Merge pull request #45503 from verb/doc-staging-copy

Automatic merge from submit-queue

Update instructions for client staging copy

Following the existing instructions results in:

```
% ./staging/copy.sh
Do not run this script directly, but via hack/update-staging-client-go.sh.
```

Also format README.md as markdown.

**What this PR does / why we need it**: Updates docs to match reality

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: 

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
pull/6/head
Kubernetes Submit Queue 2017-05-16 13:59:52 -07:00 committed by GitHub
commit cd3ad561d3
1 changed files with 16 additions and 3 deletions

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This staging/src/k8s.io/client-go directory is the staging area of the client repo. It contains a versioned client, tools built around the client like the reflector, and all the client dependencies. The content will be periodically published to k8s.io/client-go repo.
The staged content is copied from the main repo, i.e., k8s.io/kubernetes, with directory rearrangement and necessary rewritings. To sync the content with the latest code in your local k8s.io/kubernetes, you need to run `godep restore` in k8s root directory, then run staging/copy.sh.
vendor/k8s.io/client-go is a symlink pointing to this staging area, so to use the packages in the staging area, you can import it as "vendor/client-go/<package-name>", as if the client were vendored. The client will be vendored from k8s.io/client-go for real after the test matrix is converted to vendor k8s components.
This directory is the staging area for packages that have been split to their
own repository. The content here will be periodically published to respective
top-level k8s.io repositories.
Most code in the `staging/` directory is authoritative, i.e. the only copy of
the code. You can directly modify such code. However the packages in
`staging/src/k8s.io/client-go/pkg` are copied from `pkg/`. If you modify the
original code in `pkg/`, you need to run `hack/godep-restore.sh` from the k8s
root directory, followed by `hack/update-staging-client-go.sh`. We are working
towards making all code in `staging/` authoritative.
The `vendor/k8s.io` directory contains symlinks pointing to this staging area,
so to use a package in the staging area, you can import it as
`k8s.io/<package-name>`, as if the package were vendored. Packages will be
vendored from `k8s.io/<package-name>` for real after the test matrix is
converted to vendor k8s components.