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VictoriaMetrics/vendor/cloud.google.com/go/RELEASING.md

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Setup from scratch

  1. Install Go.

    1. Ensure that your GOBIN directory (by default $(go env GOPATH)/bin) is in your PATH.
    2. Check it's working by running go version.
      • If it doesn't work, check the install location, usually /usr/local/go, is on your PATH.

  2. Sign one of the contributor license agreements below.

  3. Run go get golang.org/x/review/git-codereview && go install golang.org/x/review/git-codereview to install the code reviewing tool.

    1. Ensure it's working by running git codereview (check your PATH if not).

    2. If you would like, you may want to set up aliases for git-codereview, such that git codereview change becomes git change. See the godoc for details.

      • Should you run into issues with the git-codereview tool, please note that all error messages will assume that you have set up these aliases.

  4. Change to a directory of your choosing and clone the repo.

    cd ~/code
git clone https://code.googlesource.com/gocloud

    • If you have already checked out the source, make sure that the remote git origin is https://code.googlesource.com/gocloud:

      git remote -v
# ...
git remote set-url origin https://code.googlesource.com/gocloud

    • The project uses Go Modules for dependency management See gopls for making your editor work with modules.

  5. Change to the project directory and add the github remote:

    cd ~/code/gocloud
git remote add github https://github.com/googleapis/google-cloud-go

  6. Make sure your git auth is configured correctly by visiting https://code.googlesource.com, clicking "Generate Password" at the top-right, and following the directions. Otherwise, git codereview mail in the next step will fail.

Which module to release?

The Go client libraries have several modules. Each module does not strictly correspond to a single library - they correspond to trees of directories. If a file needs to be released, you must release the closest ancestor module.

To see all modules:

$ cat `find . -name go.mod` | grep module
module cloud.google.com/go
module cloud.google.com/go/bigtable
module cloud.google.com/go/firestore
module cloud.google.com/go/bigquery
module cloud.google.com/go/storage
module cloud.google.com/go/datastore
module cloud.google.com/go/pubsub
module cloud.google.com/go/spanner
module cloud.google.com/go/logging

The cloud.google.com/go is the repository root module. Each other module is a submodule.

So, if you need to release a change in bigtable/bttest/inmem.go, the closest ancestor module is cloud.google.com/go/bigtable - so you should release a new version of the cloud.google.com/go/bigtable submodule.

If you need to release a change in asset/apiv1/asset_client.go, the closest ancestor module is cloud.google.com/go - so you should release a new version of the cloud.google.com/go repository root module. Note: releasing cloud.google.com/go has no impact on any of the submodules, and vice-versa. They are released entirely independently.

How to release cloud.google.com/go

  1. Navigate to ~/code/gocloud/ and switch to master.
  2. git pull
  3. Run git tag -l | grep -v beta | grep -v alpha to see all existing releases. The current latest tag $CV is the largest tag. It should look something like vX.Y.Z (note: ignore all LIB/vX.Y.Z tags - these are tags for a specific library, not the module root). We'll call the current version $CV and the new version $NV.
  4. On master, run git log $CV... to list all the changes since the last release. NOTE: You must manually visually parse out changes to submodules [1] (the git log is going to show you things in submodules, which are not going to be part of your release).
  5. Edit CHANGES.md to include a summary of the changes.
  6. cd internal/version && go generate && cd -
  7. Mail the CL: git add -A && git change <branch name> && git mail
  8. Wait for the CL to be submitted. Once it's submitted, and without submitting any other CLs in the meantime: a. Switch to master. b. git pull c. Tag the repo with the next version: git tag $NV. d. Push the tag to both remotes: git push origin $NV git push github $NV
  9. Update the releases page with the new release, copying the contents of CHANGES.md.

How to release a submodule

We have several submodules, including cloud.google.com/go/logging, cloud.google.com/go/datastore, and so on.

To release a submodule:

(these instructions assume we're releasing cloud.google.com/go/datastore - adjust accordingly)

  1. Navigate to ~/code/gocloud/ and switch to master.
  2. git pull
  3. Run git tag -l | grep datastore | grep -v beta | grep -v alpha to see all existing releases. The current latest tag $CV is the largest tag. It should look something like datastore/vX.Y.Z. We'll call the current version $CV and the new version $NV.
  4. On master, run git log $CV.. -- datastore/ to list all the changes to the submodule directory since the last release.
  5. Edit datastore/CHANGES.md to include a summary of the changes.
  6. cd internal/version && go generate && cd -
  7. Mail the CL: git add -A && git change <branch name> && git mail
  8. Wait for the CL to be submitted. Once it's submitted, and without submitting any other CLs in the meantime: a. Switch to master. b. git pull c. Tag the repo with the next version: git tag $NV. d. Push the tag to both remotes: git push origin $NV git push github $NV
  9. Update the releases page with the new release, copying the contents of datastore/CHANGES.md.

Appendix

1: This should get better as submodule tooling matures.