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doc: Resolving conflicts with ceph-backport.sh

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Fixes: https://tracker.ceph.com/issues/45874
Signed-off-by: Stephan Müller <smueller@suse.com>
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Stephan Müller 2020-06-04 17:36:37 +02:00
parent dda2815f46
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1 changed files with 35 additions and 10 deletions
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SubmittingPatches-backports.rst
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@ -221,7 +221,7 @@ which automates the process and takes away most of the guesswork.
The ceph-backport.sh script
^^^^^^^^^^^^^^^^^^^^^^^^^^^
Similar to the case of creating the `Backport tracker issues`_, staging the actual
Similar to the case of `creating backport tracker issues`_, staging the actual
backport PR and updating the Backport tracker issue is difficult - if not
impossible - to get right if you're doing it manually, and quickly becomes
tedious if you do it more than once in a long while.
@ -234,13 +234,19 @@ the backport branch with the cherry-picks in it.
The script is located at ``src/script/ceph-backport.sh`` in the ``master``
branch. Though there might be an older version of this script in a stable
branch, do not use it. Only use the most recent version from master.
branch, do not use it. Only use the most recent version from the master branch.
To do this from anywhere and from any branch use the following
alias that will use the most recent script in ``upstream/master`` of your
local ceph clone on every call::
This is just a bash script, so the only dependency is ``bash`` itself, but it
does need to be run in the top level of a local clone of ``ceph/ceph.git``.
A small up-front time investment is required to get the script working in your
environment. This is because the script needs to autenticate itself (i.e., as
you) in order to use the GitHub and Redmine REST API services.
alias ceph-backport="bash <(git --git-dir=$pathToCephClone/.git --no-pager show upstream/master:src/script/ceph-backport.sh)"
``ceph-backport.sh`` is just a bash script, so the only dependency is ``bash``
itself, but it does need to be run in the top level of a local clone of
``ceph/ceph.git``. A small up-front time investment is required to get the
script working in your environment. This is because the script needs to
authenticate itself (i.e., as you) in order to use the GitHub and Redmine REST
API services.
The script is self-documenting. Just run the script and proceed from there.
@ -276,6 +282,23 @@ branch naming convention for all your backporting work.) Then, run the script::
The script will see that the backport branch already exists, and use it.
Once the script hits the first cherry-pick conflict, it will no longer provide
any cherry-picking assistance, so in that case it's up to you to resolve the conflict(s)
(as described in `Conflict resolution`_) and finish cherry-picking
all of the remaining commits. Once you are satisfied that the backport is complete in
your local branch, `ceph-backport.sh` can finish the job of creating the pull request
and updating the backport tracker issue. To make that happen, just re-run the script
exactly as you did before::
ceph-backport.sh $BACKPORT_TRACKER_ID
The script will detect that it is running from a branch with the same name as the one it
would normally create on the first run and continues after the cherry-picking phase.
For a quick reference on CLI, that contains above information, you can run::
ceph-backport.sh --usage
Conflict resolution
^^^^^^^^^^^^^^^^^^^
@ -326,6 +349,8 @@ editing. If you need to add additional information to the cherry-pick commit
message, append that information below this line. Once again: do not modify the
original commit message.
If you use `ceph-backport.sh` for your backport creation (which is recommended),
read up at the end of `The ceph-backport.sh script`_ on how to continue from here.
Labelling of backport PRs
-------------------------