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Previously, releases were always made from a point in the revision history of the `main` branch (typically the tip of the branch at the time of the release). Although the simplicity of this approach is nice, it can be limiting in some cases. For this reason, the project is switching to using a "trunk-based" development strategy, as described here: https://trunkbaseddevelopment.com/ This approach allows making releases at any time that consist of the arbitrary subset of revisions suitable for shipping to the users at that time. The commits that should be included in the release are cherry-picked to a release branch and the tag created on that branch. This means that: - PRs can be merged to the `main` branch as soon as they have passed review rather than having to postpone the merge of changes that are not ready to be included in the next release. - Releases don't need to be postponed if the prior revision history on the `main` branch contains changes that are not ready to be included in the release. The documented release procedure must be adjusted to reflect the new development strategy. CI System Adjustments --------------------- The status of the GitHub Actions workflows should be evaluated before making a release. However, this is not so simple as checking the status of the commit at the tip of the release branch. The reason is that, for the sake of efficiency, the workflows are configured to run only when the processes are relevant to the trigger event (e.g., no need to run unit tests for a change to the readme). In the case of the default branch, you can simply set the workflow runs filter to that branch and then check the result of the latest run of each workflow of interest. However, that was not possible to do with the release branch since it might be that the workflow was never run in that branch. The status of the latest run of the workflow in the default branch might not match the status for the release branch if the release branch does not contain the full history. For this reason, it will be helpful to trigger all relevant workflows on the creation of a release branch. This will ensure that each of those workflows will always have at least one run in the release branch. Subsequent commits pushed to the branch can run based on their usual trigger filters and the status of the latest run of each workflow in the branch will provide an accurate indication of the state of that branch. Branches are created for purposes other than releases, most notably feature branches to stage work for a pull request. Due to the comprehensive nature of this project's CI system, it would not be convenient or efficient to fully run all CI workflows on the creation of every feature branch. Unfortunately, GitHub Actions does not support filters on the `create` event of branch creation like it does for the `push` and `pull_request` events. There is support for a `branches` filter of the `push` event, but that filter is an "AND" to the `paths` filter while this application requires an "OR". For this reason, the workflows must be triggered by the creation of any branch. The unwanted job runs are prevented by adding a `run-determination` job with the branch filter handled by Bash commands. The other jobs of the workflow use this `run-determination` job as a dependency, only running when it indicates they should via a job output. Because this minimal `run-determination` job runs very quickly, it is roughly equivalent to the workflow having been skipped entirely for non-release branch creations.
Cloud Sketchbook
Arduino IDE provides a Cloud Sketchbook feature that can be used to upload sketches to Arduino Cloud.
In order to use this feature, a user must be registered on Arduino Cloud and logged in. This feature is completely optional and can be disabled in the IDE via the "File > Advanced > Hide Cloud Sketchbook" menu item.
Developer guide
A developer could use the content of this repo to create a customized version of this feature and implement a different remote storage as follows:
1. Changing remote connection parameters in the Preferences panel (be careful while editing the Preferences panel!)
Here a screenshot of the Preferences panel
- The settings under Arduino > Auth should be edited to match the OAuth2 configuration of your custom cloud sketchbook storage
- The setting under Arduino > Sketch Sync Endpoint should be edited to point to your custom cloud sketchbook storage service
2. Implementing the Arduino Cloud Store APIs for your custom cloud sketchbook storage
Following the API Reference below:
Build the Arduino IDE with this extension
To build the Arduino IDE with this extension, run the following in a terminal. On Windows, use Git Bash.
./bootstrap.sh