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# How to move a utility pkg from other kubernetes repos
It has 2 steps to move a pkg from other Kubernetes repos to `k8s.io/utils` repo:
- copy the pkg to `k8s.io/utils` repo
- update the import paths and `vendor/` in the repos that refer this pkg
## Copy the pkg to `k8s.io/utils` repo
Copying should preserve all the git history associated with it.
[Here](http://gbayer.com/development/moving-files-from-one-git-repository-to-another-preserving-history/) is a working approach.
Note: You may need to use `--allow-unrelated-histories` if you get error when running `git pull` following the post above.
Then, you may need to restructure the package to make sure it has the following structure.
.
├── doc.go # Description for this package
├── <utilname1>.go # utility go file
├── <utilname>_test.go # go unit tests
└── testing # All the testing framework
└── fake_<utilname>.go # Testing framework go file
[#5](https://github.com/kubernetes/utils/pull/5) is an example for this step.
## Update the repos that refer the pkg
You should update the import paths.
Then follow [this doc](https://github.com/kubernetes/community/blob/master/contributors/devel/godep.md) to update `vendor/` and `Godeps/`.
You may want to run `make bazel-test` to make sure all new references work.
[kubernetes/kubernetes#49234](https://github.com/kubernetes/kubernetes/pull/49234) is an example for this step.
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