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# Syncing Gluster-Swift with Swift
## Create a release
Create a release in launchpad.net so that we can place the latest swift source for download. We'll place the source here, and it will allow tox in gluster-swift to download the latest code.
## Upload swift release
* Clone the git swift repo
* Go to the release tag or just use the latest
* Type the following to package the swift code:
```
$ python setup.py sdist
$ ls dist
```
* Take the file in the `dist` directory and upload it to the new release we created it on launchpad.net.
* Alternatively, if we are syncing with a Swift version which is already released, we can get the tar.gz file from Swift launchpad page and upload the same to gluster-swift launchpad.
## Setup Tox
Now that the swift source is availabe on launchpad.net, copy its link location and update tox.ini in gluster-swift with the new link.
## Update tests
This part is a little more complicated and now we need to *merge* the latest tests with ours.
[meld](http://meldmerge.org/) is a great tool to make this work easier. The 3-way comparison feature of meld comes handy to compare 3 version of same file from:
* Latest swift (say v1.13)
* Previous swift (say v1.12)
* gluster-swift (v1.12)
Files that need to be merged:
* Update unit tests
```
$ export SWIFTDIR=../swift
$ meld $SWIFTDIR/tox.ini tox.ini
$ meld $SWIFTDIR/test-requirements.txt tools/test-requires
$ meld $SWIFTDIR/requirements.txt tools/requirements.txt
$ meld $SWIFTDIR/test/unit/proxy/test_servers.py test/unit/proxy/test_server.py
$ cp $SWIFTDIR/test/unit/proxy/controllers/*.py test/unit/proxy/controllers
$ meld $SWIFTDIR/test/unit/__init__.py test/unit/__init__.py
```
* Update all the functional tests
First check if there are any new files in the swift functional test directory. If there are, copy them over.
* Remember to `git add` any new files
* Now merge the existing ones:
```
for i in $SWIFTDIR/test/functional/*.py ; do
meld $i test/functional/`basename $i`
done
```
## Update the version
If needed, update the version now in `gluster/swift/__init__.py`.
## Upload the patch
Upload the patch to Gerrit.
## Update the release in launchpad.net
Upload the gluster-swift*.tar.gz built by Jenkins to launchpad.net once the fix has been commited to the main branch.
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