electron/docs/development/releasing.md
2016-10-20 11:29:02 +09:00

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# Releasing
This document describes the process for releasing a new version of Electron.
## Compile release notes
The current process is to maintain a local file, keeping track of notable changes as pull requests are merged. For examples of how to format the notes, see previous releases on [the releases page].
## Create a temporary branch
Create a new branch from `master` named `release`.
```sh
git checkout master
git pull
git checkout -b release
```
This branch is created as a precaution to prevent any merged PRs from sneaking into a release between the time the temporary release branch is created and the CI builds are complete.
## Bump the version
Run the `bump-version` script, passing `major`, `minor`, or `patch` as an argument:
```sh
npm run bump-version -- patch
```
This will bump the version number in several files. See [this bump commit] for an example.
Most releases will be `patch` level. Upgrades to Chrome or other major changes should use `minor`. For more info, see [electron-versioning].
## Edit the release draft
1. Visit [the releases page] and you'll see a new draft release with placeholder release notes.
1. Edit the release and add release notes.
1. Click 'Save draft'. **Do not click 'Publish release'!**
1. Wait for all the builds to pass. :hourglass_flowing_sand:
## Merge temporary branch
Merge the temporary back into master, without creating a merge commit:
```sh
git merge release master --no-commit
git push origin master
```
If this fails, rebase with master and rebuild:
```sh
git pull
git checkout release
git rebase master
git push origin HEAD
```
## Run local debug build
Run local debug build to verify that you are actually building the version you want. Sometimes you thought you were doing a release for a new version, but you're actually not.
```sh
npm run build
npm start
```
Verify the window is displaying the current updated version.
## Set environment variables
You'll need to set the following environment variables to publish a release. Ask another team member for these credentials.
- `$ELECTRON_S3_BUCKET`
- `$ELECTRON_S3_ACCESS_KEY`
- `$ELECTRON_S3_SECRET_KEY`
- `$ELECTRON_GITHUB_TOKEN` - A personal access token with "repo" scope.
You will only need to do this once.
## Publish the release
This script will download the binaries and generate the node headers and the .lib linker used on Windows by node-gyp to build native modules.
```sh
npm run release
```
Note: Many distributions of Python still ship with old HTTPS certificates. You may see a `InsecureRequestWarning`, but it can be disregarded.
## Delete the temporary branch
```sh
git checkout master
git branch -D release # delete local branch
git push origin :release # delete remote branch
```
[the releases page]: https://github.com/electron/electron/releases
[this bump commit]: https://github.com/electron/electron/commit/78ec1b8f89b3886b856377a1756a51617bc33f5a
[electron-versioning]: /docs/tutorial/electron-versioning.md