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authorRex Lee <limingjiang@huawei.com>2018-07-23 09:01:16 +0000
committerGerrit Code Review <gerrit@opnfv.org>2018-07-23 09:01:16 +0000
commitda95727e2a3a9e0f816f50b40202bb231c936231 (patch)
treebd597cee57f09002f7f767284e6ee8c41740c885 /docs/testing/developer/devguide/devguide.rst
parenta2539c884c5f21925cf0533d5c9e65c8cc3488cf (diff)
parente9ca560c754a76b3f6ca9f3adaf99843d2332675 (diff)
Merge "Propose the backporting process"
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+++ b/docs/testing/developer/devguide/devguide.rst
@@ -540,6 +540,32 @@ The final step consists in pushing the newly modified commit to Gerrit::
git review
+Backporting changes to stable branches
+--------------------------------------
+During the release cycle, when master and the ``stable/<release>`` branch have
+diverged, it may be necessary to backport (cherry-pick) changes top the
+``stable/<release>`` branch once they have merged to master.
+These changes should be identified by the committers reviewing the patch.
+Changes should be backported **as soon as possible** after merging of the
+original code.
+
+..note::
+ Besides the commit and review process below, the Jira tick must be updated to
+ add dual release versions and indicate that the change is to be backported.
+
+The process for backporting is as follows:
+
+* Committer A merges a change to master (process for normal changes).
+* Committer A cherry-picks the change to ``stable/<release>`` branch (if the
+ bug has been identified for backporting).
+* The original author should review the code and verify that it still works
+ (and give a ``+1``).
+* Committer B reviews the change, gives a ``+2`` and merges to
+ ``stable/<release>``.
+
+A backported change needs a ``+1`` and a ``+2`` from a committer who didn’t
+propose the change (i.e. minimum 3 people involved).
+
Plugins
-------