903f228b2f32c524a9a6e4f6dd94f8c5b869e /nixpkgs/.github
parentf69898c7d5b757342e6ab90d5fcc7c9aea9f5ff4 (diff)
parent90441b4b47fc7280de6a5bd1a228017caaa0f97f (diff)
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Merge commit '90441b4b47fc7280de6a5bd1a228017caaa0f97f'
Diffstat (limited to 'nixpkgs/.github')
-rw-r--r--nixpkgs/.github/CONTRIBUTING.md9
1 files changed, 9 insertions, 0 deletions
diff --git a/nixpkgs/.github/CONTRIBUTING.md b/nixpkgs/.github/CONTRIBUTING.md
index 706952b208db..a50a8a507de3 100644
--- a/nixpkgs/.github/CONTRIBUTING.md
+++ b/nixpkgs/.github/CONTRIBUTING.md
@@ -48,6 +48,15 @@ In addition to writing properly formatted commit messages, it's important to inc
 
 For package version upgrades and such a one-line commit message is usually sufficient.
 
+## Backporting changes
+
+To [backport a change into a release branch](https://nixos.org/nixpkgs/manual/#submitting-changes-stable-release-branches):
+
+1. Take note of the commit in which the change was introduced into `master`.
+2. Check out the target _release branch_, e.g. `release-19.09`. Do not use a _channel branch_ like `nixos-19.09` or `nixpkgs-19.09`.
+3. Use `git cherry-pick -x <original commit>`.
+4. Open your backport PR. Make sure to select the release branch (e.g. `release-19.09`) as the target branch of the PR, and link to the PR in which the original change was made to `master`.
+
 ## Reviewing contributions
 
 See the nixpkgs manual for more details on how to [Review contributions](https://nixos.org/nixpkgs/manual/#chap-reviewing-contributions).