Copied and adjusted 1.1 git workflow document

docs/internals/git-workflow.md

+Git workflow for Yii 2 contributors
+===================================
+
+So you want to contribute to Yii? Great! But to increase the chances of your changes being accepted quickly, please
+follow the following steps (the first 2 steps only need to be done the first time you contribute). If you are new to git
+and github, you might want to first check out [github help](http://help.github.com/), [learn git](http://gitref.org/)
+or learn something about [git internal data model](http://nfarina.com/post/9868516270/git-is-simpler).
+
+### 1. [Fork](http://help.github.com/fork-a-repo/) the Yii repository on github and clone your fork to your development
+environment
+
+```
+git clone git@github.com:YOUR-GITHUB-USERNAME/yii2.git
+```
+
+If you have trouble setting up GIT with GitHub in Linux, or are getting errors like "Permission Denied (publickey)",
+then you must [setup your GIT installation to work with GitHub](http://help.github.com/linux-set-up-git/)
+
+### 2. Add the main Yii repository as an additional git remote called "upstream"
+
+Change to the directory where you cloned Yii, normally, "yii". Then enter the following command:
+
+```
+git remote add upstream git://github.com/yiisoft/yii.git
+```
+
+### 3. Make sure there is an issue created for the thing you are working on.
+
+All new features and bug fixes should have an associated issue to provide a single point of reference for discussion
+and documentation. Take a few minutes to look through the existing issue list for one that matches the contribution you
+intend to make. If you find one already on the issue list, then please leave a comment on that issue indicating you
+intend to work on that item. If you do not find an existing issue matching what you intend to work on, please open a
+new issue for your item. This will allow the team to review your suggestion, and provide appropriate feedback along
+the way.
+
+> For small changes or documentation issues, you don't need to create an issue, a pull request is enough in this case.
+
+### 4. Fetch the latest code from the main Yii branch
+
+```
+git fetch upstream
+```
+
+You should start at this point for every new contribution to make sure you are working on the latest code.
+
+### 5. Create a new branch for your feature based on the current Yii master branch
+
+> That's very important since you will not be able to submit more than one pull request from your account if you'll
+  use master.
+
+Each separate bug fix or change should go in its own branch. Branch names should be descriptive and start with
+the number of the issue that your code relates to. If you aren't fixing any particular issue, just skip number.
+For example:
+
+```
+git checkout upstream/master
+git checkout -b 999-name-of-your-branch-goes-here
+```
+
+### 6. Do your magic, write your code
+
+Make sure it works :)
+
+Unit tests are always welcome. Tested and well covered code greatly simplifies the task of checking your contributions.
+Failing unit tests as issue description are also accepted.
+
+### 7. Update the CHANGELOG
+
+Edit the CHANGELOG file to include your change, you should insert this at the top of the file under the
+"Work in progress" heading, the line in the change log should look like one of the following:
+
+```
+Bug #999: a description of the bug fix (Your Name)
+Enh #999: a description of the enhancement (Your Name)
+```
+
+`#999` is the issue number that the `Bug` or `Enh` is referring to.
+The changelog should be grouped by type (`Bug`,`Enh`) and ordered by issue number.
+
+For very small fixes, e.g. typos and documentation changes, there is no need to update the CHANGELOG.
+
+### 8. Commit your changes
+
+add the files/changes you want to commit to the [staging area](http://gitref.org/basic/#add) with
+
+```
+git add path/to/my/file.php
+```
+
+You can use the `-p` option to select the changes you want to have in your commit.
+
+Commit your changes with a descriptive commit message. Make sure to mention the ticket number with `#XXX` so github will
+automatically link your commit with the ticket:
+
+```
+git commit -m "A brief description of this change which fixes #42 goes here"
+```
+
+### 9. Pull the latest Yii code from upstream into your branch
+
+```
+git pull upstream master
+```
+
+This ensures you have the latest code in your branch before you open your pull request. If there are any merge conflicts,
+you should fix them now and commit the changes again. This ensures that it's easy for the Yii team to merge your changes
+with one click.
+
+### 10. Having resolved any conflicts, push your code to github
+
+```
+git push -u origin 999-name-of-your-branch-goes-here
+```
+
+The `-u` parameter ensures that your branch will now automatically push and pull from the github branch. That means
+if you type `git push` the next time it will know where to push to.
+
+### 11. Open a [pull request](http://help.github.com/send-pull-requests/) against upstream.
+
+Go to your repository on github and click "Pull Request", choose your branch on the right and enter some more details
+in the comment box. To link the pull request to the issue put anywhere in the pull comment `#999` where 999 is the
+issue number.
+
+> Note that each pull-request should fix a single change.
+
+### 12. Someone will review your code
+
+Someone will review your code, and you might be asked to make some changes, if so go to step #6 (you don't need to open
+another pull request if your current one is still open). If your code is accepted it will be merged into the main branch
+and become part of the next Yii release. If not, don't be disheartened, different people need different features and Yii
+can't be everything to everyone, your code will still be available on github as a reference for people who need it.
+
+### 13. Cleaning it up
+
+After your code was either accepted or declined you can delete branches you've worked with from your local repository
+and `origin`.
+
+```
+git checkout master
+git branch -D 999-name-of-your-branch-goes-here
+git push origin --delete 999-name-of-your-branch-goes-here
+```
+
+### Note:
+
+To detect regressions early every merge to the Yii codebase on github will be picked up by
+[Travis CI](http://travis-ci.org) for an automated testrun. As core team doesn't wish to overtax this service,
+[`[ci skip]`](http://about.travis-ci.org/docs/user/how-to-skip-a-build/) will be included to the merge description if
+the pull request:
+
+* affect javascript, css or image files only,
+* updates the documentation,
+* modify fixed strings only (e.g. translation updates)
+
+Doing so will save travis from commencing testruns on changes that are not covered by tests in the first place.
+
+### Command overview (for advanced contributors)
+
+```
+git clone git@github.com:YOUR-GITHUB-USERNAME/yii.git
+git remote add upstream git://github.com/yiisoft/yii.github
+```
+
+```
+git fetch upstream
+git checkout upstream/master
+git checkout -b 999-name-of-your-branch-goes-here
+
+/* do your magic, update changelog if needed */
+
+git add path/to/my/file.php
+git commit -m "A brief description of this change which fixes #42 goes here"
+git pull upstream master
+git push -u origin 999-name-of-your-branch-goes-here
+```

docs/internals/git.md

-Git branches and tags
-=====================
-
-Tags
-----
-
-Each release should be tagged with v2.X.X and message "Yii 2.X.X release".
-
-Branches
---------
-
-What should be in master branch?
-Do we need another branches?
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