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Rules of Thumb

  • Every contribution is a piece of intellectual property. Please treat it with respect.
  • Preserve both the name and email address. This is the precious sustenance that nourishes our project.
  • Ensure your name and email address are there as the committer prior to pushing it to the Apache repositories.
  • Always give credit where it is due, ensure every merged commit reflects properly the individual who authored that commit.

Setting up Your Repository

Clone the canonical ASF repo using this command. The --origin option tells git to name the remote apache instead of the default, origin; this will reduce ambiguity when we later add a second remote upstream:

  git clone --origin apache https://git-wip-us.apache.org/repos/asf/incubator-corinthia.git

Add a second remote, for the GitHub repository:

  git remote add github https://github.com/apache/incubator-corinthia.git

For the GitHub remote, add an additional fetch reference which will cause every pull request to be made available as a remote branch in your workspace:

  git config --local --add remote.github.fetch '+refs/pull/*/head:refs/remotes/github/pr/*'

Finally, run git fetch --all to update from all remote repositories - you will see all the pull requests appear:

    refs/pull/98/head -> github/pr/98
    refs/pull/99/head -> github/pr/99

Merging a pull request

 Fetch the latest remote branches, which will cause a remote branch for the PR to become available to you.

   git fetch --all

 If you want to inspect the PR and/or run tests, check out the branch:

  git checkout github/pr/1234

To perform the merge, first update your master branch to the latest:

  git checkout master   git pull --rebase

Then merge and push:

  git merge --no-ff -m 'This closes #1234' github/pr/1234 git push apache master

Note that this commit message is important, as this is what will trigger the pull request to be automatically closed, and the --no-ff means that a merge commit will always be created.

Alternative options

Adding the remote reference to the contributor' s repository

Fetch the branch of the user you want to merge from

  git fetch https://github.com/user-to-merge-from/incubator-corinthia.git branch-to-merge-from

If you commonly merge from a particular user, you'll want to add their repo as a remote to make fetching branches easier.

  git remote add user-to-merge-from https://github.com/user-to-merge-from/incubator-corinthia.git

  git fetch user-to-merge-from

Merging from a patch file

Save the patch from the Github patch link (just append .patch to the pull request link to get it). This patch will keep the authorship of the commit, so we should use it instead of the diff. Apply the patch preserving the original author:

  git am pull-request-9876.patch

Additional information

  Particularly for new committers, you may find the following information useful:

 

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