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Revision as of 03:29, 18 April 2015
, 9 years ago→Resolving Merge Conflicts
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__NOTOC__
== Make sure you have git set up ==
This can be done by typing the following into your console:
git --version
If your computer doesn't have git, then follow the laptop setup guide by going to your event's home page (e.g. http://ccsf.openhatch.org/ ) and then looking for the laptop setup guide.
== Visiting the project on the web ==
Since this project is a website, we've specially configured the repository so that whenever there is a push to it, it is made visible on the web.
If your group's repository is called e.g. ''waffle-castle.github.io'', then you can see that the shared version is visible on the web at http://waffle-castle.github.io/. (This is just an example. Your group's repository name should be "schoolname-#.github.io" and its shared page should be at http://schoolname-#.github.io (for example, http://princeton-1.github.io or http://princeton-2.github.io.))
But note that any changes in your ''fork'' (your personal copy of the repo) won't show up there until the maintainer of the project merges those changes in.
== Find a task ==▼
Now, find a bug on the project's issue tracker that you will work on, and claim it by leaving a comment on the issue saying so.▼
(Before you do that, make sure to refresh the page and check that no one else has claimed it while you were reading and deciding.)▼
== To fork a project on Github ==
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== Now, clone to it to your computer ==
* On the right side, look for the clone URL directly under the settings button.
* Copy that to the clipboard
* Open a terminal
* Once you're at the direction, type into the terminal: <code>"git clone "</code> (including the spaces, but not including the quotation marks)
* Use your terminal to "paste" the URL in. (Make sure it starts with <code>https</code>; if not, you'll need to use an ssh key and most students probably won't a key already set up)▼
▲* Use your terminal to "paste" the URL in. (Make sure it starts with <code>https</code>; if not, you'll need to use an ssh key and most students probably won't have a key already set up)
* Terminal should now look something like this:
git clone https://github.com/<rest of clone url>
* Press enter to do the "<code>git clone</code>" operation.
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* Undo that change, with your editor, save, and then reload in the browser. Make sure what you see in the browser reflects that change.
▲== Find a task ==
▲Now, find a bug on the project's issue tracker that you will work on, and claim it by leaving a comment on the issue saying so.
▲(Before you do that, make sure to refresh the page and check that no one else has claimed it while you were reading and deciding.)
== Resolve the task ==
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== Commit and push ==
Make sure you're in the directory you cloned the git repository to, with a command like:
cd $your-repository-name
Once you're finished making changes, you can use the following command to get a list of files you've changed:
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== Create pull request ==
Visit your personal fork and click the "Pull requests" button on the right. This will offer you the chance to make a new pull request by clicking on "New pull request". Explain what you did, and
Now, get feedback from the project's maintainer (the mentor leading your group) and eagerly await your pull request getting merged!
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This is a special trick that we do during the Website editing with git exercise, using Github Pages. It demonstrates that when the merge happens, it can programmatically cause a different event; this is often called ''hooks''.
Sometimes your changes will not show because of caching. To get around this problem, add "/?" to the end of the url.
<div class="noprint">
== Advanced/Optional Commands ==
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git fetch $name
git merge $name/master
To update your remote personal repository, you can type:
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git merge
This should result in a conflict. There are a number of tools you can use to help visualize merge conflicts. For simple conflicts, though, I like to use a basic editor, such as nano, vim, emacs, or whatever you're most comfortable with. In basic text view, a merge conflict looks like this:▼
[[File:merge3.png]]▼
To resolve the conflict, scroll through the document until you find sections with these markings. The "
▲There are a number of tools you can use to help visualize merge conflicts. For simple conflicts, though, I like to use a basic editor, such as nano, vim, emacs, or whatever you're most comfortable with. In basic text view, a merge conflict looks like this:
▲[[File:merge3.png]]
▲To resolve the conflict, scroll through the document until you find sections with these markings. The " " line separates the two options that are in conflict. Choose which one you want to keep by deleting the other. Then delete all of the markings. Do this for each conflict and then save and exit the file.
</div>
▲Congrats! You've resolved the conflict! You can commit your changes by:
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